diff options
Diffstat (limited to 'arch/x86/cpu/interrupts.c')
| -rw-r--r-- | arch/x86/cpu/interrupts.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/arch/x86/cpu/interrupts.c b/arch/x86/cpu/interrupts.c index 89f39d2..e007511 100644 --- a/arch/x86/cpu/interrupts.c +++ b/arch/x86/cpu/interrupts.c @@ -31,6 +31,7 @@ #include <asm/interrupt.h> #include <asm/io.h> #include <asm/processor-flags.h> +#include <linux/compiler.h> #define DECLARE_INTERRUPT(x) \ ".globl irq_"#x"\n" \ @@ -83,22 +84,22 @@ static inline unsigned long get_debugreg(int regno) switch (regno) { case 0: - asm("mov %%db0, %0" :"=r" (val)); + asm("mov %%db0, %0" : "=r" (val)); break; case 1: - asm("mov %%db1, %0" :"=r" (val)); + asm("mov %%db1, %0" : "=r" (val)); break; case 2: - asm("mov %%db2, %0" :"=r" (val)); + asm("mov %%db2, %0" : "=r" (val)); break; case 3: - asm("mov %%db3, %0" :"=r" (val)); + asm("mov %%db3, %0" : "=r" (val)); break; case 6: - asm("mov %%db6, %0" :"=r" (val)); + asm("mov %%db6, %0" : "=r" (val)); break; case 7: - asm("mov %%db7, %0" :"=r" (val)); + asm("mov %%db7, %0" : "=r" (val)); break; default: val = 0; @@ -120,7 +121,8 @@ void dump_regs(struct irq_regs *regs) printf("ESI: %08lx EDI: %08lx EBP: %08lx ESP: %08lx\n", regs->esi, regs->edi, regs->ebp, regs->esp); printf(" DS: %04x ES: %04x FS: %04x GS: %04x SS: %04x\n", - (u16)regs->xds, (u16)regs->xes, (u16)regs->xfs, (u16)regs->xgs, (u16)regs->xss); + (u16)regs->xds, (u16)regs->xes, (u16)regs->xfs, + (u16)regs->xgs, (u16)regs->xss); cr0 = read_cr0(); cr2 = read_cr2(); @@ -164,13 +166,13 @@ struct idt_entry { u8 res; u8 access; u16 base_high; -} __attribute__ ((packed)); +} __packed; struct desc_ptr { unsigned short size; unsigned long address; unsigned short segment; -} __attribute__((packed)); +} __packed; struct idt_entry idt[256]; @@ -178,7 +180,7 @@ struct desc_ptr idt_ptr; static inline void load_idt(const struct desc_ptr *dtr) { - asm volatile("cs lidt %0"::"m" (*dtr)); + asm volatile("cs lidt %0" : : "m" (*dtr)); } void set_vector(u8 intnum, void *routine) @@ -187,6 +189,11 @@ void set_vector(u8 intnum, void *routine) idt[intnum].base_low = (u16)((u32)(routine) & 0xffff); } +/* + * Ideally these would be defined static to avoid a checkpatch warning, but + * the compiler cannot see them in the inline asm and complains that they + * aren't defined + */ void irq_0(void); void irq_1(void); @@ -201,7 +208,7 @@ int cpu_init_interrupts(void) disable_interrupts(); /* Setup the IDT */ - for (i=0;i<256;i++) { + for (i = 0; i < 256; i++) { idt[i].access = 0x8e; idt[i].res = 0; idt[i].selector = 0x10; @@ -238,7 +245,7 @@ int disable_interrupts(void) asm volatile ("pushfl ; popl %0 ; cli\n" : "=g" (flags) : ); - return flags & X86_EFLAGS_IF; /* IE flags is bit 9 */ + return flags & X86_EFLAGS_IF; } /* IRQ Low-Level Service Routine */ |