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-rw-r--r--include/asm-m32r/assembler.h5
-rw-r--r--include/asm-m32r/mappi3/mappi3_pld.h22
-rw-r--r--include/asm-m32r/ptrace.h25
-rw-r--r--include/asm-m32r/semaphore.h64
-rw-r--r--include/asm-m32r/sigcontext.h2
-rw-r--r--include/asm-m32r/system.h67
6 files changed, 55 insertions, 130 deletions
diff --git a/include/asm-m32r/assembler.h b/include/asm-m32r/assembler.h
index b7f4d8a..1a1aa17 100644
--- a/include/asm-m32r/assembler.h
+++ b/include/asm-m32r/assembler.h
@@ -109,6 +109,9 @@
push r13
mvfachi r13
push r13
+ ldi r13, #0
+ push r13 ; dummy push acc1h
+ push r13 ; dummy push acc1l
#else
#error unknown isa configuration
#endif
@@ -156,6 +159,8 @@
pop r13
mvtaclo r13, a1
#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
+ pop r13 ; dummy pop acc1h
+ pop r13 ; dummy pop acc1l
pop r13
mvtachi r13
pop r13
diff --git a/include/asm-m32r/mappi3/mappi3_pld.h b/include/asm-m32r/mappi3/mappi3_pld.h
index 1d3c25d..031369a 100644
--- a/include/asm-m32r/mappi3/mappi3_pld.h
+++ b/include/asm-m32r/mappi3/mappi3_pld.h
@@ -53,16 +53,14 @@
/* Power Control of MMC and CF */
#define PLD_CPCR __reg16(PLD_BASE + 0x14000)
-
-/*==== ICU ====*/
-#define M32R_IRQ_PC104 (5) /* INT4(PC/104) */
-#define M32R_IRQ_I2C (28) /* I2C-BUS */
-#define PLD_IRQ_CFIREQ (6) /* INT5 CFC Card Interrupt */
-#define PLD_IRQ_CFC_INSERT (7) /* INT6 CFC Card Insert */
-#define PLD_IRQ_IDEIREQ (8) /* INT7 IDE Interrupt */
-#define PLD_IRQ_MMCCARD (43) /* MMC Card Insert */
-#define PLD_IRQ_MMCIRQ (44) /* MMC Transfer Done */
-
+/* ICU */
+#define M32R_IRQ_PC104 (5) /* INT4(PC/104) */
+#define M32R_IRQ_I2C (28) /* I2C-BUS */
+#define PLD_IRQ_CFIREQ (6) /* INT5 CFC Card Interrupt */
+#define PLD_IRQ_CFC_INSERT (7) /* INT6 CFC Card Insert & Eject */
+#define PLD_IRQ_IDEIREQ (8) /* INT7 IDE Interrupt */
+#define PLD_IRQ_MMCCARD (43) /* MMC Card Insert */
+#define PLD_IRQ_MMCIRQ (44) /* MMC Transfer Done */
#if 0
/* LED Control
@@ -97,7 +95,6 @@
#define PLD_CRC16ADATA __reg16(PLD_BASE + 0x18008)
#define PLD_CRC16AINDATA __reg16(PLD_BASE + 0x1800a)
-
#if 0
/* RTC */
#define PLD_RTCCR __reg16(PLD_BASE + 0x1c000)
@@ -140,4 +137,7 @@
#endif
+/* Reset Control */
+#define PLD_REBOOT __reg16(PLD_BASE + 0x38000)
+
#endif /* _MAPPI3_PLD.H */
diff --git a/include/asm-m32r/ptrace.h b/include/asm-m32r/ptrace.h
index 0d058b2..53c7924 100644
--- a/include/asm-m32r/ptrace.h
+++ b/include/asm-m32r/ptrace.h
@@ -43,6 +43,14 @@
#define PT_ACC1L 18
#define PT_ACCH PT_ACC0H
#define PT_ACCL PT_ACC0L
+#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
+#define PT_ACCH 15
+#define PT_ACCL 16
+#define PT_DUMMY_ACC1H 17
+#define PT_DUMMY_ACC1L 18
+#else
+#error unknown isa conifiguration
+#endif
#define PT_PSW 19
#define PT_BPC 20
#define PT_BBPSW 21
@@ -52,21 +60,6 @@
#define PT_LR 25
#define PT_SPI 26
#define PT_ORIGR0 27
-#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
-#define PT_ACCH 15
-#define PT_ACCL 16
-#define PT_PSW 17
-#define PT_BPC 18
-#define PT_BBPSW 19
-#define PT_BBPC 20
-#define PT_SPU 21
-#define PT_FP 22
-#define PT_LR 23
-#define PT_SPI 24
-#define PT_ORIGR0 25
-#else
-#error unknown isa conifiguration
-#endif
/* virtual pt_reg entry for gdb */
#define PT_PC 30
@@ -121,6 +114,8 @@ struct pt_regs {
#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
unsigned long acch;
unsigned long accl;
+ unsigned long dummy_acc1h;
+ unsigned long dummy_acc1l;
#else
#error unknown isa configuration
#endif
diff --git a/include/asm-m32r/semaphore.h b/include/asm-m32r/semaphore.h
index bf447c5..81750ed 100644
--- a/include/asm-m32r/semaphore.h
+++ b/include/asm-m32r/semaphore.h
@@ -9,7 +9,7 @@
* SMP- and interrupt-safe semaphores..
*
* Copyright (C) 1996 Linus Torvalds
- * Copyright (C) 2004 Hirokazu Takata <takata at linux-m32r.org>
+ * Copyright (C) 2004, 2006 Hirokazu Takata <takata at linux-m32r.org>
*/
#include <linux/config.h>
@@ -77,27 +77,8 @@ asmlinkage void __up(struct semaphore * sem);
*/
static inline void down(struct semaphore * sem)
{
- unsigned long flags;
- long count;
-
might_sleep();
- local_irq_save(flags);
- __asm__ __volatile__ (
- "# down \n\t"
- DCACHE_CLEAR("%0", "r4", "%1")
- M32R_LOCK" %0, @%1; \n\t"
- "addi %0, #-1; \n\t"
- M32R_UNLOCK" %0, @%1; \n\t"
- : "=&r" (count)
- : "r" (&sem->count)
- : "memory"
-#ifdef CONFIG_CHIP_M32700_TS1
- , "r4"
-#endif /* CONFIG_CHIP_M32700_TS1 */
- );
- local_irq_restore(flags);
-
- if (unlikely(count < 0))
+ if (unlikely(atomic_dec_return(&sem->count) < 0))
__down(sem);
}
@@ -107,28 +88,10 @@ static inline void down(struct semaphore * sem)
*/
static inline int down_interruptible(struct semaphore * sem)
{
- unsigned long flags;
- long count;
int result = 0;
might_sleep();
- local_irq_save(flags);
- __asm__ __volatile__ (
- "# down_interruptible \n\t"
- DCACHE_CLEAR("%0", "r4", "%1")
- M32R_LOCK" %0, @%1; \n\t"
- "addi %0, #-1; \n\t"
- M32R_UNLOCK" %0, @%1; \n\t"
- : "=&r" (count)
- : "r" (&sem->count)
- : "memory"
-#ifdef CONFIG_CHIP_M32700_TS1
- , "r4"
-#endif /* CONFIG_CHIP_M32700_TS1 */
- );
- local_irq_restore(flags);
-
- if (unlikely(count < 0))
+ if (unlikely(atomic_dec_return(&sem->count) < 0))
result = __down_interruptible(sem);
return result;
@@ -174,26 +137,7 @@ static inline int down_trylock(struct semaphore * sem)
*/
static inline void up(struct semaphore * sem)
{
- unsigned long flags;
- long count;
-
- local_irq_save(flags);
- __asm__ __volatile__ (
- "# up \n\t"
- DCACHE_CLEAR("%0", "r4", "%1")
- M32R_LOCK" %0, @%1; \n\t"
- "addi %0, #1; \n\t"
- M32R_UNLOCK" %0, @%1; \n\t"
- : "=&r" (count)
- : "r" (&sem->count)
- : "memory"
-#ifdef CONFIG_CHIP_M32700_TS1
- , "r4"
-#endif /* CONFIG_CHIP_M32700_TS1 */
- );
- local_irq_restore(flags);
-
- if (unlikely(count <= 0))
+ if (unlikely(atomic_inc_return(&sem->count) <= 0))
__up(sem);
}
diff --git a/include/asm-m32r/sigcontext.h b/include/asm-m32r/sigcontext.h
index c233e2d..942b8a3 100644
--- a/include/asm-m32r/sigcontext.h
+++ b/include/asm-m32r/sigcontext.h
@@ -32,6 +32,8 @@ struct sigcontext {
#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
unsigned long sc_acch;
unsigned long sc_accl;
+ unsigned long sc_dummy_acc1h;
+ unsigned long sc_dummy_acc1l;
#else
#error unknown isa configuration
#endif
diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h
index c5ab5da..e55013f 100644
--- a/include/asm-m32r/system.h
+++ b/include/asm-m32r/system.h
@@ -6,8 +6,8 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 2001 by Hiroyuki Kondo, Hirokazu Takata, and Hitoshi Yamamoto
- * Copyright (C) 2004 Hirokazu Takata <takata at linux-m32r.org>
+ * Copyright (C) 2001 Hiroyuki Kondo, Hirokazu Takata, and Hitoshi Yamamoto
+ * Copyright (C) 2004, 2006 Hirokazu Takata <takata at linux-m32r.org>
*/
#include <linux/config.h>
@@ -19,49 +19,28 @@
* switch_to(prev, next) should switch from task `prev' to `next'
* `prev' will never be the same as `next'.
*
- * `next' and `prev' should be struct task_struct, but it isn't always defined
+ * `next' and `prev' should be task_t, but it isn't always defined
*/
#define switch_to(prev, next, last) do { \
- register unsigned long arg0 __asm__ ("r0") = (unsigned long)prev; \
- register unsigned long arg1 __asm__ ("r1") = (unsigned long)next; \
- register unsigned long *oldsp __asm__ ("r2") = &(prev->thread.sp); \
- register unsigned long *newsp __asm__ ("r3") = &(next->thread.sp); \
- register unsigned long *oldlr __asm__ ("r4") = &(prev->thread.lr); \
- register unsigned long *newlr __asm__ ("r5") = &(next->thread.lr); \
- register struct task_struct *__last __asm__ ("r6"); \
__asm__ __volatile__ ( \
- "st r8, @-r15 \n\t" \
- "st r9, @-r15 \n\t" \
- "st r10, @-r15 \n\t" \
- "st r11, @-r15 \n\t" \
- "st r12, @-r15 \n\t" \
- "st r13, @-r15 \n\t" \
- "st r14, @-r15 \n\t" \
- "seth r14, #high(1f) \n\t" \
- "or3 r14, r14, #low(1f) \n\t" \
- "st r14, @r4 ; store old LR \n\t" \
- "st r15, @r2 ; store old SP \n\t" \
- "ld r15, @r3 ; load new SP \n\t" \
- "st r0, @-r15 ; store 'prev' onto new stack \n\t" \
- "ld r14, @r5 ; load new LR \n\t" \
- "jmp r14 \n\t" \
- ".fillinsn \n " \
- "1: \n\t" \
- "ld r6, @r15+ ; load 'prev' from new stack \n\t" \
- "ld r14, @r15+ \n\t" \
- "ld r13, @r15+ \n\t" \
- "ld r12, @r15+ \n\t" \
- "ld r11, @r15+ \n\t" \
- "ld r10, @r15+ \n\t" \
- "ld r9, @r15+ \n\t" \
- "ld r8, @r15+ \n\t" \
- : "=&r" (__last) \
- : "r" (arg0), "r" (arg1), "r" (oldsp), "r" (newsp), \
- "r" (oldlr), "r" (newlr) \
- : "memory" \
+ " seth lr, #high(1f) \n" \
+ " or3 lr, lr, #low(1f) \n" \
+ " st lr, @%4 ; store old LR \n" \
+ " ld lr, @%5 ; load new LR \n" \
+ " st sp, @%2 ; store old SP \n" \
+ " ld sp, @%3 ; load new SP \n" \
+ " push %1 ; store `prev' on new stack \n" \
+ " jmp lr \n" \
+ " .fillinsn \n" \
+ "1: \n" \
+ " pop %0 ; restore `__last' from new stack \n" \
+ : "=r" (last) \
+ : "0" (prev), \
+ "r" (&(prev->thread.sp)), "r" (&(next->thread.sp)), \
+ "r" (&(prev->thread.lr)), "r" (&(next->thread.lr)) \
+ : "memory", "lr" \
); \
- last = __last; \
} while(0)
/*
@@ -167,8 +146,8 @@ extern void __xchg_called_with_bad_pointer(void);
#define DCACHE_CLEAR(reg0, reg1, addr)
#endif /* CONFIG_CHIP_M32700_TS1 */
-static __inline__ unsigned long __xchg(unsigned long x, volatile void * ptr,
- int size)
+static inline unsigned long
+__xchg(unsigned long x, volatile void * ptr, int size)
{
unsigned long flags;
unsigned long tmp = 0;
@@ -220,7 +199,7 @@ static __inline__ unsigned long __xchg(unsigned long x, volatile void * ptr,
#define __HAVE_ARCH_CMPXCHG 1
-static __inline__ unsigned long
+static inline unsigned long
__cmpxchg_u32(volatile unsigned int *p, unsigned int old, unsigned int new)
{
unsigned long flags;
@@ -254,7 +233,7 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned int old, unsigned int new)
if something tries to do an invalid cmpxchg(). */
extern void __cmpxchg_called_with_bad_pointer(void);
-static __inline__ unsigned long
+static inline unsigned long
__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
{
switch (size) {
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