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authorWolfgang Denk <wd@denx.de>2011-12-02 00:17:49 +0100
committerWolfgang Denk <wd@denx.de>2011-12-02 00:17:49 +0100
commit7708d8b352e9e595f6f08afd3206af6495c7dc09 (patch)
treefb9811040b2b1f55c44fc7274473f2ef0847c19b /arch/x86/cpu/interrupts.c
parentd887ad54ca74063338bc3108beed0aa4f15d1f6b (diff)
parentf008b17f8c2995996b5d100b71f8851d6f74a136 (diff)
Merge branch 'master' of ssh://gemini/home/wd/git/u-boot/master
* 'master' of ssh://gemini/home/wd/git/u-boot/master: board/emk/top860/top860.c: Fix GCC 4.6 build warning board/sbc405/strataflash.c: Fix GCC 4.6 build warning arch/powerpc/cpu/mpc86xx/cpu.c: Fix GCC 4.6 build warning board/freescale/mpc8610hpcd/mpc8610hpcd.c: Fix GCC 4.6 build warning board/mpl/common/flash.c: Fix GCC 4.6 build warning post/board/lwmon5/gdc.c: Fix GCC 4.6 build warning drivers/usb/host/sl811-hcd.c: Fix GCC 4.6 build warning board/sandburst/common/flash.c: Fix GCC 4.6 build warning DB64460: Fix GCC 4.6 build warnings DB64360: Fix GCC 4.6 build warnings board/cray/L1/flash.c: Fix GCC 4.6 build warning drivers/block/sata_dwc.c: Fix GCC 4.6 build warning board/amirix/ap1000/flash.c: Fix GCC 4.6 build warning alpr board: Fix GCC 4.6 build warnings image: Don't detect XIP images as overlapping. image: Implement IH_TYPE_KERNEL_NOLOAD ppc4xx: Add Io64 board support ppc4xx: fix PMC440 painit command ppc4xx: remove invalid access to PCI_BRDGOPT2 register ppc4xx: use CONFIG_PCI_BOOTDELAY instead of private implementation mpc85xx: support for Freescale COM Express P2020 arch/powerpc/cpu/mpc8xxx/ddr/interactive.c: Fix GCC 4.6 build warning mpc85xx: support board-specific reset function powerpc/85xx: verify the localbus device tree address before booting the OS mpc8xxx: update module_type values from JEDEC DDR3 SPD Specification powerpc/p3060qds: Add board related support for P3060QDS platform powerpc/85xx: clean up and document the QE/FMAN microcode macros powerpc/85xx: always implement the work-around for Erratum SATA_A001 powerpc/85xx: CONFIG_FSL_SATA_V2 should be defined in config_mpc85xx.h powerpc/85xx: Add workaround for erratum A-003474 powerpc/85xx: fixup flexcan device tree clock-frequency powerpc/85xx: Add workaround for erratum CPU-A003999 x86: Fix some bugs in the i8402 driver when no controller is present x86: Make the i8042 driver checkpatch clean x86: Wrap small helper functions from libgcc to avoid an ABI mismatch x86: Import the glibc memset implementation x86: Fix a few recently added bugs x86: Don't relocate symbols which point to things that aren't relocated x86: Fix how the location of the realmode and bios blobs are calculated x86: Misc cleanups x86: Misc PCI touchups x86: Ensure IDT and GDT remain 16-byte aligned post relocation x86: Provide more configuration granularity x86: Add multiboot header sc520: Create arch asm-offsets x86: Punt cold- and warm-boot flags cosmetic: checkpatch cleanup of board/eNET/*.c cosmetic: checkpatch cleanup of arch/x86/lib/*.c cosmetic: checkpatch cleanup of arch/x86/cpu/sc520/*.c cosmetic: checkpatch cleanup of arch/x86/cpu/*.c x86: Call hang() on unrecoverable exception menu.c: use puts() instead of printf() where possible MAKEALL: drop obsolete mx31pdk_nand target dataflash: fix parameters order in write_dataflash() hawkboard: Replace HAWKBOARD_KICK{0, 1}_UNLOCK defines davinci_sonata: define CONFIG_MACH_TYPE for davinci_sonata board davinci_schmoogie: define CONFIG_MACH_TYPE for davinci_schmoogie board arm: a320evb: define mach-type in board config file OMAP3: Use sdelay from arch/arm/cpu/armv7/syslib.c instead of cloning that. Fix Stelian's email address DIU: 1080P and 720P support CFB: Fix font rendering on mx5 framebuffer
Diffstat (limited to 'arch/x86/cpu/interrupts.c')
-rw-r--r--arch/x86/cpu/interrupts.c53
1 files changed, 30 insertions, 23 deletions
diff --git a/arch/x86/cpu/interrupts.c b/arch/x86/cpu/interrupts.c
index c6e72eaa630..e0958eb67f4 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();
@@ -164,21 +166,21 @@ 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];
+struct idt_entry idt[256] __attribute__((aligned(16)));
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 */
@@ -255,7 +262,7 @@ void irq_llsr(struct irq_regs *regs)
case 0x00:
printf("Divide Error (Division by zero)\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x01:
printf("Debug Interrupt (Single step)\n");
@@ -272,32 +279,32 @@ void irq_llsr(struct irq_regs *regs)
case 0x04:
printf("Overflow\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x05:
printf("BOUND Range Exceeded\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x06:
printf("Invalid Opcode (UnDefined Opcode)\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x07:
printf("Device Not Available (No Math Coprocessor)\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x08:
printf("Double fault\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x09:
printf("Co-processor segment overrun\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x0a:
printf("Invalid TSS\n");
@@ -306,12 +313,12 @@ void irq_llsr(struct irq_regs *regs)
case 0x0b:
printf("Segment Not Present\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x0c:
printf("Stack Segment Fault\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x0d:
printf("General Protection\n");
@@ -320,7 +327,7 @@ void irq_llsr(struct irq_regs *regs)
case 0x0e:
printf("Page fault\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x0f:
printf("Floating-Point Error (Math Fault)\n");