ngiddings
5efc389935
PCB is local to a process's address space. Context switches are written in assembly. Moved x86 headers to include/x86
18 lines
340 B
C
18 lines
340 B
C
#include "x86/msr.h"
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void read_msr(enum msr_id_t msr_addr, uint64_t *value)
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{
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uint64_t v;
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asm volatile("rdmsr"
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: "=edx:eax" (v)
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: "ecx" (msr_addr));
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*value = v;
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}
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void write_msr(enum msr_id_t msr_addr, uint64_t *value)
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{
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uint64_t v = *value;
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asm volatile("wrmsr"
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:: "ecx"(msr_addr), "A"(v));
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}
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