diff options
Diffstat (limited to 'include/asm-frv')
| -rw-r--r-- | include/asm-frv/dma.h | 5 | ||||
| -rw-r--r-- | include/asm-frv/highmem.h | 27 | ||||
| -rw-r--r-- | include/asm-frv/io.h | 21 | ||||
| -rw-r--r-- | include/asm-frv/irq_regs.h | 27 | ||||
| -rw-r--r-- | include/asm-frv/ptrace.h | 1 |
5 files changed, 43 insertions, 38 deletions
diff --git a/include/asm-frv/dma.h b/include/asm-frv/dma.h index 18d6bb8..683c47d 100644 --- a/include/asm-frv/dma.h +++ b/include/asm-frv/dma.h @@ -24,10 +24,7 @@ /* * FRV DMA controller management */ -struct pt_regs; - -typedef irqreturn_t (*dma_irq_handler_t)(int dmachan, unsigned long cstr, void *data, - struct pt_regs *regs); +typedef irqreturn_t (*dma_irq_handler_t)(int dmachan, unsigned long cstr, void *data); extern void frv_dma_init(void); diff --git a/include/asm-frv/highmem.h b/include/asm-frv/highmem.h index e2247c2..0f390f4 100644 --- a/include/asm-frv/highmem.h +++ b/include/asm-frv/highmem.h @@ -82,11 +82,11 @@ extern struct page *kmap_atomic_to_page(void *ptr); dampr = paddr | xAMPRx_L | xAMPRx_M | xAMPRx_S | xAMPRx_SS_16Kb | xAMPRx_V; \ \ if (type != __KM_CACHE) \ - asm volatile("movgs %0,dampr"#ampr :: "r"(dampr)); \ + asm volatile("movgs %0,dampr"#ampr :: "r"(dampr) : "memory"); \ else \ asm volatile("movgs %0,iampr"#ampr"\n" \ "movgs %0,dampr"#ampr"\n" \ - :: "r"(dampr) \ + :: "r"(dampr) : "memory" \ ); \ \ asm("movsg damlr"#ampr",%0" : "=r"(damlr)); \ @@ -104,7 +104,7 @@ extern struct page *kmap_atomic_to_page(void *ptr); asm volatile("movgs %0,tplr \n" \ "movgs %1,tppr \n" \ "tlbpr %0,gr0,#2,#1" \ - : : "r"(damlr), "r"(dampr)); \ + : : "r"(damlr), "r"(dampr) : "memory"); \ \ /*printk("TLB: SECN sl=%d L=%08lx P=%08lx\n", slot, damlr, dampr);*/ \ \ @@ -115,7 +115,7 @@ static inline void *kmap_atomic(struct page *page, enum km_type type) { unsigned long paddr; - preempt_disable(); + inc_preempt_count(); paddr = page_to_phys(page); switch (type) { @@ -138,16 +138,16 @@ static inline void *kmap_atomic(struct page *page, enum km_type type) } } -#define __kunmap_atomic_primary(type, ampr) \ -do { \ - asm volatile("movgs gr0,dampr"#ampr"\n"); \ - if (type == __KM_CACHE) \ - asm volatile("movgs gr0,iampr"#ampr"\n"); \ +#define __kunmap_atomic_primary(type, ampr) \ +do { \ + asm volatile("movgs gr0,dampr"#ampr"\n" ::: "memory"); \ + if (type == __KM_CACHE) \ + asm volatile("movgs gr0,iampr"#ampr"\n" ::: "memory"); \ } while(0) -#define __kunmap_atomic_secondary(slot, vaddr) \ -do { \ - asm volatile("tlbpr %0,gr0,#4,#1" : : "r"(vaddr)); \ +#define __kunmap_atomic_secondary(slot, vaddr) \ +do { \ + asm volatile("tlbpr %0,gr0,#4,#1" : : "r"(vaddr) : "memory"); \ } while(0) static inline void kunmap_atomic(void *kvaddr, enum km_type type) @@ -170,7 +170,8 @@ static inline void kunmap_atomic(void *kvaddr, enum km_type type) default: BUG(); } - preempt_enable(); + dec_preempt_count(); + preempt_check_resched(); } #endif /* !__ASSEMBLY__ */ diff --git a/include/asm-frv/io.h b/include/asm-frv/io.h index 7765f55..20e44fe0 100644 --- a/include/asm-frv/io.h +++ b/include/asm-frv/io.h @@ -385,27 +385,6 @@ static inline void pci_iounmap(struct pci_dev *dev, void __iomem *p) */ #define xlate_dev_kmem_ptr(p) p -/* - * Check BIOS signature - */ -static inline int check_signature(volatile void __iomem *io_addr, - const unsigned char *signature, int length) -{ - int retval = 0; - - do { - if (readb(io_addr) != *signature) - goto out; - io_addr++; - signature++; - length--; - } while (length); - - retval = 1; -out: - return retval; -} - #endif /* __KERNEL__ */ #endif /* _ASM_IO_H */ diff --git a/include/asm-frv/irq_regs.h b/include/asm-frv/irq_regs.h new file mode 100644 index 0000000..d22e832 --- /dev/null +++ b/include/asm-frv/irq_regs.h @@ -0,0 +1,27 @@ +/* FRV per-CPU frame pointer holder + * + * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef _ASM_IRQ_REGS_H +#define _ASM_IRQ_REGS_H + +/* + * Per-cpu current frame pointer - the location of the last exception frame on + * the stack + * - on FRV, GR28 is dedicated to keeping a pointer to the current exception + * frame + */ +#define ARCH_HAS_OWN_IRQ_REGS + +#ifndef __ASSEMBLY__ +#define get_irq_regs() (__frame) +#endif + +#endif /* _ASM_IRQ_REGS_H */ diff --git a/include/asm-frv/ptrace.h b/include/asm-frv/ptrace.h index 7ff5251..9a2241b 100644 --- a/include/asm-frv/ptrace.h +++ b/include/asm-frv/ptrace.h @@ -12,6 +12,7 @@ #define _ASM_PTRACE_H #include <asm/registers.h> +#include <asm/irq_regs.h> #define in_syscall(regs) (((regs)->tbr & TBR_TT) == TBR_TT_TRAP0) |
