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https://github.com/SebastianWendel/nixpkgs.git
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39 lines
1 KiB
Diff
39 lines
1 KiB
Diff
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From 705916007fba0a845229a02dc6474cb523eff150 Mon Sep 17 00:00:00 2001
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From: David Schleef <ds@schleef.org>
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Date: Tue, 20 Jul 2010 21:05:26 +0000
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Subject: x86: Fix cpuid function on x86-64
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Fixes: #28956.
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---
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diff --git a/liboil/liboilcpu-x86.c b/liboil/liboilcpu-x86.c
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index e7a1978..ef4d3f2 100644
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--- a/liboil/liboilcpu-x86.c
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+++ b/liboil/liboilcpu-x86.c
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@@ -162,13 +162,10 @@ get_cpuid (uint32_t op, uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d)
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static void
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get_cpuid (uint32_t op, uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d)
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{
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+ *a = op;
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__asm__ (
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- " pushq %%rbx\n"
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" cpuid\n"
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- " mov %%ebx, %%esi\n"
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- " popq %%rbx\n"
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- : "=a" (*a), "=S" (*b), "=c" (*c), "=d" (*d)
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- : "0" (op));
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+ : "+a" (*a), "=b" (*b), "=c" (*c), "=d" (*d));
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}
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#endif
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@@ -185,7 +182,7 @@ oil_cpu_detect_cpuid (void)
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{
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uint32_t eax, ebx, ecx, edx;
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uint32_t level;
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- char vendor[13] = { 0 };
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+ char vendor[13+4] = { 0 };
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int ret;
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oil_fault_check_enable ();
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--
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cgit v0.9.0.2-2-gbebe
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