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msrtool: Linux /dev/cpu/*/msr returns the low 32 bits before the high 32 bits. 

Thanks to Mart for spotting this!

Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Peter Stuge <peter@stuge.se>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3920 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Peter Stuge 2009-01-26 17:03:05 +00:00
parent a8866243d8
commit c1d6ed9a21
1 changed files with 4 additions and 1 deletions
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5
util/msrtool/linux.c
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@ -76,13 +76,16 @@ int linux_close(uint8_t cpu) {
} }
int linux_rdmsr(uint8_t cpu, uint32_t addr, struct msr *val) { int linux_rdmsr(uint8_t cpu, uint32_t addr, struct msr *val) {
struct msr tmp;
if (lseek(msr_fd[cpu], addr, SEEK_SET) == -1) { if (lseek(msr_fd[cpu], addr, SEEK_SET) == -1) {
SYSERROR(lseek, addr); SYSERROR(lseek, addr);
return 0; return 0;
} }
if (read(msr_fd[cpu], val, 8) != 8) { if (read(msr_fd[cpu], &tmp, 8) != 8) {
SYSERROR(read, addr); SYSERROR(read, addr);
return 0; return 0;
} }
val->hi = tmp.lo;
val->lo = tmp.hi;
return 1; return 1;
} }