diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
| commit | 4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch) | |
| tree | d240e4d40357583e3f3eb228dccf20122a5b31ed /arch/sh/kernel | |
| parent | f44f82e8a20b98558486eb14497b2f71c78fa325 (diff) | |
| parent | 64a99d2a8c3ed5c4e39f3ae1cc682aa8fd3977fc (diff) | |
| download | op-kernel-dev-4fb8af10d0fd09372d52966b76922b9e82bbc950.zip op-kernel-dev-4fb8af10d0fd09372d52966b76922b9e82bbc950.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Diffstat (limited to 'arch/sh/kernel')
47 files changed, 1618 insertions, 666 deletions
diff --git a/arch/sh/kernel/.gitignore b/arch/sh/kernel/.gitignore new file mode 100644 index 0000000..c5f676c --- /dev/null +++ b/arch/sh/kernel/.gitignore @@ -0,0 +1 @@ +vmlinux.lds diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32 index 4bbdce3..0e6905f 100644 --- a/arch/sh/kernel/Makefile_32 +++ b/arch/sh/kernel/Makefile_32 @@ -21,7 +21,7 @@ obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o obj-$(CONFIG_CRASH_DUMP) += crash_dump.o obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_STACKTRACE) += stacktrace.o -obj-$(CONFIG_BINFMT_ELF) += dump_task.o +obj-$(CONFIG_ELF_CORE) += dump_task.o obj-$(CONFIG_IO_TRAPPED) += io_trapped.o EXTRA_CFLAGS += -Werror diff --git a/arch/sh/kernel/cf-enabler.c b/arch/sh/kernel/cf-enabler.c index 01ff4d0..bea4033 100644 --- a/arch/sh/kernel/cf-enabler.c +++ b/arch/sh/kernel/cf-enabler.c @@ -80,11 +80,11 @@ static int __init cf_init_default(void) } #if defined(CONFIG_SH_SOLUTION_ENGINE) -#include <asm/se.h> +#include <mach-se/mach/se.h> #elif defined(CONFIG_SH_7722_SOLUTION_ENGINE) -#include <asm/se7722.h> +#include <mach-se/mach/se7722.h> #elif defined(CONFIG_SH_7721_SOLUTION_ENGINE) -#include <asm/se7721.h> +#include <mach-se/mach/se7721.h> #endif /* @@ -157,7 +157,7 @@ static int __init cf_init_se(void) } #endif -int __init cf_init(void) +static int __init cf_init(void) { if (mach_is_se() || mach_is_7722se() || mach_is_7721se()) return cf_init_se(); diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c index b5f1e23..f5eb56e 100644 --- a/arch/sh/kernel/cpu/clock.c +++ b/arch/sh/kernel/cpu/clock.c @@ -88,7 +88,7 @@ static void propagate_rate(struct clk *clk) } } -int __clk_enable(struct clk *clk) +static int __clk_enable(struct clk *clk) { /* * See if this is the first time we're enabling the clock, some @@ -111,7 +111,6 @@ int __clk_enable(struct clk *clk) return 0; } -EXPORT_SYMBOL_GPL(__clk_enable); int clk_enable(struct clk *clk) { @@ -131,7 +130,7 @@ static void clk_kref_release(struct kref *kref) /* Nothing to do */ } -void __clk_disable(struct clk *clk) +static void __clk_disable(struct clk *clk) { int count = kref_put(&clk->kref, clk_kref_release); @@ -143,7 +142,6 @@ void __clk_disable(struct clk *clk) clk->ops->disable(clk); } } -EXPORT_SYMBOL_GPL(__clk_disable); void clk_disable(struct clk *clk) { @@ -310,15 +308,11 @@ static int show_clocks(char *buf, char **start, off_t off, list_for_each_entry_reverse(clk, &clock_list, node) { unsigned long rate = clk_get_rate(clk); - /* - * Don't bother listing dummy clocks with no ancestry - * that only support enable and disable ops. - */ - if (unlikely(!rate && !clk->parent)) - continue; - - p += sprintf(p, "%-12s\t: %ld.%02ldMHz\n", clk->name, - rate / 1000000, (rate % 1000000) / 10000); + p += sprintf(p, "%-12s\t: %ld.%02ldMHz\t%s\n", clk->name, + rate / 1000000, (rate % 1000000) / 10000, + ((clk->flags & CLK_ALWAYS_ENABLED) || + (atomic_read(&clk->kref.refcount) != 1)) ? + "enabled" : "disabled"); } return p - buf; diff --git a/arch/sh/kernel/cpu/irq/intc-sh5.c b/arch/sh/kernel/cpu/irq/intc-sh5.c index 79baa47..726f033 100644 --- a/arch/sh/kernel/cpu/irq/intc-sh5.c +++ b/arch/sh/kernel/cpu/irq/intc-sh5.c @@ -20,7 +20,7 @@ #include <linux/io.h> #include <linux/kernel.h> #include <linux/bitops.h> -#include <asm/cpu/irq.h> +#include <cpu/irq.h> #include <asm/page.h> /* diff --git a/arch/sh/kernel/cpu/irq/intc.c b/arch/sh/kernel/cpu/irq/intc.c index da5dae7..8c70e20 100644 --- a/arch/sh/kernel/cpu/irq/intc.c +++ b/arch/sh/kernel/cpu/irq/intc.c @@ -62,7 +62,7 @@ struct intc_desc_int { #endif static unsigned int intc_prio_level[NR_IRQS]; /* for now */ -#ifdef CONFIG_CPU_SH3 +#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A) static unsigned long ack_handle[NR_IRQS]; #endif @@ -231,7 +231,7 @@ static void intc_disable(unsigned int irq) } } -#ifdef CONFIG_CPU_SH3 +#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A) static void intc_mask_ack(unsigned int irq) { struct intc_desc_int *d = get_intc_desc(irq); @@ -244,8 +244,23 @@ static void intc_mask_ack(unsigned int irq) if (handle) { addr = INTC_REG(d, _INTC_ADDR_D(handle), 0); - ctrl_inb(addr); - ctrl_outb(0x3f ^ set_field(0, 1, handle), addr); + switch (_INTC_FN(handle)) { + case REG_FN_MODIFY_BASE + 0: /* 8bit */ + ctrl_inb(addr); + ctrl_outb(0xff ^ set_field(0, 1, handle), addr); + break; + case REG_FN_MODIFY_BASE + 1: /* 16bit */ + ctrl_inw(addr); + ctrl_outw(0xffff ^ set_field(0, 1, handle), addr); + break; + case REG_FN_MODIFY_BASE + 3: /* 32bit */ + ctrl_inl(addr); + ctrl_outl(0xffffffff ^ set_field(0, 1, handle), addr); + break; + default: + BUG(); + break; + } } } #endif @@ -466,7 +481,7 @@ static unsigned int __init intc_prio_data(struct intc_desc *desc, return 0; } -#ifdef CONFIG_CPU_SH3 +#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A) static unsigned int __init intc_ack_data(struct intc_desc *desc, struct intc_desc_int *d, intc_enum enum_id) @@ -601,7 +616,7 @@ static void __init intc_register_irq(struct intc_desc *desc, /* irq should be disabled by default */ d->chip.mask(irq); -#ifdef CONFIG_CPU_SH3 +#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A) if (desc->ack_regs) ack_handle[irq] = intc_ack_data(desc, d, enum_id); #endif @@ -635,7 +650,7 @@ void __init register_intc_controller(struct intc_desc *desc) d->nr_reg += desc->prio_regs ? desc->nr_prio_regs * 2 : 0; d->nr_reg += desc->sense_regs ? desc->nr_sense_regs : 0; -#ifdef CONFIG_CPU_SH3 +#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A) d->nr_reg += desc->ack_regs ? desc->nr_ack_regs : 0; #endif d->reg = alloc_bootmem(d->nr_reg * sizeof(*d->reg)); @@ -676,7 +691,7 @@ void __init register_intc_controller(struct intc_desc *desc) d->chip.mask_ack = intc_disable; d->chip.set_type = intc_set_sense; -#ifdef CONFIG_CPU_SH3 +#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A) if (desc->ack_regs) { for (i = 0; i < desc->nr_ack_regs; i++) k += save_reg(d, k, desc->ack_regs[i].set_reg, 0); diff --git a/arch/sh/kernel/cpu/sh2/entry.S b/arch/sh/kernel/cpu/sh2/entry.S index 0fc8906..becc54c45 100644 --- a/arch/sh/kernel/cpu/sh2/entry.S +++ b/arch/sh/kernel/cpu/sh2/entry.S @@ -3,7 +3,7 @@ * * The SH-2 exception entry * - * Copyright (C) 2005,2006 Yoshinori Sato + * Copyright (C) 2005-2008 Yoshinori Sato * Copyright (C) 2005 AXE,Inc. * * This file is subject to the terms and conditions of the GNU General Public @@ -14,7 +14,7 @@ #include <linux/linkage.h> #include <asm/asm-offsets.h> #include <asm/thread_info.h> -#include <asm/cpu/mmu_context.h> +#include <cpu/mmu_context.h> #include <asm/unistd.h> #include <asm/errno.h> #include <asm/page.h> @@ -36,43 +36,41 @@ OFF_TRA = (16*4+6*4) #include <asm/entry-macros.S> ENTRY(exception_handler) - ! already saved r0/r1 + ! stack + ! r0 <- point sp + ! r1 + ! pc + ! sr + ! r0 = temporary + ! r1 = vector (pseudo EXPEVT / INTEVT / TRA) mov.l r2,@-sp mov.l r3,@-sp - mov r0,r1 cli mov.l $cpu_mode,r2 mov.l @r2,r0 mov.l @(5*4,r15),r3 ! previous SR - shll2 r3 ! set "S" flag - rotl r0 ! T <- "S" flag - rotl r0 ! "S" flag is LSB - rotcr r3 ! T -> r3:b30 - shlr r3 - shlr r0 - bt/s 1f - mov.l r3,@(5*4,r15) ! copy cpu mode to SR + or r0,r3 ! set MD + tst r0,r0 + bf/s 1f ! previous mode check + mov.l r3,@(5*4,r15) ! update SR ! switch to kernel mode - mov #1,r0 - rotr r0 - rotr r0 + mov.l __md_bit,r0 mov.l r0,@r2 ! enter kernel mode mov.l $current_thread_info,r2 mov.l @r2,r2 - mov #0x20,r0 + mov #(THREAD_SIZE >> 8),r0 shll8 r0 add r2,r0 mov r15,r2 ! r2 = user stack top mov r0,r15 ! switch kernel stack - add #-4,r15 ! dummy mov.l r1,@-r15 ! TRA sts.l macl, @-r15 sts.l mach, @-r15 stc.l gbr, @-r15 - mov.l @(4*4,r2),r0 - mov.l @(5*4,r2),r1 - mov.l r1,@-r15 ! original SR + mov.l @(5*4,r2),r0 + mov.l r0,@-r15 ! original SR sts.l pr,@-r15 + mov.l @(4*4,r2),r0 mov.l r0,@-r15 ! original PC mov r2,r3 add #(4+2)*4,r3 ! rewind r0 - r3 + exception frame @@ -88,14 +86,15 @@ ENTRY(exception_handler) mov.l r6,@-r15 mov.l r5,@-r15 mov.l r4,@-r15 + mov r1,r9 ! save TRA mov r2,r8 ! copy user -> kernel stack - mov.l @r8+,r3 + mov.l @(0,r8),r3 mov.l r3,@-r15 - mov.l @r8+,r2 + mov.l @(4,r8),r2 mov.l r2,@-r15 - mov.l @r8+,r1 + mov.l @(12,r8),r1 mov.l r1,@-r15 - mov.l @r8+,r0 + mov.l @(8,r8),r0 bra 2f mov.l r0,@-r15 1: @@ -107,10 +106,11 @@ ENTRY(exception_handler) mov.l r0,@-r15 mov.l @r2+,r0 ! old R2 mov.l r0,@-r15 - mov.l @r2+,r0 ! old R1 - mov.l r0,@-r15 - mov.l @r2+,r0 ! old R0 + mov.l @(4,r2),r0 ! old R1 mov.l r0,@-r15 + mov.l @r2,r0 ! old R0 + mov.l r0,@-r15 + add #8,r2 mov.l @r2+,r3 ! old PC mov.l @r2+,r0 ! old SR add #-4,r2 ! exception frame stub (sr) @@ -135,14 +135,12 @@ ENTRY(exception_handler) mov.l r6,@-r2 mov.l r5,@-r2 mov.l r4,@-r2 + mov r1,r9 mov.l @(OFF_R0,r15),r0 mov.l @(OFF_R1,r15),r1 mov.l @(OFF_R2,r15),r2 mov.l @(OFF_R3,r15),r3 2: - mov #OFF_TRA,r8 - add r15,r8 - mov.l @r8,r9 mov #64,r8 cmp/hs r8,r9 bt interrupt_entry ! vec >= 64 is interrupt @@ -150,26 +148,14 @@ ENTRY(exception_handler) cmp/hs r8,r9 bt trap_entry ! 64 > vec >= 32 is trap -#if defined(CONFIG_SH_FPU) - mov #13,r8 - cmp/eq r8,r9 - bt 10f ! fpu - nop -#endif - mov.l 4f,r8 mov r9,r4 shll2 r9 add r9,r8 - mov.l @r8,r8 - mov #0,r9 - cmp/eq r9,r8 + mov.l @r8,r8 ! exception handler address + tst r8,r8 bf 3f mov.l 8f,r8 ! unhandled exception -#if defined(CONFIG_SH_FPU) -10: - mov.l 9f, r8 ! unhandled exception -#endif 3: mov.l 5f,r10 jmp @r8 @@ -188,10 +174,7 @@ interrupt_entry: 5: .long ret_from_exception 6: .long ret_from_irq 7: .long do_IRQ -8: .long do_exception_error -#ifdef CONFIG_SH_FPU -9: .long fpu_error_trap_handler -#endif +8: .long exception_error trap_entry: mov #0x30,r8 @@ -200,24 +183,9 @@ trap_entry: add #-0x10,r9 ! convert SH2 to SH3/4 ABI 1: shll2 r9 ! TRA - mov #OFF_TRA,r8 - add r15,r8 - mov.l r9,@r8 - mov r9,r8 -#ifdef CONFIG_TRACE_IRQFLAGS - mov.l 2f, r9 - jsr @r9 - nop -#endif - sti - bra system_call - nop + bra system_call ! jump common systemcall entry + mov r9,r8 - .align 2 -#ifdef CONFIG_TRACE_IRQFLAGS -2: .long trace_hardirqs_on -#endif - #if defined(CONFIG_SH_STANDARD_BIOS) /* Unwind the stack and jmp to the debug entry */ ENTRY(sh_bios_handler) @@ -240,7 +208,7 @@ ENTRY(sh_bios_handler) mov.l @r2,r2 stc sr,r3 mov.l r2,@r0 - mov.l r3,@r0 + mov.l r3,@(4,r0) mov.l r1,@(8,r0) mov.l @r15+, r0 mov.l @r15+, r1 @@ -272,22 +240,30 @@ ENTRY(address_error_trap_handler) mov.l 1f,r0 jmp @r0 mov #0,r5 ! writeaccess is unknown - .align 2 + .align 2 1: .long do_address_error restore_all: - cli -#ifdef CONFIG_TRACE_IRQFLAGS - mov.l 1f, r0 - jsr @r0 - nop -#endif + stc sr,r0 + or #0xf0,r0 + ldc r0,sr ! all interrupt block (same BL = 1) + ! restore special register + ! overlap exception frame + mov r15,r0 + add #17*4,r0 + lds.l @r0+,pr + add #4,r0 + ldc.l @r0+,gbr + lds.l @r0+,mach + lds.l @r0+,macl mov r15,r0 mov.l $cpu_mode,r2 mov #OFF_SR,r3 mov.l @(r0,r3),r1 - mov.l r1,@r2 + mov.l __md_bit,r3 + and r1,r3 ! copy MD bit + mov.l r3,@r2 shll2 r1 ! clear MD bit shlr2 r1 mov.l @(OFF_SP,r0),r2 @@ -297,12 +273,6 @@ restore_all: mov #OFF_PC,r3 mov.l @(r0,r3),r1 mov.l r1,@r2 ! set pc - add #4*16+4,r0 - lds.l @r0+,pr - add #4,r0 ! skip sr - ldc.l @r0+,gbr - lds.l @r0+,mach - lds.l @r0+,macl get_current_thread_info r0, r1 mov.l $current_thread_info,r1 mov.l r0,@r1 @@ -326,9 +296,8 @@ restore_all: nop .align 2 -#ifdef CONFIG_TRACE_IRQFLAGS -1: .long trace_hardirqs_off -#endif +__md_bit: + .long 0x40000000 $current_thread_info: .long __current_thread_info $cpu_mode: diff --git a/arch/sh/kernel/cpu/sh2/ex.S b/arch/sh/kernel/cpu/sh2/ex.S index 6d285af..85b0bf8 100644 --- a/arch/sh/kernel/cpu/sh2/ex.S +++ b/arch/sh/kernel/cpu/sh2/ex.S @@ -18,16 +18,17 @@ exception_entry: no = 0 .rept 256 - mov.l r0,@-sp - mov #no,r0 + mov.l r1,@-sp bra exception_trampoline - and #0xff,r0 + mov #no,r1 no = no + 1 .endr exception_trampoline: - mov.l r1,@-sp - mov.l $exception_handler,r1 - jmp @r1 + mov.l r0,@-sp + mov.l $exception_handler,r0 + extu.b r1,r1 + jmp @r0 + extu.w r1,r1 .align 2 $exception_entry: @@ -41,6 +42,6 @@ $exception_handler: ENTRY(vbr_base) vector = 0 .rept 256 - .long exception_entry + vector * 8 + .long exception_entry + vector * 6 vector = vector + 1 .endr diff --git a/arch/sh/kernel/cpu/sh2/setup-sh7619.c b/arch/sh/kernel/cpu/sh2/setup-sh7619.c index cc530f4..56e5878 100644 --- a/arch/sh/kernel/cpu/sh2/setup-sh7619.c +++ b/arch/sh/kernel/cpu/sh2/setup-sh7619.c @@ -96,8 +96,32 @@ static struct platform_device sci_device = { }, }; +static struct resource eth_resources[] = { + [0] = { + .start = 0xfb000000, + .end = 0xfb0001c8, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 85, + .end = 85, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device eth_device = { + .name = "sh-eth", + .id = -1, + .dev = { + .platform_data = (void *)1, + }, + .num_resources = ARRAY_SIZE(eth_resources), + .resource = eth_resources, +}; + static struct platform_device *sh7619_devices[] __initdata = { &sci_device, + ð_device, }; static int __init sh7619_devices_setup(void) diff --git a/arch/sh/kernel/cpu/sh2a/Makefile b/arch/sh/kernel/cpu/sh2a/Makefile index 7e2b90c..1ab1ecf 100644 --- a/arch/sh/kernel/cpu/sh2a/Makefile +++ b/arch/sh/kernel/cpu/sh2a/Makefile @@ -4,7 +4,7 @@ obj-y := common.o probe.o opcode_helper.o -common-y += $(addprefix ../sh2/, ex.o entry.o) +common-y += ex.o entry.o obj-$(CONFIG_SH_FPU) += fpu.o diff --git a/arch/sh/kernel/cpu/sh2a/entry.S b/arch/sh/kernel/cpu/sh2a/entry.S new file mode 100644 index 0000000..ab3903e --- /dev/null +++ b/arch/sh/kernel/cpu/sh2a/entry.S @@ -0,0 +1,249 @@ +/* + * arch/sh/kernel/cpu/sh2a/entry.S + * + * The SH-2A exception entry + * + * Copyright (C) 2008 Yoshinori Sato + * Based on arch/sh/kernel/cpu/sh2/entry.S + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/linkage.h> +#include <asm/asm-offsets.h> +#include <asm/thread_info.h> +#include <cpu/mmu_context.h> +#include <asm/unistd.h> +#include <asm/errno.h> +#include <asm/page.h> + +/* Offsets to the stack */ +OFF_R0 = 0 /* Return value. New ABI also arg4 */ +OFF_R1 = 4 /* New ABI: arg5 */ +OFF_R2 = 8 /* New ABI: arg6 */ +OFF_R3 = 12 /* New ABI: syscall_nr */ +OFF_R4 = 16 /* New ABI: arg0 */ +OFF_R5 = 20 /* New ABI: arg1 */ +OFF_R6 = 24 /* New ABI: arg2 */ +OFF_R7 = 28 /* New ABI: arg3 */ +OFF_SP = (15*4) +OFF_PC = (16*4) +OFF_SR = (16*4+2*4) +OFF_TRA = (16*4+6*4) + +#include <asm/entry-macros.S> + +ENTRY(exception_handler) + ! stack + ! r0 <- point sp + ! r1 + ! pc + ! sr + ! r0 = temporary + ! r1 = vector (pseudo EXPEVT / INTEVT / TRA) + mov.l r2,@-sp + cli + mov.l $cpu_mode,r2 + bld.b #6,@(0,r2) !previus SR.MD + bst.b #6,@(4*4,r15) !set cpu mode to SR.MD + bt 1f + ! switch to kernel mode + bset.b #6,@(0,r2) !set SR.MD + mov.l $current_thread_info,r2 + mov.l @r2,r2 + mov #(THREAD_SIZE >> 8),r0 + shll8 r0 + add r2,r0 ! r0 = kernel stack tail + mov r15,r2 ! r2 = user stack top + mov r0,r15 ! switch kernel stack + mov.l r1,@-r15 ! TRA + sts.l macl, @-r15 + sts.l mach, @-r15 + stc.l gbr, @-r15 + mov.l @(4*4,r2),r0 + mov.l r0,@-r15 ! original SR + sts.l pr,@-r15 + mov.l @(3*4,r2),r0 + mov.l r0,@-r15 ! original PC + mov r2,r0 + add #(3+2)*4,r0 ! rewind r0 - r3 + exception frame + lds r0,pr ! pr = original SP + movmu.l r3,@-r15 ! save regs + mov r2,r8 ! r8 = previus stack top + mov r1,r9 ! r9 = interrupt vector + ! restore previous stack + mov.l @r8+,r2 + mov.l @r8+,r0 + mov.l @r8+,r1 + bra 2f + movml.l r2,@-r15 +1: + ! in kernel exception + mov r15,r2 + add #-((OFF_TRA + 4) - OFF_PC) + 5*4,r15 + movmu.l r3,@-r15 + mov r2,r8 ! r8 = previous stack top + mov r1,r9 ! r9 = interrupt vector + ! restore exception frame & regs + mov.l @r8+,r2 ! old R2 + mov.l @r8+,r0 ! old R0 + mov.l @r8+,r1 ! old R1 + mov.l @r8+,r10 ! old PC + mov.l @r8+,r11 ! old SR + movml.l r2,@-r15 + mov.l r10,@(OFF_PC,r15) + mov.l r11,@(OFF_SR,r15) + mov.l r8,@(OFF_SP,r15) ! save old sp + mov r15,r8 + add #OFF_TRA + 4,r8 + mov.l r9,@-r8 + sts.l macl,@-r8 + sts.l mach,@-r8 + stc.l gbr,@-r8 + add #-4,r8 + sts.l pr,@-r8 +2: + ! dispatch exception / interrupt + mov #64,r8 + cmp/hs r8,r9 + bt interrupt_entry ! vec >= 64 is interrupt + mov #32,r8 + cmp/hs r8,r9 + bt trap_entry ! 64 > vec >= 32 is trap + + mov.l 4f,r8 + mov r9,r4 + shll2 r9 + add r9,r8 + mov.l @r8,r8 ! exception handler address + tst r8,r8 + bf 3f + mov.l 8f,r8 ! unhandled exception +3: + mov.l 5f,r10 + jmp @r8 + lds r10,pr + +interrupt_entry: + mov r9,r4 + mov r15,r5 + mov.l 7f,r8 + mov.l 6f,r9 + jmp @r8 + lds r9,pr + + .align 2 +4: .long exception_handling_table +5: .long ret_from_exception +6: .long ret_from_irq +7: .long do_IRQ +8: .long exception_error + +trap_entry: + mov #0x30,r8 + cmp/ge r8,r9 ! vector 0x20-0x2f is systemcall + bt 1f + add #-0x10,r9 ! convert SH2 to SH3/4 ABI +1: + shll2 r9 ! TRA + bra system_call ! jump common systemcall entry + mov r9,r8 + +#if defined(CONFIG_SH_STANDARD_BIOS) + /* Unwind the stack and jmp to the debug entry */ +ENTRY(sh_bios_handler) + mov r15,r0 + add #(22-4)*4-4,r0 + ldc.l @r0+,gbr + lds.l @r0+,mach + lds.l @r0+,macl + mov r15,r0 + mov.l @(OFF_SP,r0),r1 + mov.l @(OFF_SR,r2),r3 + mov.l r3,@-r1 + mov.l @(OFF_SP,r2),r3 + mov.l r3,@-r1 + mov r15,r0 + add #(22-4)*4-8,r0 + mov.l 1f,r2 + mov.l @r2,r2 + stc sr,r3 + mov.l r2,@r0 + mov.l r3,@(4,r0) + mov.l r1,@(8,r0) + movml.l @r15+,r14 + add #8,r15 + lds.l @r15+, pr + rte + mov.l @r15+,r15 + .align 2 +1: .long gdb_vbr_vector +#endif /* CONFIG_SH_STANDARD_BIOS */ + +ENTRY(address_error_trap_handler) + mov r15,r4 ! regs + mov.l @(OFF_PC,r15),r6 ! pc + mov.l 1f,r0 + jmp @r0 + mov #0,r5 ! writeaccess is unknown + + .align 2 +1: .long do_address_error + +restore_all: + stc sr,r0 + or #0xf0,r0 + ldc r0,sr ! all interrupt block (same BL = 1) + ! restore special register + ! overlap exception frame + mov r15,r0 + add #17*4,r0 + lds.l @r0+,pr + add #4,r0 + ldc.l @r0+,gbr + lds.l @r0+,mach + lds.l @r0+,macl + mov r15,r0 + mov.l $cpu_mode,r2 + bld.b #6,@(OFF_SR,r15) + bst.b #6,@(0,r2) ! save CPU mode + mov.l @(OFF_SR,r0),r1 + shll2 r1 + shlr2 r1 ! clear MD bit + mov.l @(OFF_SP,r0),r2 + add #-8,r2 + mov.l r2,@(OFF_SP,r0) ! point exception frame top + mov.l r1,@(4,r2) ! set sr + mov.l @(OFF_PC,r0),r1 + mov.l r1,@r2 ! set pc + get_current_thread_info r0, r1 + mov.l $current_thread_info,r1 + mov.l r0,@r1 + movml.l @r15+,r14 + mov.l @r15,r15 + rte + nop + + .align 2 +$current_thread_info: + .long __current_thread_info +$cpu_mode: + .long __cpu_mode + +! common exception handler +#include "../../entry-common.S" + + .data +! cpu operation mode +! bit30 = MD (compatible SH3/4) +__cpu_mode: + .long 0x40000000 + + .section .bss +__current_thread_info: + .long 0 + +ENTRY(exception_handling_table) + .space 4*32 diff --git a/arch/sh/kernel/cpu/sh2a/ex.S b/arch/sh/kernel/cpu/sh2a/ex.S new file mode 100644 index 0000000..3ead9e6 --- /dev/null +++ b/arch/sh/kernel/cpu/sh2a/ex.S @@ -0,0 +1,72 @@ +/* + * arch/sh/kernel/cpu/sh2a/ex.S + * + * The SH-2A exception vector table + * + * Copyright (C) 2008 Yoshinori Sato + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/linkage.h> + +! +! convert Exception Vector to Exception Number +! + +! exception no 0 to 255 +exception_entry0: +no = 0 + .rept 256 + mov.l r1,@-sp + bra exception_trampoline0 + mov #no,r1 +no = no + 1 + .endr +exception_trampoline0: + mov.l r0,@-sp + mov.l 1f,r0 + extu.b r1,r1 + jmp @r0 + extu.w r1,r1 + + .align 2 +1: .long exception_handler + +! exception no 256 to 511 +exception_entry1: +no = 0 + .rept 256 + mov.l r1,@-sp + bra exception_trampoline1 + mov #no,r1 +no = no + 1 + .endr +exception_trampoline1: + mov.l r0,@-sp + extu.b r1,r1 + movi20 #0x100,r0 + add r0,r1 + mov.l 1f,r0 + jmp @r0 + extu.w r1,r1 + + .align 2 +1: .long exception_handler + + ! +! Exception Vector Base +! + .align 2 +ENTRY(vbr_base) +vector = 0 + .rept 256 + .long exception_entry0 + vector * 6 +vector = vector + 1 + .endr + .rept 256 + .long exception_entry1 + vector * 6 +vector = vector + 1 + .endr diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index 4004073..3fe482d 100644 --- a/arch/sh/kernel/cpu/sh3/entry.S +++ b/arch/sh/kernel/cpu/sh3/entry.S @@ -14,7 +14,7 @@ #include <asm/asm-offsets.h> #include <asm/thread_info.h> #include <asm/unistd.h> -#include <asm/cpu/mmu_context.h> +#include <cpu/mmu_context.h> #include <asm/page.h> ! NOTE: diff --git a/arch/sh/kernel/cpu/sh3/ex.S b/arch/sh/kernel/cpu/sh3/ex.S index 11b6d9c..dac4297 100644 --- a/arch/sh/kernel/cpu/sh3/ex.S +++ b/arch/sh/kernel/cpu/sh3/ex.S @@ -4,7 +4,7 @@ * The SH-3 and SH-4 exception vector table. * Copyright (C) 1999, 2000, 2002 Niibe Yutaka - * Copyright (C) 2003 - 2006 Paul Mundt + * Copyright (C) 2003 - 2008 Paul Mundt * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive @@ -12,13 +12,30 @@ */ #include <linux/linkage.h> +#if !defined(CONFIG_MMU) +#define tlb_miss_load exception_error +#define tlb_miss_store exception_error +#define initial_page_write exception_error +#define tlb_protection_violation_load exception_error +#define tlb_protection_violation_store exception_error +#define address_error_load exception_error +#define address_error_store exception_error +#endif + +#if !defined(CONFIG_SH_FPU) +#define fpu_error_trap_handler exception_error +#endif + +#if !defined(CONFIG_KGDB_NMI) +#define kgdb_handle_exception exception_error +#endif + .align 2 .data ENTRY(exception_handling_table) .long exception_error /* 000 */ .long exception_error -#if defined(CONFIG_MMU) .long tlb_miss_load /* 040 */ .long tlb_miss_store .long initial_page_write @@ -26,30 +43,13 @@ ENTRY(exception_handling_table) .long tlb_protection_violation_store .long address_error_load .long address_error_store /* 100 */ -#else - .long exception_error ! tlb miss load /* 040 */ - .long exception_error ! tlb miss store - .long exception_error ! initial page write - .long exception_error ! tlb prot violation load - .long exception_error ! tlb prot violation store - .long exception_error ! address error load - .long exception_error ! address error store /* 100 */ -#endif -#if defined(CONFIG_SH_FPU) .long fpu_error_trap_handler /* 120 */ -#else - .long exception_error /* 120 */ -#endif .long exception_error /* 140 */ .long system_call ! Unconditional Trap /* 160 */ .long exception_error ! reserved_instruction (filled by trap_init) /* 180 */ .long exception_error ! illegal_slot_instruction (filled by trap_init) /*1A0*/ ENTRY(nmi_slot) -#if defined (CONFIG_KGDB_NMI) .long kgdb_handle_exception /* 1C0 */ ! Allow trap to debugger -#else - .long exception_none /* 1C0 */ ! Not implemented yet -#endif ENTRY(user_break_point_trap) .long break_point_trap /* 1E0 */ diff --git a/arch/sh/kernel/cpu/sh4/fpu.c b/arch/sh/kernel/cpu/sh4/fpu.c index 8020796..2d452f6 100644 --- a/arch/sh/kernel/cpu/sh4/fpu.c +++ b/arch/sh/kernel/cpu/sh4/fpu.c @@ -13,7 +13,7 @@ #include <linux/sched.h> #include <linux/signal.h> #include <linux/io.h> -#include <asm/cpu/fpu.h> +#include <cpu/fpu.h> #include <asm/processor.h> #include <asm/system.h> #include <asm/fpu.h> diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c index be49269..2e42572 100644 --- a/arch/sh/kernel/cpu/sh4/probe.c +++ b/arch/sh/kernel/cpu/sh4/probe.c @@ -50,14 +50,18 @@ int __init detect_cpu_and_cache_system(void) boot_cpu_data.dcache.ways = 1; boot_cpu_data.dcache.linesz = L1_CACHE_BYTES; + /* We don't know the chip cut */ + boot_cpu_data.cut_major = boot_cpu_data.cut_minor = -1; + /* * Setup some generic flags we can probe on SH-4A parts */ - if (((pvr >> 24) & 0xff) == 0x10) { + if (((pvr >> 16) & 0xff) == 0x10) { if ((cvr & 0x10000000) == 0) boot_cpu_data.flags |= CPU_HAS_DSP; boot_cpu_data.flags |= CPU_HAS_LLSC; + boot_cpu_data.cut_major = pvr & 0x7f; } /* FPU detection works for everyone */ diff --git a/arch/sh/kernel/cpu/sh4/softfloat.c b/arch/sh/kernel/cpu/sh4/softfloat.c index 7b2d337..828cb57 100644 --- a/arch/sh/kernel/cpu/sh4/softfloat.c +++ b/arch/sh/kernel/cpu/sh4/softfloat.c @@ -36,7 +36,7 @@ * and Kamel Khelifi <kamel.khelifi@st.com> */ #include <linux/kernel.h> -#include <asm/cpu/fpu.h> +#include <cpu/fpu.h> #define LIT64( a ) a##LL diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c index 9561b02..8a8a993 100644 --- a/arch/sh/kernel/cpu/sh4/sq.c +++ b/arch/sh/kernel/cpu/sh4/sq.c @@ -22,7 +22,7 @@ #include <linux/io.h> #include <asm/page.h> #include <asm/cacheflush.h> -#include <asm/cpu/sq.h> +#include <cpu/sq.h> struct sq_mapping; @@ -199,7 +199,7 @@ EXPORT_SYMBOL(sq_remap); /** * sq_unmap - Unmap a Store Queue allocation - * @map: Pre-allocated Store Queue mapping. + * @vaddr: Pre-allocated Store Queue mapping. * * Unmaps the store queue allocation @map that was previously created by * sq_remap(). Also frees up the pte that was previously inserted into diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile index a880e79..9381ad8 100644 --- a/arch/sh/kernel/cpu/sh4a/Makefile +++ b/arch/sh/kernel/cpu/sh4a/Makefile @@ -21,7 +21,7 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7763) := clock-sh7763.o clock-$(CONFIG_CPU_SUBTYPE_SH7770) := clock-sh7770.o clock-$(CONFIG_CPU_SUBTYPE_SH7780) := clock-sh7780.o clock-$(CONFIG_CPU_SUBTYPE_SH7785) := clock-sh7785.o -clock-$(CONFIG_CPU_SUBTYPE_SH7343) := clock-sh7343.o +clock-$(CONFIG_CPU_SUBTYPE_SH7343) := clock-sh7722.o clock-$(CONFIG_CPU_SUBTYPE_SH7722) := clock-sh7722.o clock-$(CONFIG_CPU_SUBTYPE_SH7723) := clock-sh7722.o clock-$(CONFIG_CPU_SUBTYPE_SH7366) := clock-sh7722.o diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c b/arch/sh/kernel/cpu/sh4a/clock-sh7343.c deleted file mode 100644 index 7adc4f1..0000000 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c +++ /dev/null @@ -1,99 +0,0 @@ -/* - * arch/sh/kernel/cpu/sh4a/clock-sh7343.c - * - * SH7343/SH7722 support for the clock framework - * - * Copyright (C) 2006 Paul Mundt - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/io.h> -#include <asm/clock.h> -#include <asm/freq.h> - -/* - * SH7343/SH7722 uses a common set of multipliers and divisors, so this - * is quite simple.. - */ -static int multipliers[] = { 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1 }; -static int divisors[] = { 1, 3, 2, 5, 3, 4, 5, 6, 8, 10, 12, 16, 20 }; - -#define pll_calc() (((ctrl_inl(FRQCR) >> 24) & 0x1f) + 1) - -static void master_clk_init(struct clk *clk) -{ - clk->parent = clk_get(NULL, "cpu_clk"); -} - -static void master_clk_recalc(struct clk *clk) -{ - int idx = (ctrl_inl(FRQCR) & 0x000f); - clk->rate *= clk->parent->rate * multipliers[idx] / divisors[idx]; -} - -static struct clk_ops sh7343_master_clk_ops = { - .init = master_clk_init, - .recalc = master_clk_recalc, -}; - -static void module_clk_init(struct clk *clk) -{ - clk->parent = NULL; - clk->rate = CONFIG_SH_PCLK_FREQ; -} - -static struct clk_ops sh7343_module_clk_ops = { - .init = module_clk_init, -}; - -static void bus_clk_init(struct clk *clk) -{ - clk->parent = clk_get(NULL, "cpu_clk"); -} - -static void bus_clk_recalc(struct clk *clk) -{ - int idx = (ctrl_inl(FRQCR) >> 8) & 0x000f; - clk->rate = clk->parent->rate * multipliers[idx] / divisors[idx]; -} - -static struct clk_ops sh7343_bus_clk_ops = { - .init = bus_clk_init, - .recalc = bus_clk_recalc, -}; - -static void cpu_clk_init(struct clk *clk) -{ - clk->parent = clk_get(NULL, "module_clk"); - clk->flags |= CLK_RATE_PROPAGATES; - clk_set_rate(clk, clk_get_rate(clk)); -} - -static void cpu_clk_recalc(struct clk *clk) -{ - int idx = (ctrl_inl(FRQCR) >> 20) & 0x000f; - clk->rate = clk->parent->rate * pll_calc() * - multipliers[idx] / divisors[idx]; -} - -static struct clk_ops sh7343_cpu_clk_ops = { - .init = cpu_clk_init, - .recalc = cpu_clk_recalc, -}; - -static struct clk_ops *sh7343_clk_ops[] = { - &sh7343_master_clk_ops, - &sh7343_module_clk_ops, - &sh7343_bus_clk_ops, - &sh7343_cpu_clk_ops, -}; - -void __init arch_init_clk_ops(struct clk_ops **ops, int idx) -{ - if (idx < ARRAY_SIZE(sh7343_clk_ops)) - *ops = sh7343_clk_ops[idx]; -} diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c index 299138e..db91385 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c @@ -1,7 +1,7 @@ /* * arch/sh/kernel/cpu/sh4a/clock-sh7722.c * - * SH7722 & SH7366 support for the clock framework + * SH7343, SH7722, SH7723 & SH7366 support for the clock framework * * Copyright (c) 2006-2007 Nomad Global Solutions Inc * Based on code for sh7343 by Paul Mundt @@ -14,6 +14,7 @@ #include <linux/kernel.h> #include <linux/io.h> #include <linux/errno.h> +#include <linux/stringify.h> #include <asm/clock.h> #include <asm/freq.h> @@ -411,40 +412,40 @@ static struct clk_ops sh7722_frqcr_clk_ops = { * clock ops methods for SIU A/B and IrDA clock * */ -static int sh7722_siu_which(struct clk *clk) + +#ifndef CONFIG_CPU_SUBTYPE_SH7343 + +static int sh7722_siu_set_rate(struct clk *clk, unsigned long rate, int algo_id) { - if (!strcmp(clk->name, "siu_a_clk")) - return 0; - if (!strcmp(clk->name, "siu_b_clk")) - return 1; -#if defined(CONFIG_CPU_SUBTYPE_SH7722) - if (!strcmp(clk->name, "irda_clk")) - return 2; -#endif - return -EINVAL; + unsigned long r; + int div; + + r = ctrl_inl(clk->arch_flags); + div = sh7722_find_divisors(clk->parent->rate, rate); + if (div < 0) + return div; + r = (r & ~0xF) | div; + ctrl_outl(r, clk->arch_flags); + return 0; } -static unsigned long sh7722_siu_regs[] = { - [0] = SCLKACR, - [1] = SCLKBCR, -#if defined(CONFIG_CPU_SUBTYPE_SH7722) - [2] = IrDACLKCR, -#endif -}; +static void sh7722_siu_recalc(struct clk *clk) +{ + unsigned long r; + + r = ctrl_inl(clk->arch_flags); + clk->rate = clk->parent->rate * 2 / divisors2[r & 0xF]; +} static int sh7722_siu_start_stop(struct clk *clk, int enable) { - int siu = sh7722_siu_which(clk); unsigned long r; - if (siu < 0) - return siu; - BUG_ON(siu > 2); - r = ctrl_inl(sh7722_siu_regs[siu]); + r = ctrl_inl(clk->arch_flags); if (enable) - ctrl_outl(r & ~(1 << 8), sh7722_siu_regs[siu]); + ctrl_outl(r & ~(1 << 8), clk->arch_flags); else - ctrl_outl(r | (1 << 8), sh7722_siu_regs[siu]); + ctrl_outl(r | (1 << 8), clk->arch_flags); return 0; } @@ -458,6 +459,15 @@ static void sh7722_siu_disable(struct clk *clk) sh7722_siu_start_stop(clk, 0); } +static struct clk_ops sh7722_siu_clk_ops = { + .recalc = sh7722_siu_recalc, + .set_rate = sh7722_siu_set_rate, + .enable = sh7722_siu_enable, + .disable = sh7722_siu_disable, +}; + +#endif /* CONFIG_CPU_SUBTYPE_SH7343 */ + static void sh7722_video_enable(struct clk *clk) { unsigned long r; @@ -494,43 +504,6 @@ static void sh7722_video_recalc(struct clk *clk) clk->rate = clk->parent->rate / ((r & 0x3F) + 1); } -static int sh7722_siu_set_rate(struct clk *clk, unsigned long rate, int algo_id) -{ - int siu = sh7722_siu_which(clk); - unsigned long r; - int div; - - if (siu < 0) - return siu; - BUG_ON(siu > 2); - r = ctrl_inl(sh7722_siu_regs[siu]); - div = sh7722_find_divisors(clk->parent->rate, rate); - if (div < 0) - return div; - r = (r & ~0xF) | div; - ctrl_outl(r, sh7722_siu_regs[siu]); - return 0; -} - -static void sh7722_siu_recalc(struct clk *clk) -{ - int siu = sh7722_siu_which(clk); - unsigned long r; - - if (siu < 0) - return /* siu */ ; - BUG_ON(siu > 2); - r = ctrl_inl(sh7722_siu_regs[siu]); - clk->rate = clk->parent->rate * 2 / divisors2[r & 0xF]; -} - -static struct clk_ops sh7722_siu_clk_ops = { - .recalc = sh7722_siu_recalc, - .set_rate = sh7722_siu_set_rate, - .enable = sh7722_siu_enable, - .disable = sh7722_siu_disable, -}; - static struct clk_ops sh7722_video_clk_ops = { .recalc = sh7722_video_recalc, .set_rate = sh7722_video_set_rate, @@ -560,6 +533,9 @@ static struct clk sh7722_sdram_clock = { .ops = &sh7722_frqcr_clk_ops, }; + +#ifndef CONFIG_CPU_SUBTYPE_SH7343 + /* * these three clocks - SIU A, SIU B, IrDA - share the same clk_ops * methods of clk_ops determine which register they should access by @@ -567,36 +543,151 @@ static struct clk sh7722_sdram_clock = { */ static struct clk sh7722_siu_a_clock = { .name = "siu_a_clk", + .arch_flags = SCLKACR, .ops = &sh7722_siu_clk_ops, }; static struct clk sh7722_siu_b_clock = { .name = "siu_b_clk", + .arch_flags = SCLKBCR, .ops = &sh7722_siu_clk_ops, }; #if defined(CONFIG_CPU_SUBTYPE_SH7722) static struct clk sh7722_irda_clock = { .name = "irda_clk", + .arch_flags = IrDACLKCR, .ops = &sh7722_siu_clk_ops, }; #endif +#endif /* CONFIG_CPU_SUBTYPE_SH7343 */ static struct clk sh7722_video_clock = { .name = "video_clk", .ops = &sh7722_video_clk_ops, }; +static int sh7722_mstpcr_start_stop(struct clk *clk, unsigned long reg, + int enable) +{ + unsigned long bit = clk->arch_flags; + unsigned long r; + + r = ctrl_inl(reg); + + if (enable) + r &= ~(1 << bit); + else + r |= (1 << bit); + + ctrl_outl(r, reg); + return 0; +} + +static void sh7722_mstpcr0_enable(struct clk *clk) +{ + sh7722_mstpcr_start_stop(clk, MSTPCR0, 1); +} + +static void sh7722_mstpcr0_disable(struct clk *clk) +{ + sh7722_mstpcr_start_stop(clk, MSTPCR0, 0); +} + +static void sh7722_mstpcr1_enable(struct clk *clk) +{ + sh7722_mstpcr_start_stop(clk, MSTPCR1, 1); +} + +static void sh7722_mstpcr1_disable(struct clk *clk) +{ + sh7722_mstpcr_start_stop(clk, MSTPCR1, 0); +} + +static void sh7722_mstpcr2_enable(struct clk *clk) +{ + sh7722_mstpcr_start_stop(clk, MSTPCR2, 1); +} + +static void sh7722_mstpcr2_disable(struct clk *clk) +{ + sh7722_mstpcr_start_stop(clk, MSTPCR2, 0); +} + +static struct clk_ops sh7722_mstpcr0_clk_ops = { + .enable = sh7722_mstpcr0_enable, + .disable = sh7722_mstpcr0_disable, +}; + +static struct clk_ops sh7722_mstpcr1_clk_ops = { + .enable = sh7722_mstpcr1_enable, + .disable = sh7722_mstpcr1_disable, +}; + +static struct clk_ops sh7722_mstpcr2_clk_ops = { + .enable = sh7722_mstpcr2_enable, + .disable = sh7722_mstpcr2_disable, +}; + +#define DECLARE_MSTPCRN(regnr, bitnr, bitstr) \ +{ \ + .name = "mstp" __stringify(regnr) bitstr, \ + .arch_flags = bitnr, \ + .ops = &sh7722_mstpcr ## regnr ## _clk_ops, \ +} + +#define DECLARE_MSTPCR(regnr) \ + DECLARE_MSTPCRN(regnr, 31, "31"), \ + DECLARE_MSTPCRN(regnr, 30, "30"), \ + DECLARE_MSTPCRN(regnr, 29, "29"), \ + DECLARE_MSTPCRN(regnr, 28, "28"), \ + DECLARE_MSTPCRN(regnr, 27, "27"), \ + DECLARE_MSTPCRN(regnr, 26, "26"), \ + DECLARE_MSTPCRN(regnr, 25, "25"), \ + DECLARE_MSTPCRN(regnr, 24, "24"), \ + DECLARE_MSTPCRN(regnr, 23, "23"), \ + DECLARE_MSTPCRN(regnr, 22, "22"), \ + DECLARE_MSTPCRN(regnr, 21, "21"), \ + DECLARE_MSTPCRN(regnr, 20, "20"), \ + DECLARE_MSTPCRN(regnr, 19, "19"), \ + DECLARE_MSTPCRN(regnr, 18, "18"), \ + DECLARE_MSTPCRN(regnr, 17, "17"), \ + DECLARE_MSTPCRN(regnr, 16, "16"), \ + DECLARE_MSTPCRN(regnr, 15, "15"), \ + DECLARE_MSTPCRN(regnr, 14, "14"), \ + DECLARE_MSTPCRN(regnr, 13, "13"), \ + DECLARE_MSTPCRN(regnr, 12, "12"), \ + DECLARE_MSTPCRN(regnr, 11, "11"), \ + DECLARE_MSTPCRN(regnr, 10, "10"), \ + DECLARE_MSTPCRN(regnr, 9, "09"), \ + DECLARE_MSTPCRN(regnr, 8, "08"), \ + DECLARE_MSTPCRN(regnr, 7, "07"), \ + DECLARE_MSTPCRN(regnr, 6, "06"), \ + DECLARE_MSTPCRN(regnr, 5, "05"), \ + DECLARE_MSTPCRN(regnr, 4, "04"), \ + DECLARE_MSTPCRN(regnr, 3, "03"), \ + DECLARE_MSTPCRN(regnr, 2, "02"), \ + DECLARE_MSTPCRN(regnr, 1, "01"), \ + DECLARE_MSTPCRN(regnr, 0, "00") + +static struct clk sh7722_mstpcr[] = { + DECLARE_MSTPCR(0), + DECLARE_MSTPCR(1), + DECLARE_MSTPCR(2), +}; + static struct clk *sh7722_clocks[] = { &sh7722_umem_clock, &sh7722_sh_clock, &sh7722_peripheral_clock, &sh7722_sdram_clock, +#ifndef CONFIG_CPU_SUBTYPE_SH7343 &sh7722_siu_a_clock, &sh7722_siu_b_clock, #if defined(CONFIG_CPU_SUBTYPE_SH7722) &sh7722_irda_clock, #endif +#endif &sh7722_video_clock, }; @@ -629,5 +720,11 @@ int __init arch_clk_init(void) clk_register(sh7722_clocks[i]); } clk_put(master); + + for (i = 0; i < ARRAY_SIZE(sh7722_mstpcr); i++) { + pr_debug( "Registering mstpcr '%s'\n", sh7722_mstpcr[i].name); + clk_register(&sh7722_mstpcr[i]); + } + return 0; } diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c index 6d4f50c..78881b4 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c @@ -11,6 +11,104 @@ #include <linux/init.h> #include <linux/serial.h> #include <linux/serial_sci.h> +#include <linux/uio_driver.h> +#include <asm/clock.h> + +static struct resource iic0_resources[] = { + [0] = { + .name = "IIC0", + .start = 0x04470000, + .end = 0x04470017, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 96, + .end = 99, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device iic0_device = { + .name = "i2c-sh_mobile", + .num_resources = ARRAY_SIZE(iic0_resources), + .resource = iic0_resources, +}; + +static struct resource iic1_resources[] = { + [0] = { + .name = "IIC1", + .start = 0x04750000, + .end = 0x04750017, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 44, + .end = 47, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device iic1_device = { + .name = "i2c-sh_mobile", + .num_resources = ARRAY_SIZE(iic1_resources), + .resource = iic1_resources, +}; + +static struct uio_info vpu_platform_data = { + .name = "VPU4", + .version = "0", + .irq = 60, +}; + +static struct resource vpu_resources[] = { + [0] = { + .name = "VPU", + .start = 0xfe900000, + .end = 0xfe9022eb, + .flags = IORESOURCE_MEM, + }, + [1] = { + /* place holder for contiguous memory */ + }, +}; + +static struct platform_device vpu_device = { + .name = "uio_pdrv_genirq", + .id = 0, + .dev = { + .platform_data = &vpu_platform_data, + }, + .resource = vpu_resources, + .num_resources = ARRAY_SIZE(vpu_resources), +}; + +static struct uio_info veu_platform_data = { + .name = "VEU", + .version = "0", + .irq = 54, +}; + +static struct resource veu_resources[] = { + [0] = { + .name = "VEU", + .start = 0xfe920000, + .end = 0xfe9200b7, + .flags = IORESOURCE_MEM, + }, + [1] = { + /* place holder for contiguous memory */ + }, +}; + +static struct platform_device veu_device = { + .name = "uio_pdrv_genirq", + .id = 1, + .dev = { + .platform_data = &veu_platform_data, + }, + .resource = veu_resources, + .num_resources = ARRAY_SIZE(veu_resources), +}; static struct plat_sci_port sci_platform_data[] = { { @@ -32,16 +130,171 @@ static struct platform_device sci_device = { }; static struct platform_device *sh7343_devices[] __initdata = { + &iic0_device, + &iic1_device, &sci_device, + &vpu_device, + &veu_device, }; static int __init sh7343_devices_setup(void) { + clk_always_enable("mstp031"); /* TLB */ + clk_always_enable("mstp030"); /* IC */ + clk_always_enable("mstp029"); /* OC */ + clk_always_enable("mstp028"); /* URAM */ + clk_always_enable("mstp026"); /* XYMEM */ + clk_always_enable("mstp023"); /* INTC3 */ + clk_always_enable("mstp022"); /* INTC */ + clk_always_enable("mstp020"); /* SuperHyway */ + clk_always_enable("mstp109"); /* I2C0 */ + clk_always_enable("mstp108"); /* I2C1 */ + clk_always_enable("mstp202"); /* VEU */ + clk_always_enable("mstp201"); /* VPU */ + + platform_resource_setup_memory(&vpu_device, "vpu", 1 << 20); + platform_resource_setup_memory(&veu_device, "veu", 2 << 20); + return platform_add_devices(sh7343_devices, ARRAY_SIZE(sh7343_devices)); } __initcall(sh7343_devices_setup); +enum { + UNUSED = 0, + + /* interrupt sources */ + IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7, + DMAC0, DMAC1, DMAC2, DMAC3, + VIO_CEUI, VIO_BEUI, VIO_VEUI, VOU, + MFI, VPU, TPU, Z3D4, USBI0, USBI1, + MMC_ERR, MMC_TRAN, MMC_FSTAT, MMC_FRDY, + DMAC4, DMAC5, DMAC_DADERR, + KEYSC, + SCIF, SCIF1, SCIF2, SCIF3, SCIF4, + SIOF0, SIOF1, SIO, + FLCTL_FLSTEI, FLCTL_FLENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I, + I2C0_ALI, I2C0_TACKI, I2C0_WAITI, I2C0_DTEI, + I2C1_ALI, I2C1_TACKI, I2C1_WAITI, I2C1_DTEI, + SIM_TEI, SIM_TXI, SIM_RXI, SIM_ERI, + IRDA, + SDHI0, SDHI1, SDHI2, SDHI3, + CMT, TSIF, SIU, + TMU0, TMU1, TMU2, + JPU, LCDC, + + /* interrupt groups */ + + DMAC0123, VIOVOU, MMC, DMAC45, FLCTL, I2C0, I2C1, SIM, SDHI, USB, +}; + +static struct intc_vect vectors[] __initdata = { + INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620), + INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660), + INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0), + INTC_VECT(IRQ6, 0x6c0), INTC_VECT(IRQ7, 0x6e0), + INTC_VECT(I2C1_ALI, 0x780), INTC_VECT(I2C1_TACKI, 0x7a0), + INTC_VECT(I2C1_WAITI, 0x7c0), INTC_VECT(I2C1_DTEI, 0x7e0), + INTC_VECT(DMAC0, 0x800), INTC_VECT(DMAC1, 0x820), + INTC_VECT(DMAC2, 0x840), INTC_VECT(DMAC3, 0x860), + INTC_VECT(VIO_CEUI, 0x880), INTC_VECT(VIO_BEUI, 0x8a0), + INTC_VECT(VIO_VEUI, 0x8c0), INTC_VECT(VOU, 0x8e0), + INTC_VECT(MFI, 0x900), INTC_VECT(VPU, 0x980), + INTC_VECT(TPU, 0x9a0), INTC_VECT(Z3D4, 0x9e0), + INTC_VECT(USBI0, 0xa20), INTC_VECT(USBI1, 0xa40), + INTC_VECT(MMC_ERR, 0xb00), INTC_VECT(MMC_TRAN, 0xb20), + INTC_VECT(MMC_FSTAT, 0xb40), INTC_VECT(MMC_FRDY, 0xb60), + INTC_VECT(DMAC4, 0xb80), INTC_VECT(DMAC5, 0xba0), + INTC_VECT(DMAC_DADERR, 0xbc0), INTC_VECT(KEYSC, 0xbe0), + INTC_VECT(SCIF, 0xc00), INTC_VECT(SCIF1, 0xc20), + INTC_VECT(SCIF2, 0xc40), INTC_VECT(SCIF3, 0xc60), + INTC_VECT(SIOF0, 0xc80), INTC_VECT(SIOF1, 0xca0), + INTC_VECT(SIO, 0xd00), + INTC_VECT(FLCTL_FLSTEI, 0xd80), INTC_VECT(FLCTL_FLENDI, 0xda0), + INTC_VECT(FLCTL_FLTREQ0I, 0xdc0), INTC_VECT(FLCTL_FLTREQ1I, 0xde0), + INTC_VECT(I2C0_ALI, 0xe00), INTC_VECT(I2C0_TACKI, 0xe20), + INTC_VECT(I2C0_WAITI, 0xe40), INTC_VECT(I2C0_DTEI, 0xe60), + INTC_VECT(SDHI0, 0xe80), INTC_VECT(SDHI1, 0xea0), + INTC_VECT(SDHI2, 0xec0), INTC_VECT(SDHI3, 0xee0), + INTC_VECT(CMT, 0xf00), INTC_VECT(TSIF, 0xf20), + INTC_VECT(SIU, 0xf80), + INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), + INTC_VECT(TMU2, 0x440), + INTC_VECT(JPU, 0x560), INTC_VECT(LCDC, 0x580), +}; + +static struct intc_group groups[] __initdata = { + INTC_GROUP(DMAC0123, DMAC0, DMAC1, DMAC2, DMAC3), + INTC_GROUP(VIOVOU, VIO_CEUI, VIO_BEUI, VIO_VEUI, VOU), + INTC_GROUP(MMC, MMC_FRDY, MMC_FSTAT, MMC_TRAN, MMC_ERR), + INTC_GROUP(DMAC45, DMAC4, DMAC5, DMAC_DADERR), + INTC_GROUP(FLCTL, FLCTL_FLSTEI, FLCTL_FLENDI, + FLCTL_FLTREQ0I, FLCTL_FLTREQ1I), + INTC_GROUP(I2C0, I2C0_ALI, I2C0_TACKI, I2C0_WAITI, I2C0_DTEI), + INTC_GROUP(I2C1, I2C1_ALI, I2C1_TACKI, I2C1_WAITI, I2C1_DTEI), + INTC_GROUP(SIM, SIM_TEI, SIM_TXI, SIM_RXI, SIM_ERI), + INTC_GROUP(SDHI, SDHI0, SDHI1, SDHI2, SDHI3), + INTC_GROUP(USB, USBI0, USBI1), +}; + +static struct intc_mask_reg mask_registers[] __initdata = { + { 0xa4080084, 0xa40800c4, 8, /* IMR1 / IMCR1 */ + { VOU, VIO_VEUI, VIO_BEUI, VIO_CEUI, DMAC3, DMAC2, DMAC1, DMAC0 } }, + { 0xa4080088, 0xa40800c8, 8, /* IMR2 / IMCR2 */ + { 0, 0, 0, VPU, 0, 0, 0, MFI } }, + { 0xa408008c, 0xa40800cc, 8, /* IMR3 / IMCR3 */ + { SIM_TEI, SIM_TXI, SIM_RXI, SIM_ERI, 0, 0, 0, IRDA } }, + { 0xa4080090, 0xa40800d0, 8, /* IMR4 / IMCR4 */ + { 0, TMU2, TMU1, TMU0, JPU, 0, 0, LCDC } }, + { 0xa4080094, 0xa40800d4, 8, /* IMR5 / IMCR5 */ + { KEYSC, DMAC_DADERR, DMAC5, DMAC4, SCIF3, SCIF2, SCIF1, SCIF } }, + { 0xa4080098, 0xa40800d8, 8, /* IMR6 / IMCR6 */ + { 0, 0, 0, SIO, Z3D4, 0, SIOF1, SIOF0 } }, + { 0xa408009c, 0xa40800dc, 8, /* IMR7 / IMCR7 */ + { I2C0_DTEI, I2C0_WAITI, I2C0_TACKI, I2C0_ALI, + FLCTL_FLTREQ1I, FLCTL_FLTREQ0I, FLCTL_FLENDI, FLCTL_FLSTEI } }, + { 0xa40800a0, 0xa40800e0, 8, /* IMR8 / IMCR8 */ + { SDHI3, SDHI2, SDHI1, SDHI0, 0, 0, 0, SIU } }, + { 0xa40800a4, 0xa40800e4, 8, /* IMR9 / IMCR9 */ + { 0, 0, 0, CMT, 0, USBI1, USBI0 } }, + { 0xa40800a8, 0xa40800e8, 8, /* IMR10 / IMCR10 */ + { MMC_FRDY, MMC_FSTAT, MMC_TRAN, MMC_ERR } }, + { 0xa40800ac, 0xa40800ec, 8, /* IMR11 / IMCR11 */ + { I2C1_DTEI, I2C1_WAITI, I2C1_TACKI, I2C1_ALI, TPU, 0, 0, TSIF } }, + { 0xa4140044, 0xa4140064, 8, /* INTMSK00 / INTMSKCLR00 */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static struct intc_prio_reg prio_registers[] __initdata = { + { 0xa4080000, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2 } }, + { 0xa4080004, 0, 16, 4, /* IPRB */ { JPU, LCDC, SIM } }, + { 0xa4080010, 0, 16, 4, /* IPRE */ { DMAC0123, VIOVOU, MFI, VPU } }, + { 0xa4080014, 0, 16, 4, /* IPRF */ { KEYSC, DMAC45, USB, CMT } }, + { 0xa4080018, 0, 16, 4, /* IPRG */ { SCIF, SCIF1, SCIF2, SCIF3 } }, + { 0xa408001c, 0, 16, 4, /* IPRH */ { SIOF0, SIOF1, FLCTL, I2C0 } }, + { 0xa4080020, 0, 16, 4, /* IPRI */ { SIO, 0, TSIF, I2C1 } }, + { 0xa4080024, 0, 16, 4, /* IPRJ */ { Z3D4, 0, SIU } }, + { 0xa4080028, 0, 16, 4, /* IPRK */ { 0, MMC, 0, SDHI } }, + { 0xa408002c, 0, 16, 4, /* IPRL */ { 0, 0, TPU } }, + { 0xa4140010, 0, 32, 4, /* INTPRI00 */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static struct intc_sense_reg sense_registers[] __initdata = { + { 0xa414001c, 16, 2, /* ICR1 */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static struct intc_mask_reg ack_registers[] __initdata = { + { 0xa4140024, 0, 8, /* INTREQ00 */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static DECLARE_INTC_DESC_ACK(intc_desc, "sh7343", vectors, groups, + mask_registers, prio_registers, sense_registers, + ack_registers); + void __init plat_irq_setup(void) { + register_intc_controller(&intc_desc); } diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c index f26b5cd..6851dba 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c @@ -13,6 +13,112 @@ #include <linux/init.h> #include <linux/serial.h> #include <linux/serial_sci.h> +#include <linux/uio_driver.h> +#include <asm/clock.h> + +static struct resource iic_resources[] = { + [0] = { + .name = "IIC", + .start = 0x04470000, + .end = 0x04470017, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 96, + .end = 99, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device iic_device = { + .name = "i2c-sh_mobile", + .num_resources = ARRAY_SIZE(iic_resources), + .resource = iic_resources, +}; + +static struct uio_info vpu_platform_data = { + .name = "VPU5", + .version = "0", + .irq = 60, +}; + +static struct resource vpu_resources[] = { + [0] = { + .name = "VPU", + .start = 0xfe900000, + .end = 0xfe902807, + .flags = IORESOURCE_MEM, + }, + [1] = { + /* place holder for contiguous memory */ + }, +}; + +static struct platform_device vpu_device = { + .name = "uio_pdrv_genirq", + .id = 0, + .dev = { + .platform_data = &vpu_platform_data, + }, + .resource = vpu_resources, + .num_resources = ARRAY_SIZE(vpu_resources), +}; + +static struct uio_info veu0_platform_data = { + .name = "VEU", + .version = "0", + .irq = 54, +}; + +static struct resource veu0_resources[] = { + [0] = { + .name = "VEU(1)", + .start = 0xfe920000, + .end = 0xfe9200b7, + .flags = IORESOURCE_MEM, + }, + [1] = { + /* place holder for contiguous memory */ + }, +}; + +static struct platform_device veu0_device = { + .name = "uio_pdrv_genirq", + .id = 1, + .dev = { + .platform_data = &veu0_platform_data, + }, + .resource = veu0_resources, + .num_resources = ARRAY_SIZE(veu0_resources), +}; + +static struct uio_info veu1_platform_data = { + .name = "VEU", + .version = "0", + .irq = 27, +}; + +static struct resource veu1_resources[] = { + [0] = { + .name = "VEU(2)", + .start = 0xfe924000, + .end = 0xfe9240b7, + .flags = IORESOURCE_MEM, + }, + [1] = { + /* place holder for contiguous memory */ + }, +}; + +static struct platform_device veu1_device = { + .name = "uio_pdrv_genirq", + .id = 2, + .dev = { + .platform_data = &veu1_platform_data, + }, + .resource = veu1_resources, + .num_resources = ARRAY_SIZE(veu1_resources), +}; static struct plat_sci_port sci_platform_data[] = { { @@ -34,11 +140,32 @@ static struct platform_device sci_device = { }; static struct platform_device *sh7366_devices[] __initdata = { + &iic_device, &sci_device, + &vpu_device, + &veu0_device, + &veu1_device, }; static int __init sh7366_devices_setup(void) { + clk_always_enable("mstp031"); /* TLB */ + clk_always_enable("mstp030"); /* IC */ + clk_always_enable("mstp029"); /* OC */ + clk_always_enable("mstp028"); /* RSMEM */ + clk_always_enable("mstp026"); /* XYMEM */ + clk_always_enable("mstp023"); /* INTC3 */ + clk_always_enable("mstp022"); /* INTC */ + clk_always_enable("mstp020"); /* SuperHyway */ + clk_always_enable("mstp109"); /* I2C */ + clk_always_enable("mstp207"); /* VEU-2 */ + clk_always_enable("mstp202"); /* VEU-1 */ + clk_always_enable("mstp201"); /* VPU */ + + platform_resource_setup_memory(&vpu_device, "vpu", 2 << 20); + platform_resource_setup_memory(&veu0_device, "veu0", 2 << 20); + platform_resource_setup_memory(&veu1_device, "veu1", 2 << 20); + return platform_add_devices(sh7366_devices, ARRAY_SIZE(sh7366_devices)); } @@ -97,7 +224,7 @@ static struct intc_vect vectors[] __initdata = { INTC_VECT(SIU, 0xf80), INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), INTC_VECT(TMU2, 0x440), - INTC_VECT(VEU2, 0x580), INTC_VECT(LCDC, 0x580), + INTC_VECT(VEU2, 0x560), INTC_VECT(LCDC, 0x580), }; static struct intc_group groups[] __initdata = { @@ -163,8 +290,14 @@ static struct intc_sense_reg sense_registers[] __initdata = { { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, }; -static DECLARE_INTC_DESC(intc_desc, "sh7366", vectors, groups, - mask_registers, prio_registers, sense_registers); +static struct intc_mask_reg ack_registers[] __initdata = { + { 0xa4140024, 0, 8, /* INTREQ00 */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static DECLARE_INTC_DESC_ACK(intc_desc, "sh7366", vectors, groups, + mask_registers, prio_registers, sense_registers, + ack_registers); void __init plat_irq_setup(void) { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c index 62ebccf..de1ede9 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c @@ -12,6 +12,8 @@ #include <linux/serial.h> #include <linux/serial_sci.h> #include <linux/mm.h> +#include <linux/uio_driver.h> +#include <asm/clock.h> #include <asm/mmzone.h> static struct resource usbf_resources[] = { @@ -59,6 +61,62 @@ static struct platform_device iic_device = { .resource = iic_resources, }; +static struct uio_info vpu_platform_data = { + .name = "VPU4", + .version = "0", + .irq = 60, +}; + +static struct resource vpu_resources[] = { + [0] = { + .name = "VPU", + .start = 0xfe900000, + .end = 0xfe9022eb, + .flags = IORESOURCE_MEM, + }, + [1] = { + /* place holder for contiguous memory */ + }, +}; + +static struct platform_device vpu_device = { + .name = "uio_pdrv_genirq", + .id = 0, + .dev = { + .platform_data = &vpu_platform_data, + }, + .resource = vpu_resources, + .num_resources = ARRAY_SIZE(vpu_resources), +}; + +static struct uio_info veu_platform_data = { + .name = "VEU", + .version = "0", + .irq = 54, +}; + +static struct resource veu_resources[] = { + [0] = { + .name = "VEU", + .start = 0xfe920000, + .end = 0xfe9200b7, + .flags = IORESOURCE_MEM, + }, + [1] = { + /* place holder for contiguous memory */ + }, +}; + +static struct platform_device veu_device = { + .name = "uio_pdrv_genirq", + .id = 1, + .dev = { + .platform_data = &veu_platform_data, + }, + .resource = veu_resources, + .num_resources = ARRAY_SIZE(veu_resources), +}; + static struct plat_sci_port sci_platform_data[] = { { .mapbase = 0xffe00000, @@ -95,10 +153,27 @@ static struct platform_device *sh7722_devices[] __initdata = { &usbf_device, &iic_device, &sci_device, + &vpu_device, + &veu_device, }; static int __init sh7722_devices_setup(void) { + clk_always_enable("mstp031"); /* TLB */ + clk_always_enable("mstp030"); /* IC */ + clk_always_enable("mstp029"); /* OC */ + clk_always_enable("mstp028"); /* URAM */ + clk_always_enable("mstp026"); /* XYMEM */ + clk_always_enable("mstp022"); /* INTC */ + clk_always_enable("mstp020"); /* SuperHyway */ + clk_always_enable("mstp109"); /* I2C */ + clk_always_enable("mstp211"); /* USB */ + clk_always_enable("mstp202"); /* VEU */ + clk_always_enable("mstp201"); /* VPU */ + + platform_resource_setup_memory(&vpu_device, "vpu", 1 << 20); + platform_resource_setup_memory(&veu_device, "veu", 2 << 20); + return platform_add_devices(sh7722_devices, ARRAY_SIZE(sh7722_devices)); } @@ -229,8 +304,14 @@ static struct intc_sense_reg sense_registers[] __initdata = { { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, }; -static DECLARE_INTC_DESC(intc_desc, "sh7722", vectors, groups, - mask_registers, prio_registers, sense_registers); +static struct intc_mask_reg ack_registers[] __initdata = { + { 0xa4140024, 0, 8, /* INTREQ00 */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static DECLARE_INTC_DESC_ACK(intc_desc, "sh7722", vectors, groups, + mask_registers, prio_registers, sense_registers, + ack_registers); void __init plat_irq_setup(void) { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c index a0470f2..cd6baff 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c @@ -12,8 +12,94 @@ #include <linux/serial.h> #include <linux/mm.h> #include <linux/serial_sci.h> +#include <linux/uio_driver.h> +#include <asm/clock.h> #include <asm/mmzone.h> +static struct uio_info vpu_platform_data = { + .name = "VPU5", + .version = "0", + .irq = 60, +}; + +static struct resource vpu_resources[] = { + [0] = { + .name = "VPU", + .start = 0xfe900000, + .end = 0xfe902807, + .flags = IORESOURCE_MEM, + }, + [1] = { + /* place holder for contiguous memory */ + }, +}; + +static struct platform_device vpu_device = { + .name = "uio_pdrv_genirq", + .id = 0, + .dev = { + .platform_data = &vpu_platform_data, + }, + .resource = vpu_resources, + .num_resources = ARRAY_SIZE(vpu_resources), +}; + +static struct uio_info veu0_platform_data = { + .name = "VEU", + .version = "0", + .irq = 54, +}; + +static struct resource veu0_resources[] = { + [0] = { + .name = "VEU2H0", + .start = 0xfe920000, + .end = 0xfe92027b, + .flags = IORESOURCE_MEM, + }, + [1] = { + /* place holder for contiguous memory */ + }, +}; + +static struct platform_device veu0_device = { + .name = "uio_pdrv_genirq", + .id = 1, + .dev = { + .platform_data = &veu0_platform_data, + }, + .resource = veu0_resources, + .num_resources = ARRAY_SIZE(veu0_resources), +}; + +static struct uio_info veu1_platform_data = { + .name = "VEU", + .version = "0", + .irq = 27, +}; + +static struct resource veu1_resources[] = { + [0] = { + .name = "VEU2H1", + .start = 0xfe924000, + .end = 0xfe92427b, + .flags = IORESOURCE_MEM, + }, + [1] = { + /* place holder for contiguous memory */ + }, +}; + +static struct platform_device veu1_device = { + .name = "uio_pdrv_genirq", + .id = 2, + .dev = { + .platform_data = &veu1_platform_data, + }, + .resource = veu1_resources, + .num_resources = ARRAY_SIZE(veu1_resources), +}; + static struct plat_sci_port sci_platform_data[] = { { .mapbase = 0xffe00000, @@ -113,14 +199,56 @@ static struct platform_device sh7723_usb_host_device = { .resource = sh7723_usb_host_resources, }; +static struct resource iic_resources[] = { + [0] = { + .name = "IIC", + .start = 0x04470000, + .end = 0x04470017, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 96, + .end = 99, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device iic_device = { + .name = "i2c-sh_mobile", + .num_resources = ARRAY_SIZE(iic_resources), + .resource = iic_resources, +}; + static struct platform_device *sh7723_devices[] __initdata = { &sci_device, &rtc_device, + &iic_device, &sh7723_usb_host_device, + &vpu_device, + &veu0_device, + &veu1_device, }; static int __init sh7723_devices_setup(void) { + clk_always_enable("mstp031"); /* TLB */ + clk_always_enable("mstp030"); /* IC */ + clk_always_enable("mstp029"); /* OC */ + clk_always_enable("mstp024"); /* FPU */ + clk_always_enable("mstp022"); /* INTC */ + clk_always_enable("mstp020"); /* SuperHyway */ + clk_always_enable("mstp000"); /* MERAM */ + clk_always_enable("mstp109"); /* I2C */ + clk_always_enable("mstp108"); /* RTC */ + clk_always_enable("mstp211"); /* USB */ + clk_always_enable("mstp206"); /* VEU2H1 */ + clk_always_enable("mstp202"); /* VEU2H0 */ + clk_always_enable("mstp201"); /* VPU */ + + platform_resource_setup_memory(&vpu_device, "vpu", 2 << 20); + platform_resource_setup_memory(&veu0_device, "veu0", 2 << 20); + platform_resource_setup_memory(&veu1_device, "veu1", 2 << 20); + return platform_add_devices(sh7723_devices, ARRAY_SIZE(sh7723_devices)); } @@ -326,8 +454,14 @@ static struct intc_sense_reg sense_registers[] __initdata = { { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, }; -static DECLARE_INTC_DESC(intc_desc, "sh7723", vectors, groups, - mask_registers, prio_registers, sense_registers); +static struct intc_mask_reg ack_registers[] __initdata = { + { 0xa4140024, 0, 8, /* INTREQ00 */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static DECLARE_INTC_DESC_ACK(intc_desc, "sh7723", vectors, groups, + mask_registers, prio_registers, sense_registers, + ack_registers); void __init plat_irq_setup(void) { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c index f189a55..3c5b629 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c @@ -3,6 +3,7 @@ * * Copyright (C) 2006 Paul Mundt * Copyright (C) 2007 Yoshihiro Shimoda + * Copyright (C) 2008 Nobuhiro Iwamatsu * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive @@ -56,6 +57,11 @@ static struct plat_sci_port sci_platform_data[] = { .type = PORT_SCIF, .irqs = { 76, 77, 79, 78 }, }, { + .mapbase = 0xffe10000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 104, 105, 107, 106 }, + }, { .flags = 0, } }; @@ -208,8 +214,8 @@ static struct intc_vect vectors[] __initdata = { INTC_VECT(TMU5, 0xe40), INTC_VECT(ADC, 0xe60), INTC_VECT(SSI0, 0xe80), INTC_VECT(SSI1, 0xea0), INTC_VECT(SSI2, 0xec0), INTC_VECT(SSI3, 0xee0), - INTC_VECT(SCIF1_ERI, 0xf00), INTC_VECT(SCIF1_RXI, 0xf20), - INTC_VECT(SCIF1_BRI, 0xf40), INTC_VECT(SCIF1_TXI, 0xf60), + INTC_VECT(SCIF2_ERI, 0xf00), INTC_VECT(SCIF2_RXI, 0xf20), + INTC_VECT(SCIF2_BRI, 0xf40), INTC_VECT(SCIF2_TXI, 0xf60), INTC_VECT(GPIO_CH0, 0xf80), INTC_VECT(GPIO_CH1, 0xfa0), INTC_VECT(GPIO_CH2, 0xfc0), INTC_VECT(GPIO_CH3, 0xfe0), }; @@ -290,9 +296,14 @@ static struct intc_sense_reg irq_sense_registers[] __initdata = { IRQ4, IRQ5, IRQ6, IRQ7 } }, }; -static DECLARE_INTC_DESC(intc_irq_desc, "sh7763-irq", irq_vectors, - NULL, irq_mask_registers, irq_prio_registers, - irq_sense_registers); +static struct intc_mask_reg irq_ack_registers[] __initdata = { + { 0xffd00024, 0, 32, /* INTREQ */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7763-irq", irq_vectors, + NULL, irq_mask_registers, irq_prio_registers, + irq_sense_registers, irq_ack_registers); /* External interrupt pins in IRL mode */ diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c index 18dbbe2..fb8200c 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c @@ -217,9 +217,14 @@ static struct intc_sense_reg irq_sense_registers[] __initdata = { IRQ4, IRQ5, IRQ6, IRQ7 } }, }; -static DECLARE_INTC_DESC(intc_irq_desc, "sh7780-irq", irq_vectors, - NULL, irq_mask_registers, irq_prio_registers, - irq_sense_registers); +static struct intc_mask_reg irq_ack_registers[] __initdata = { + { 0xffd00024, 0, 32, /* INTREQ */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7780-irq", irq_vectors, + NULL, irq_mask_registers, irq_prio_registers, + irq_sense_registers, irq_ack_registers); /* External interrupt pins in IRL mode */ diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c index 621e732..30baa63 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c @@ -238,13 +238,18 @@ static struct intc_sense_reg sense_registers[] __initdata = { IRQ4, IRQ5, IRQ6, IRQ7 } }, }; -static DECLARE_INTC_DESC(intc_desc_irq0123, "sh7785-irq0123", vectors_irq0123, - NULL, mask_registers, prio_registers, - sense_registers); +static struct intc_mask_reg ack_registers[] __initdata = { + { 0xffd00024, 0, 32, /* INTREQ */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static DECLARE_INTC_DESC_ACK(intc_desc_irq0123, "sh7785-irq0123", + vectors_irq0123, NULL, mask_registers, + prio_registers, sense_registers, ack_registers); -static DECLARE_INTC_DESC(intc_desc_irq4567, "sh7785-irq4567", vectors_irq4567, - NULL, mask_registers, prio_registers, - sense_registers); +static DECLARE_INTC_DESC_ACK(intc_desc_irq4567, "sh7785-irq4567", + vectors_irq4567, NULL, mask_registers, + prio_registers, sense_registers, ack_registers); /* External interrupt pins in IRL mode */ diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S index 05372ed..04c7da9 100644 --- a/arch/sh/kernel/cpu/sh5/entry.S +++ b/arch/sh/kernel/cpu/sh5/entry.S @@ -11,7 +11,7 @@ */ #include <linux/errno.h> #include <linux/sys.h> -#include <asm/cpu/registers.h> +#include <cpu/registers.h> #include <asm/processor.h> #include <asm/unistd.h> #include <asm/thread_info.h> @@ -987,11 +987,11 @@ work_resched: work_notifysig: gettr tr1, LINK - movi do_signal, r6 + movi do_notify_resume, r6 ptabs r6, tr0 or SP, ZERO, r2 - or ZERO, ZERO, r3 - blink tr0, LINK /* Call do_signal(regs, 0), return here */ + or r7, ZERO, r3 + blink tr0, LINK /* Call do_notify_resume(regs, current_thread_info->flags), return here */ restore_all: /* Do prefetches */ @@ -1300,18 +1300,20 @@ syscall_allowed: getcon KCR0, r2 ld.l r2, TI_FLAGS, r4 - movi (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | _TIF_SYSCALL_AUDIT), r6 + movi _TIF_WORK_SYSCALL_MASK, r6 and r6, r4, r6 beq/l r6, ZERO, tr0 /* Trace it by calling syscall_trace before and after */ - movi syscall_trace, r4 + movi do_syscall_trace_enter, r4 or SP, ZERO, r2 - or ZERO, ZERO, r3 ptabs r4, tr0 blink tr0, LINK - /* Reload syscall number as r5 is trashed by syscall_trace */ + /* Save the retval */ + st.q SP, FRAME_R(2), r2 + + /* Reload syscall number as r5 is trashed by do_syscall_trace_enter */ ld.q SP, FRAME_S(FSYSCALL_ID), r5 andi r5, 0x1ff, r5 @@ -1343,9 +1345,8 @@ syscall_ret_trace: /* We get back here only if under trace */ st.q SP, FRAME_R(9), r2 /* Save return value */ - movi syscall_trace, LINK + movi do_syscall_trace_leave, LINK or SP, ZERO, r2 - movi 1, r3 ptabs LINK, tr0 blink tr0, LINK diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S index 718bd23..0bc17de 100644 --- a/arch/sh/kernel/entry-common.S +++ b/arch/sh/kernel/entry-common.S @@ -192,7 +192,7 @@ work_resched: .align 2 1: .long schedule 2: .long do_notify_resume -3: .long restore_all +3: .long resume_userspace #ifdef CONFIG_TRACE_IRQFLAGS 4: .long trace_hardirqs_on 5: .long trace_hardirqs_off @@ -202,7 +202,7 @@ work_resched: syscall_exit_work: ! r0: current_thread_info->flags ! r8: current_thread_info - tst #_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | _TIF_SYSCALL_AUDIT, r0 + tst #_TIF_WORK_SYSCALL_MASK, r0 bt/s work_pending tst #_TIF_NEED_RESCHED, r0 #ifdef CONFIG_TRACE_IRQFLAGS @@ -211,10 +211,8 @@ syscall_exit_work: nop #endif sti - ! XXX setup arguments... mov r15, r4 - mov #1, r5 - mov.l 4f, r0 ! do_syscall_trace + mov.l 8f, r0 ! do_syscall_trace_leave jsr @r0 nop bra resume_userspace @@ -223,12 +221,11 @@ syscall_exit_work: .align 2 syscall_trace_entry: ! Yes it is traced. - ! XXX setup arguments... mov r15, r4 - mov #0, r5 - mov.l 4f, r11 ! Call do_syscall_trace which notifies + mov.l 7f, r11 ! Call do_syscall_trace_enter which notifies jsr @r11 ! superior (will chomp R[0-7]) nop + mov.l r0, @(OFF_R0,r15) ! Save return value ! Reload R0-R4 from kernel stack, where the ! parent may have modified them using ! ptrace(POKEUSR). (Note that R0-R2 are @@ -351,7 +348,7 @@ ENTRY(system_call) ! get_current_thread_info r8, r10 mov.l @(TI_FLAGS,r8), r8 - mov #(_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT), r10 + mov #_TIF_WORK_SYSCALL_MASK, r10 tst r10, r8 bf syscall_trace_entry ! @@ -389,8 +386,9 @@ syscall_exit: #endif 2: .long NR_syscalls 3: .long sys_call_table -4: .long do_syscall_trace #ifdef CONFIG_TRACE_IRQFLAGS 5: .long trace_hardirqs_on 6: .long trace_hardirqs_off #endif +7: .long do_syscall_trace_enter +8: .long do_syscall_trace_leave diff --git a/arch/sh/kernel/head_64.S b/arch/sh/kernel/head_64.S index f42d4c0..7ccfb99 100644 --- a/arch/sh/kernel/head_64.S +++ b/arch/sh/kernel/head_64.S @@ -11,8 +11,8 @@ #include <asm/page.h> #include <asm/cache.h> #include <asm/tlb.h> -#include <asm/cpu/registers.h> -#include <asm/cpu/mmu_context.h> +#include <cpu/registers.h> +#include <cpu/mmu_context.h> #include <asm/thread_info.h> /* diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c index a2a99e4..64b7690 100644 --- a/arch/sh/kernel/irq.c +++ b/arch/sh/kernel/irq.c @@ -15,7 +15,7 @@ #include <asm/machvec.h> #include <asm/uaccess.h> #include <asm/thread_info.h> -#include <asm/cpu/mmu_context.h> +#include <cpu/mmu_context.h> atomic_t irq_err_count; diff --git a/arch/sh/kernel/machine_kexec.c b/arch/sh/kernel/machine_kexec.c index ec1eadc..4703dff 100644 --- a/arch/sh/kernel/machine_kexec.c +++ b/arch/sh/kernel/machine_kexec.c @@ -13,6 +13,7 @@ #include <linux/kexec.h> #include <linux/delay.h> #include <linux/reboot.h> +#include <linux/numa.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> #include <asm/mmu_context.h> @@ -104,3 +105,10 @@ void machine_kexec(struct kimage *image) (*rnk)(page_list, reboot_code_buffer, image->start, vbr_reg); } +void arch_crash_save_vmcoreinfo(void) +{ +#ifdef CONFIG_NUMA + VMCOREINFO_SYMBOL(node_data); + VMCOREINFO_LENGTH(node_data, MAX_NUMNODES); +#endif +} diff --git a/arch/sh/kernel/module.c b/arch/sh/kernel/module.c index 5482e65..c430810 100644 --- a/arch/sh/kernel/module.c +++ b/arch/sh/kernel/module.c @@ -27,6 +27,7 @@ #include <linux/moduleloader.h> #include <linux/elf.h> #include <linux/vmalloc.h> +#include <linux/bug.h> #include <linux/fs.h> #include <linux/string.h> #include <linux/kernel.h> @@ -36,7 +37,8 @@ void *module_alloc(unsigned long size) { if (size == 0) return NULL; - return vmalloc(size); + + return vmalloc_exec(size); } @@ -145,9 +147,10 @@ int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, struct module *me) { - return 0; + return module_bug_finalize(hdr, sechdrs, me); } void module_arch_cleanup(struct module *mod) { + module_bug_cleanup(mod); } diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c index 921892c..3326a45 100644 --- a/arch/sh/kernel/process_32.c +++ b/arch/sh/kernel/process_32.c @@ -34,18 +34,6 @@ void (*pm_idle)(void); void (*pm_power_off)(void); EXPORT_SYMBOL(pm_power_off); -void disable_hlt(void) -{ - hlt_counter++; -} -EXPORT_SYMBOL(disable_hlt); - -void enable_hlt(void) -{ - hlt_counter--; -} -EXPORT_SYMBOL(enable_hlt); - static int __init nohlt_setup(char *__unused) { hlt_counter = 1; @@ -60,7 +48,7 @@ static int __init hlt_setup(char *__unused) } __setup("hlt", hlt_setup); -void default_idle(void) +static void default_idle(void) { if (!hlt_counter) { clear_thread_flag(TIF_POLLING_NRFLAG); diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c index 0283d81..b9dbd2d 100644 --- a/arch/sh/kernel/process_64.c +++ b/arch/sh/kernel/process_64.c @@ -36,16 +36,6 @@ static int hlt_counter = 1; #define HARD_IDLE_TIMEOUT (HZ / 3) -void disable_hlt(void) -{ - hlt_counter++; -} - -void enable_hlt(void) -{ - hlt_counter--; -} - static int __init nohlt_setup(char *__unused) { hlt_counter = 1; diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index fddb547..035cb30 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -20,6 +20,8 @@ #include <linux/signal.h> #include <linux/io.h> #include <linux/audit.h> +#include <linux/seccomp.h> +#include <linux/tracehook.h> #include <asm/uaccess.h> #include <asm/pgtable.h> #include <asm/system.h> @@ -57,7 +59,23 @@ static inline int put_stack_long(struct task_struct *task, int offset, return 0; } -static void ptrace_disable_singlestep(struct task_struct *child) +void user_enable_single_step(struct task_struct *child) +{ + struct pt_regs *regs = task_pt_regs(child); + long pc; + + pc = get_stack_long(child, (long)®s->pc); + + /* Next scheduling will set up UBC */ + if (child->thread.ubc_pc == 0) + ubc_usercnt += 1; + + child->thread.ubc_pc = pc; + + set_tsk_thread_flag(child, TIF_SINGLESTEP); +} + +void user_disable_single_step(struct task_struct *child) { clear_tsk_thread_flag(child, TIF_SINGLESTEP); @@ -81,7 +99,7 @@ static void ptrace_disable_singlestep(struct task_struct *child) */ void ptrace_disable(struct task_struct *child) { - ptrace_disable_singlestep(child); + user_disable_single_step(child); } long arch_ptrace(struct task_struct *child, long request, long addr, long data) @@ -90,12 +108,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) int ret; switch (request) { - /* when I and D space are separate, these will need to be fixed. */ - case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: - ret = generic_ptrace_peekdata(child, addr, data); - break; - /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { unsigned long tmp; @@ -125,12 +137,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } - /* when I and D space are separate, this will have to be fixed. */ - case PTRACE_POKETEXT: /* write the word at location addr. */ - case PTRACE_POKEDATA: - ret = generic_ptrace_pokedata(child, addr, data); - break; - case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ ret = -EIO; if ((addr & 3) || addr < 0 || @@ -151,67 +157,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } break; - case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */ - case PTRACE_CONT: { /* restart after signal. */ - ret = -EIO; - if (!valid_signal(data)) - break; - if (request == PTRACE_SYSCALL) - set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - else - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - - ptrace_disable_singlestep(child); - - child->exit_code = data; - wake_up_process(child); - ret = 0; - break; - } - -/* - * make the child exit. Best I can do is send it a sigkill. - * perhaps it should be put in the status that it wants to - * exit. - */ - case PTRACE_KILL: { - ret = 0; - if (child->exit_state == EXIT_ZOMBIE) /* already dead */ - break; - ptrace_disable_singlestep(child); - child->exit_code = SIGKILL; - wake_up_process(child); - break; - } - - case PTRACE_SINGLESTEP: { /* set the trap flag. */ - long pc; - struct pt_regs *regs = NULL; - - ret = -EIO; - if (!valid_signal(data)) - break; - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - if ((child->ptrace & PT_DTRACE) == 0) { - /* Spurious delayed TF traps may occur */ - child->ptrace |= PT_DTRACE; - } - - pc = get_stack_long(child, (long)®s->pc); - - /* Next scheduling will set up UBC */ - if (child->thread.ubc_pc == 0) - ubc_usercnt += 1; - child->thread.ubc_pc = pc; - - set_tsk_thread_flag(child, TIF_SINGLESTEP); - child->exit_code = data; - /* give it a chance to run. */ - wake_up_process(child); - ret = 0; - break; - } - #ifdef CONFIG_SH_DSP case PTRACE_GETDSPREGS: { unsigned long dp; @@ -241,6 +186,29 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } #endif +#ifdef CONFIG_BINFMT_ELF_FDPIC + case PTRACE_GETFDPIC: { + unsigned long tmp = 0; + + switch (addr) { + case PTRACE_GETFDPIC_EXEC: + tmp = child->mm->context.exec_fdpic_loadmap; + break; + case PTRACE_GETFDPIC_INTERP: + tmp = child->mm->context.interp_fdpic_loadmap; + break; + default: + break; + } + + ret = 0; + if (put_user(tmp, (unsigned long *) data)) { + ret = -EFAULT; + break; + } + break; + } +#endif default: ret = ptrace_request(child, request, addr, data); break; @@ -249,39 +217,49 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) return ret; } -asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit) +static inline int audit_arch(void) { - struct task_struct *tsk = current; + int arch = EM_SH; - if (unlikely(current->audit_context) && entryexit) - audit_syscall_exit(AUDITSC_RESULT(regs->regs[0]), - regs->regs[0]); +#ifdef CONFIG_CPU_LITTLE_ENDIAN + arch |= __AUDIT_ARCH_LE; +#endif - if (!test_thread_flag(TIF_SYSCALL_TRACE) && - !test_thread_flag(TIF_SINGLESTEP)) - goto out; - if (!(tsk->ptrace & PT_PTRACED)) - goto out; + return arch; +} - /* the 0x80 provides a way for the tracing parent to distinguish - between a syscall stop and SIGTRAP delivery */ - ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) && - !test_thread_flag(TIF_SINGLESTEP) ? 0x80 : 0)); +asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) +{ + long ret = 0; - /* - * this isn't the same as continuing with a signal, but it will do - * for normal use. strace only continues with a signal if the - * stopping signal is not SIGTRAP. -brl - */ - if (tsk->exit_code) { - send_sig(tsk->exit_code, tsk, 1); - tsk->exit_code = 0; - } + secure_computing(regs->regs[0]); -out: - if (unlikely(current->audit_context) && !entryexit) - audit_syscall_entry(AUDIT_ARCH_SH, regs->regs[3], + if (test_thread_flag(TIF_SYSCALL_TRACE) && + tracehook_report_syscall_entry(regs)) + /* + * Tracing decided this syscall should not happen. + * We'll return a bogus call number to get an ENOSYS + * error, but leave the original number in regs->regs[0]. + */ + ret = -1L; + + if (unlikely(current->audit_context)) + audit_syscall_entry(audit_arch(), regs->regs[3], regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]); + return ret ?: regs->regs[0]; +} + +asmlinkage void do_syscall_trace_leave(struct pt_regs *regs) +{ + int step; + + if (unlikely(current->audit_context)) + audit_syscall_exit(AUDITSC_RESULT(regs->regs[0]), + regs->regs[0]); + + step = test_thread_flag(TIF_SINGLESTEP); + if (step || test_thread_flag(TIF_SYSCALL_TRACE)) + tracehook_report_syscall_exit(regs, step); } diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c index d453c47..5922edd 100644 --- a/arch/sh/kernel/ptrace_64.c +++ b/arch/sh/kernel/ptrace_64.c @@ -27,6 +27,8 @@ #include <linux/signal.h> #include <linux/syscalls.h> #include <linux/audit.h> +#include <linux/seccomp.h> +#include <linux/tracehook.h> #include <asm/io.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -120,18 +122,23 @@ put_fpu_long(struct task_struct *task, unsigned long addr, unsigned long data) return 0; } +void user_enable_single_step(struct task_struct *child) +{ + struct pt_regs *regs = child->thread.uregs; + + regs->sr |= SR_SSTEP; /* auto-resetting upon exception */ +} + +void user_disable_single_step(struct task_struct *child) +{ + regs->sr &= ~SR_SSTEP; +} long arch_ptrace(struct task_struct *child, long request, long addr, long data) { int ret; switch (request) { - /* when I and D space are separate, these will need to be fixed. */ - case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: - ret = generic_ptrace_peekdata(child, addr, data); - break; - /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { unsigned long tmp; @@ -154,12 +161,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } - /* when I and D space are separate, this will have to be fixed. */ - case PTRACE_POKETEXT: /* write the word at location addr. */ - case PTRACE_POKEDATA: - ret = generic_ptrace_pokedata(child, addr, data); - break; - case PTRACE_POKEUSR: /* write the word at location addr in the USER area. We must disallow any changes to certain SR bits or u_fpvalid, since @@ -191,58 +192,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } break; - case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */ - case PTRACE_CONT: { /* restart after signal. */ - ret = -EIO; - if (!valid_signal(data)) - break; - if (request == PTRACE_SYSCALL) - set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - else - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - child->exit_code = data; - wake_up_process(child); - ret = 0; - break; - } - -/* - * make the child exit. Best I can do is send it a sigkill. - * perhaps it should be put in the status that it wants to - * exit. - */ - case PTRACE_KILL: { - ret = 0; - if (child->exit_state == EXIT_ZOMBIE) /* already dead */ - break; - child->exit_code = SIGKILL; - wake_up_process(child); - break; - } - - case PTRACE_SINGLESTEP: { /* set the trap flag. */ - struct pt_regs *regs; - - ret = -EIO; - if (!valid_signal(data)) - break; - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - if ((child->ptrace & PT_DTRACE) == 0) { - /* Spurious delayed TF traps may occur */ - child->ptrace |= PT_DTRACE; - } - - regs = child->thread.uregs; - - regs->sr |= SR_SSTEP; /* auto-resetting upon exception */ - - child->exit_code = data; - /* give it a chance to run. */ - wake_up_process(child); - ret = 0; - break; - } - default: ret = ptrace_request(child, request, addr, data); break; @@ -273,38 +222,51 @@ asmlinkage int sh64_ptrace(long request, long pid, long addr, long data) return sys_ptrace(request, pid, addr, data); } -asmlinkage void syscall_trace(struct pt_regs *regs, int entryexit) +static inline int audit_arch(void) { - struct task_struct *tsk = current; + int arch = EM_SH; - if (unlikely(current->audit_context) && entryexit) - audit_syscall_exit(AUDITSC_RESULT(regs->regs[9]), - regs->regs[9]); +#ifdef CONFIG_64BIT + arch |= __AUDIT_ARCH_64BIT; +#endif +#ifdef CONFIG_CPU_LITTLE_ENDIAN + arch |= __AUDIT_ARCH_LE; +#endif - if (!test_thread_flag(TIF_SYSCALL_TRACE) && - !test_thread_flag(TIF_SINGLESTEP)) - goto out; - if (!(tsk->ptrace & PT_PTRACED)) - goto out; - - ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) && - !test_thread_flag(TIF_SINGLESTEP) ? 0x80 : 0)); - - /* - * this isn't the same as continuing with a signal, but it will do - * for normal use. strace only continues with a signal if the - * stopping signal is not SIGTRAP. -brl - */ - if (tsk->exit_code) { - send_sig(tsk->exit_code, tsk, 1); - tsk->exit_code = 0; - } + return arch; +} -out: - if (unlikely(current->audit_context) && !entryexit) - audit_syscall_entry(AUDIT_ARCH_SH, regs->regs[1], +asmlinkage long long do_syscall_trace_enter(struct pt_regs *regs) +{ + long long ret = 0; + + secure_computing(regs->regs[9]); + + if (test_thread_flag(TIF_SYSCALL_TRACE) && + tracehook_report_syscall_entry(regs)) + /* + * Tracing decided this syscall should not happen. + * We'll return a bogus call number to get an ENOSYS + * error, but leave the original number in regs->regs[0]. + */ + ret = -1LL; + + if (unlikely(current->audit_context)) + audit_syscall_entry(audit_arch(), regs->regs[1], regs->regs[2], regs->regs[3], regs->regs[4], regs->regs[5]); + + return ret ?: regs->regs[9]; +} + +asmlinkage void do_syscall_trace_leave(struct pt_regs *regs) +{ + if (unlikely(current->audit_context)) + audit_syscall_exit(AUDITSC_RESULT(regs->regs[9]), + regs->regs[9]); + + if (test_thread_flag(TIF_SYSCALL_TRACE)) + tracehook_report_syscall_exit(regs, 0); } /* Called with interrupts disabled */ @@ -338,5 +300,5 @@ asmlinkage void do_software_break_point(unsigned long long vec, */ void ptrace_disable(struct task_struct *child) { - /* nothing to do.. */ + user_disable_single_step(child); } diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index bca2bbc..a352076 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -25,6 +25,7 @@ #include <linux/smp.h> #include <linux/err.h> #include <linux/debugfs.h> +#include <linux/crash_dump.h> #include <asm/uaccess.h> #include <asm/io.h> #include <asm/page.h> @@ -286,6 +287,25 @@ static void __init setup_memory(void) extern void __init setup_memory(void); #endif +/* + * Note: elfcorehdr_addr is not just limited to vmcore. It is also used by + * is_kdump_kernel() to determine if we are booting after a panic. Hence + * ifdef it under CONFIG_CRASH_DUMP and not CONFIG_PROC_VMCORE. + */ +#ifdef CONFIG_CRASH_DUMP +/* elfcorehdr= specifies the location of elf core header + * stored by the crashed kernel. + */ +static int __init parse_elfcorehdr(char *arg) +{ + if (!arg) + return -EINVAL; + elfcorehdr_addr = memparse(arg, &arg); + return 0; +} +early_param("elfcorehdr", parse_elfcorehdr); +#endif + void __init setup_arch(char **cmdline_p) { enable_mmu(); @@ -398,6 +418,7 @@ const char *get_cpu_subtype(struct sh_cpuinfo *c) { return cpu_name[c->type]; } +EXPORT_SYMBOL(get_cpu_subtype); #ifdef CONFIG_PROC_FS /* Symbolic CPU flags, keep in sync with asm/cpu-features.h */ @@ -452,6 +473,12 @@ static int show_cpuinfo(struct seq_file *m, void *v) seq_printf(m, "processor\t: %d\n", cpu); seq_printf(m, "cpu family\t: %s\n", init_utsname()->machine); seq_printf(m, "cpu type\t: %s\n", get_cpu_subtype(c)); + if (c->cut_major == -1) + seq_printf(m, "cut\t\t: unknown\n"); + else if (c->cut_minor == -1) + seq_printf(m, "cut\t\t: %d.x\n", c->cut_major); + else + seq_printf(m, "cut\t\t: %d.%d\n", c->cut_major, c->cut_minor); show_cpuflags(m, c); diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index f311551..51689d2 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -24,6 +24,7 @@ #include <linux/binfmts.h> #include <linux/freezer.h> #include <linux/io.h> +#include <linux/tracehook.h> #include <asm/system.h> #include <asm/ucontext.h> #include <asm/uaccess.h> @@ -33,6 +34,11 @@ #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) +struct fdpic_func_descriptor { + unsigned long text; + unsigned long GOT; +}; + /* * Atomically swap in the new signal mask, and wait for a signal. */ @@ -368,6 +374,7 @@ static int setup_frame(int sig, struct k_sigaction *ka, err |= __put_user(OR_R0_R0, &frame->retcode[6]); err |= __put_user((__NR_sigreturn), &frame->retcode[7]); regs->pr = (unsigned long) frame->retcode; + flush_icache_range(regs->pr, regs->pr + sizeof(frame->retcode)); } if (err) @@ -378,18 +385,21 @@ static int setup_frame(int sig, struct k_sigaction *ka, regs->regs[4] = signal; /* Arg for signal handler */ regs->regs[5] = 0; regs->regs[6] = (unsigned long) &frame->sc; - regs->pc = (unsigned long) ka->sa.sa_handler; + + if (current->personality & FDPIC_FUNCPTRS) { + struct fdpic_func_descriptor __user *funcptr = + (struct fdpic_func_descriptor __user *)ka->sa.sa_handler; + + __get_user(regs->pc, &funcptr->text); + __get_user(regs->regs[12], &funcptr->GOT); + } else + regs->pc = (unsigned long)ka->sa.sa_handler; set_fs(USER_DS); pr_debug("SIG deliver (%s:%d): sp=%p pc=%08lx pr=%08lx\n", current->comm, task_pid_nr(current), frame, regs->pc, regs->pr); - flush_cache_sigtramp(regs->pr); - - if ((-regs->pr & (L1_CACHE_BYTES-1)) < sizeof(frame->retcode)) - flush_cache_sigtramp(regs->pr + L1_CACHE_BYTES); - return 0; give_sigsegv: @@ -458,17 +468,22 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, regs->regs[4] = signal; /* Arg for signal handler */ regs->regs[5] = (unsigned long) &frame->info; regs->regs[6] = (unsigned long) &frame->uc; - regs->pc = (unsigned long) ka->sa.sa_handler; + + if (current->personality & FDPIC_FUNCPTRS) { + struct fdpic_func_descriptor __user *funcptr = + (struct fdpic_func_descriptor __user *)ka->sa.sa_handler; + + __get_user(regs->pc, &funcptr->text); + __get_user(regs->regs[12], &funcptr->GOT); + } else + regs->pc = (unsigned long)ka->sa.sa_handler; set_fs(USER_DS); pr_debug("SIG deliver (%s:%d): sp=%p pc=%08lx pr=%08lx\n", current->comm, task_pid_nr(current), frame, regs->pc, regs->pr); - flush_cache_sigtramp(regs->pr); - - if ((-regs->pr & (L1_CACHE_BYTES-1)) < sizeof(frame->retcode)) - flush_cache_sigtramp(regs->pr + L1_CACHE_BYTES); + flush_icache_range(regs->pr, regs->pr + sizeof(frame->retcode)); return 0; @@ -493,14 +508,13 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, switch (regs->regs[0]) { case -ERESTART_RESTARTBLOCK: case -ERESTARTNOHAND: + no_system_call_restart: regs->regs[0] = -EINTR; break; case -ERESTARTSYS: - if (!(ka->sa.sa_flags & SA_RESTART)) { - regs->regs[0] = -EINTR; - break; - } + if (!(ka->sa.sa_flags & SA_RESTART)) + goto no_system_call_restart; /* fallthrough */ case -ERESTARTNOINTR: regs->regs[0] = save_r0; @@ -575,12 +589,15 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0) * clear the TIF_RESTORE_SIGMASK flag */ if (test_thread_flag(TIF_RESTORE_SIGMASK)) clear_thread_flag(TIF_RESTORE_SIGMASK); + + tracehook_signal_handler(signr, &info, &ka, regs, + test_thread_flag(TIF_SINGLESTEP)); } return; } - no_signal: +no_signal: /* Did we come from a system call? */ if (regs->tra >= 0) { /* Restart the system call - no handlers present */ @@ -604,9 +621,14 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0) } asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned int save_r0, - __u32 thread_info_flags) + unsigned long thread_info_flags) { /* deal with pending signal delivery */ - if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) + if (thread_info_flags & _TIF_SIGPENDING) do_signal(regs, save_r0); + + if (thread_info_flags & _TIF_NOTIFY_RESUME) { + clear_thread_flag(TIF_NOTIFY_RESUME); + tracehook_notify_resume(regs); + } } diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c index 552eb81..1d62dfe 100644 --- a/arch/sh/kernel/signal_64.c +++ b/arch/sh/kernel/signal_64.c @@ -22,6 +22,7 @@ #include <linux/ptrace.h> #include <linux/unistd.h> #include <linux/stddef.h> +#include <linux/tracehook.h> #include <asm/ucontext.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -42,7 +43,84 @@ #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) -asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset); +/* + * Note that 'init' is a special process: it doesn't get signals it doesn't + * want to handle. Thus you cannot kill init even with a SIGKILL even by + * mistake. + * + * Note that we go through the signals twice: once to check the signals that + * the kernel can handle, and then we build all the user-level signal handling + * stack-frames in one go after that. + */ +static int do_signal(struct pt_regs *regs, sigset_t *oldset) +{ + siginfo_t info; + int signr; + struct k_sigaction ka; + + /* + * We want the common case to go fast, which + * is why we may in certain cases get here from + * kernel mode. Just return without doing anything + * if so. + */ + if (!user_mode(regs)) + return 1; + + if (try_to_freeze()) + goto no_signal; + + if (test_thread_flag(TIF_RESTORE_SIGMASK)) + oldset = ¤t->saved_sigmask; + else if (!oldset) + oldset = ¤t->blocked; + + signr = get_signal_to_deliver(&info, &ka, regs, 0); + + if (signr > 0) { + /* Whee! Actually deliver the signal. */ + handle_signal(signr, &info, &ka, oldset, regs); + + /* + * If a signal was successfully delivered, the saved sigmask + * is in its frame, and we can clear the TIF_RESTORE_SIGMASK + * flag. + */ + if (test_thread_flag(TIF_RESTORE_SIGMASK)) + clear_thread_flag(TIF_RESTORE_SIGMASK); + + tracehook_signal_handler(signr, &info, &ka, regs, 0); + return 1; + } + +no_signal: + /* Did we come from a system call? */ + if (regs->syscall_nr >= 0) { + /* Restart the system call - no handlers present */ + switch (regs->regs[REG_RET]) { + case -ERESTARTNOHAND: + case -ERESTARTSYS: + case -ERESTARTNOINTR: + /* Decode Syscall # */ + regs->regs[REG_RET] = regs->syscall_nr; + regs->pc -= 4; + break; + + case -ERESTART_RESTARTBLOCK: + regs->regs[REG_RET] = __NR_restart_syscall; + regs->pc -= 4; + break; + } + } + + /* No signal to deliver -- put the saved sigmask back */ + if (test_thread_flag(TIF_RESTORE_SIGMASK)) { + clear_thread_flag(TIF_RESTORE_SIGMASK); + sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); + } + + return 0; +} /* * Atomically swap in the new signal mask, and wait for a signal. @@ -643,14 +721,13 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, switch (regs->regs[REG_RET]) { case -ERESTART_RESTARTBLOCK: case -ERESTARTNOHAND: + no_system_call_restart: regs->regs[REG_RET] = -EINTR; break; case -ERESTARTSYS: - if (!(ka->sa.sa_flags & SA_RESTART)) { - regs->regs[REG_RET] = -EINTR; - break; - } + if (!(ka->sa.sa_flags & SA_RESTART)) + goto no_system_call_restart; /* fallthrough */ case -ERESTARTNOINTR: /* Decode syscall # */ @@ -673,80 +750,13 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, spin_unlock_irq(¤t->sighand->siglock); } -/* - * Note that 'init' is a special process: it doesn't get signals it doesn't - * want to handle. Thus you cannot kill init even with a SIGKILL even by - * mistake. - * - * Note that we go through the signals twice: once to check the signals that - * the kernel can handle, and then we build all the user-level signal handling - * stack-frames in one go after that. - */ -int do_signal(struct pt_regs *regs, sigset_t *oldset) +asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags) { - siginfo_t info; - int signr; - struct k_sigaction ka; - - /* - * We want the common case to go fast, which - * is why we may in certain cases get here from - * kernel mode. Just return without doing anything - * if so. - */ - if (!user_mode(regs)) - return 1; - - if (try_to_freeze()) - goto no_signal; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else if (!oldset) - oldset = ¤t->blocked; - - signr = get_signal_to_deliver(&info, &ka, regs, 0); - - if (signr > 0) { - /* Whee! Actually deliver the signal. */ - handle_signal(signr, &info, &ka, oldset, regs); + if (thread_info_flags & _TIF_SIGPENDING) + do_signal(regs, 0); - /* - * If a signal was successfully delivered, the saved sigmask - * is in its frame, and we can clear the TIF_RESTORE_SIGMASK - * flag. - */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - - return 1; + if (thread_info_flags & _TIF_NOTIFY_RESUME) { + clear_thread_flag(TIF_NOTIFY_RESUME); + tracehook_notify_resume(regs); } - -no_signal: - /* Did we come from a system call? */ - if (regs->syscall_nr >= 0) { - /* Restart the system call - no handlers present */ - switch (regs->regs[REG_RET]) { - case -ERESTARTNOHAND: - case -ERESTARTSYS: - case -ERESTARTNOINTR: - /* Decode Syscall # */ - regs->regs[REG_RET] = regs->syscall_nr; - regs->pc -= 4; - break; - - case -ERESTART_RESTARTBLOCK: - regs->regs[REG_RET] = __NR_restart_syscall; - regs->pc -= 4; - break; - } - } - - /* No signal to deliver -- put the saved sigmask back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } - - return 0; } diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S index a46cc3a..0af693e 100644 --- a/arch/sh/kernel/syscalls_32.S +++ b/arch/sh/kernel/syscalls_32.S @@ -343,3 +343,9 @@ ENTRY(sys_call_table) .long sys_fallocate .long sys_timerfd_settime /* 325 */ .long sys_timerfd_gettime + .long sys_signalfd4 + .long sys_eventfd2 + .long sys_epoll_create1 + .long sys_dup3 /* 330 */ + .long sys_pipe2 + .long sys_inotify_init1 diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S index d5d7843..0b436aa 100644 --- a/arch/sh/kernel/syscalls_64.S +++ b/arch/sh/kernel/syscalls_64.S @@ -381,3 +381,9 @@ sys_call_table: .long sys_fallocate .long sys_timerfd_settime .long sys_timerfd_gettime + .long sys_signalfd4 /* 355 */ + .long sys_eventfd2 + .long sys_epoll_create1 + .long sys_dup3 + .long sys_pipe2 + .long sys_inotify_init1 /* 360 */ diff --git a/arch/sh/kernel/time_32.c b/arch/sh/kernel/time_32.c index 7281342..0758b5e 100644 --- a/arch/sh/kernel/time_32.c +++ b/arch/sh/kernel/time_32.c @@ -211,7 +211,7 @@ unsigned long sh_hpt_frequency = 0; #define NSEC_PER_CYC_SHIFT 10 -struct clocksource clocksource_sh = { +static struct clocksource clocksource_sh = { .name = "SuperH", .rating = 200, .mask = CLOCKSOURCE_MASK(32), diff --git a/arch/sh/kernel/time_64.c b/arch/sh/kernel/time_64.c index 022a55f..791edab 100644 --- a/arch/sh/kernel/time_64.c +++ b/arch/sh/kernel/time_64.c @@ -33,8 +33,8 @@ #include <linux/irq.h> #include <linux/io.h> #include <linux/platform_device.h> -#include <asm/cpu/registers.h> /* required by inline __asm__ stmt. */ -#include <asm/cpu/irq.h> +#include <cpu/registers.h> /* required by inline __asm__ stmt. */ +#include <cpu/irq.h> #include <asm/addrspace.h> #include <asm/processor.h> #include <asm/uaccess.h> diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c index 8935570..1ca9ad4 100644 --- a/arch/sh/kernel/timers/timer-tmu.c +++ b/arch/sh/kernel/timers/timer-tmu.c @@ -209,7 +209,7 @@ static int tmu_timer_init(void) return 0; } -struct sys_timer_ops tmu_timer_ops = { +static struct sys_timer_ops tmu_timer_ops = { .init = tmu_timer_init, .start = tmu_timer_start, .stop = tmu_timer_stop, diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c index e08b3bf..511a942 100644 --- a/arch/sh/kernel/traps_32.c +++ b/arch/sh/kernel/traps_32.c @@ -43,6 +43,7 @@ # define TRAP_ILLEGAL_SLOT_INST 6 # define TRAP_ADDRESS_ERROR 9 # ifdef CONFIG_CPU_SH2A +# define TRAP_FPU_ERROR 13 # define TRAP_DIVZERO_ERROR 17 # define TRAP_DIVOVF_ERROR 18 # endif @@ -851,6 +852,9 @@ void __init trap_init(void) #ifdef CONFIG_CPU_SH2A set_exception_table_vec(TRAP_DIVZERO_ERROR, do_divide_error); set_exception_table_vec(TRAP_DIVOVF_ERROR, do_divide_error); +#ifdef CONFIG_SH_FPU + set_exception_table_vec(TRAP_FPU_ERROR, fpu_error_trap_handler); +#endif #endif /* Setup VBR for boot cpu */ |
