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Fixed inline assembly constraints in msr.c

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This commit is contained in:
Nathan Giddings
2023-03-03 04:51:20 -06:00
parent 60775ee007
commit f8cfca588e
1 changed files with 3 additions and 3 deletions
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6
src/x86/msr.c
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@@ -4,8 +4,8 @@ void read_msr(enum msr_id_t msr_addr, uint64_t *value)
{ {
uint64_t v; uint64_t v;
asm volatile("rdmsr" asm volatile("rdmsr"
: "=edx:eax" (v) : "=A" (v)
: "ecx" (msr_addr)); : "c" (msr_addr));
*value = v; *value = v;
} }
@@ -13,5 +13,5 @@ void write_msr(enum msr_id_t msr_addr, uint64_t *value)
{ {
uint64_t v = *value; uint64_t v = *value;
asm volatile("wrmsr" asm volatile("wrmsr"
:: "ecx"(msr_addr), "A"(v)); :: "c"(msr_addr), "A"(v));
} }