diff options
Diffstat (limited to 'include/asm-x86/mach-default/apm.h')
| -rw-r--r-- | include/asm-x86/mach-default/apm.h | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/include/asm-x86/mach-default/apm.h b/include/asm-x86/mach-default/apm.h deleted file mode 100644 index 2aa61b54fbd5..000000000000 --- a/include/asm-x86/mach-default/apm.h +++ /dev/null | |||
| @@ -1,73 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Machine specific APM BIOS functions for generic. | ||
| 3 | * Split out from apm.c by Osamu Tomita <tomita@cinet.co.jp> | ||
| 4 | */ | ||
| 5 | |||
| 6 | #ifndef ASM_X86__MACH_DEFAULT__APM_H | ||
| 7 | #define ASM_X86__MACH_DEFAULT__APM_H | ||
| 8 | |||
| 9 | #ifdef APM_ZERO_SEGS | ||
| 10 | # define APM_DO_ZERO_SEGS \ | ||
| 11 | "pushl %%ds\n\t" \ | ||
| 12 | "pushl %%es\n\t" \ | ||
| 13 | "xorl %%edx, %%edx\n\t" \ | ||
| 14 | "mov %%dx, %%ds\n\t" \ | ||
| 15 | "mov %%dx, %%es\n\t" \ | ||
| 16 | "mov %%dx, %%fs\n\t" \ | ||
| 17 | "mov %%dx, %%gs\n\t" | ||
| 18 | # define APM_DO_POP_SEGS \ | ||
| 19 | "popl %%es\n\t" \ | ||
| 20 | "popl %%ds\n\t" | ||
| 21 | #else | ||
| 22 | # define APM_DO_ZERO_SEGS | ||
| 23 | # define APM_DO_POP_SEGS | ||
| 24 | #endif | ||
| 25 | |||
| 26 | static inline void apm_bios_call_asm(u32 func, u32 ebx_in, u32 ecx_in, | ||
| 27 | u32 *eax, u32 *ebx, u32 *ecx, | ||
| 28 | u32 *edx, u32 *esi) | ||
| 29 | { | ||
| 30 | /* | ||
| 31 | * N.B. We do NOT need a cld after the BIOS call | ||
| 32 | * because we always save and restore the flags. | ||
| 33 | */ | ||
| 34 | __asm__ __volatile__(APM_DO_ZERO_SEGS | ||
| 35 | "pushl %%edi\n\t" | ||
| 36 | "pushl %%ebp\n\t" | ||
| 37 | "lcall *%%cs:apm_bios_entry\n\t" | ||
| 38 | "setc %%al\n\t" | ||
| 39 | "popl %%ebp\n\t" | ||
| 40 | "popl %%edi\n\t" | ||
| 41 | APM_DO_POP_SEGS | ||
| 42 | : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx), | ||
| 43 | "=S" (*esi) | ||
| 44 | : "a" (func), "b" (ebx_in), "c" (ecx_in) | ||
| 45 | : "memory", "cc"); | ||
| 46 | } | ||
| 47 | |||
| 48 | static inline u8 apm_bios_call_simple_asm(u32 func, u32 ebx_in, | ||
| 49 | u32 ecx_in, u32 *eax) | ||
| 50 | { | ||
| 51 | int cx, dx, si; | ||
| 52 | u8 error; | ||
| 53 | |||
| 54 | /* | ||
| 55 | * N.B. We do NOT need a cld after the BIOS call | ||
| 56 | * because we always save and restore the flags. | ||
| 57 | */ | ||
| 58 | __asm__ __volatile__(APM_DO_ZERO_SEGS | ||
| 59 | "pushl %%edi\n\t" | ||
| 60 | "pushl %%ebp\n\t" | ||
| 61 | "lcall *%%cs:apm_bios_entry\n\t" | ||
| 62 | "setc %%bl\n\t" | ||
| 63 | "popl %%ebp\n\t" | ||
| 64 | "popl %%edi\n\t" | ||
| 65 | APM_DO_POP_SEGS | ||
| 66 | : "=a" (*eax), "=b" (error), "=c" (cx), "=d" (dx), | ||
| 67 | "=S" (si) | ||
| 68 | : "a" (func), "b" (ebx_in), "c" (ecx_in) | ||
| 69 | : "memory", "cc"); | ||
| 70 | return error; | ||
| 71 | } | ||
| 72 | |||
| 73 | #endif /* ASM_X86__MACH_DEFAULT__APM_H */ | ||