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
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@ -76,13 +76,16 @@ int linux_close(uint8_t cpu) {
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}
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int linux_rdmsr(uint8_t cpu, uint32_t addr, struct msr *val) {
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struct msr tmp;
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if (lseek(msr_fd[cpu], addr, SEEK_SET) == -1) {
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SYSERROR(lseek, addr);
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return 0;
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}
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if (read(msr_fd[cpu], val, 8) != 8) {
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if (read(msr_fd[cpu], &tmp, 8) != 8) {
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SYSERROR(read, addr);
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return 0;
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}
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val->hi = tmp.lo;
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val->lo = tmp.hi;
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return 1;
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}
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