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x86_64: re-implement ml_halt_cpu() in pure assembly

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max 🍓
2023-02-05 10:27:29 +00:00
parent 2b2c5a24da
commit 72b2d8d525
2 changed files with 11 additions and 1 deletions
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8
arch/x86_64/cpu_ctrl.S Normal file
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@@ -0,0 +1,8 @@
.global ml_halt_cpu
.type ml_halt_cpu, @function
ml_halt_cpu:
1: cli
hlt
jmp 1b

4
arch/x86_64/include/socks/machine/cpu.h
View File

@@ -3,7 +3,6 @@
#include <arch/gdt.h> #include <arch/gdt.h>
#define ml_halt_cpu() asm volatile("cli;hlt")
typedef struct ml_cpu_block { typedef struct ml_cpu_block {
struct gdt c_gdt; struct gdt c_gdt;
@@ -15,4 +14,7 @@ extern int ml_init_bootcpu(void);
extern int ml_cpu_block_init(ml_cpu_block *p); extern int ml_cpu_block_init(ml_cpu_block *p);
extern int ml_cpu_block_use(ml_cpu_block *p); extern int ml_cpu_block_use(ml_cpu_block *p);
/* defined in cpu_ctrl.S */
extern void ml_halt_cpu(void);
#endif #endif