diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2021-08-19 13:06:52 +0200 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-08-31 15:58:58 +0000 |
| commit | 83eb22e3b1da42de2ce85a2d458fd1286237a745 (patch) | |
| tree | a55b11e74c916ee7f7aef24bf85be3dc0a298716 /src | |
| parent | c33dbc3a40842a0f77c85ee24336d0c0206d9332 (diff) | |
arch/x86: Implement cpu_info in C code
Change-Id: Ic7396b8429e29739e18a189dacea3a76e571cd58
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57049
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/include/arch/cpu.h | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/src/arch/x86/include/arch/cpu.h b/src/arch/x86/include/arch/cpu.h index bec190e618..f736a147fe 100644 --- a/src/arch/x86/include/arch/cpu.h +++ b/src/arch/x86/include/arch/cpu.h @@ -3,6 +3,7 @@ #ifndef ARCH_CPU_H #define ARCH_CPU_H +#include <stdint.h> #include <types.h> /* @@ -237,20 +238,9 @@ struct cpu_info { static inline struct cpu_info *cpu_info(void) { - struct cpu_info *ci; - __asm__( -#if ENV_X86_64 - "and %%rsp,%0; " - "or %2, %0 " -#else - "andl %%esp,%0; " - "orl %2, %0 " -#endif - : "=r" (ci) - : "0" (~(CONFIG_STACK_SIZE - 1)), - "r" (CONFIG_STACK_SIZE - sizeof(struct cpu_info)) - ); - return ci; + char s; + uintptr_t info = ALIGN_UP((uintptr_t)&s, CONFIG_STACK_SIZE) - sizeof(struct cpu_info); + return (struct cpu_info *)info; } struct cpuinfo_x86 { |