forked from Lainports/opnsense-ports
8cb1a96ede
Taken from: https://github.com/freebsd/freebsd-ports.git Commit id: 5070672073b68be364139bc6b3a89100bd17d331
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
--- rdmsr.c.orig 2011-09-15 15:39:28.000000000 -0700
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+++ rdmsr.c 2011-09-15 15:39:37.000000000 -0700
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@@ -18,8 +18,15 @@
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#include "x86info.h"
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#if defined(__FreeBSD__)
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+# include <sys/param.h>
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# include <sys/ioctl.h>
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-# include <cpu.h>
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+# if __FreeBSD_version < 701102
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+# define CPUDEV "/dev/cpu%d"
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+# include <cpu.h>
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+# else
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+# define CPUDEV "/dev/cpuctl%d"
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+# include <sys/cpuctl.h>
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+# endif
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#endif
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#if defined(__FreeBSD__)
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@@ -27,16 +34,18 @@
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int read_msr(int cpu, unsigned int idx, unsigned long long *val)
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{
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char cpuname[16];
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- unsigned char buffer[8];
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- unsigned long lo, hi;
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int fh;
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static int nodriver=0;
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+#if __FreeBSD_version < 701102
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cpu_msr_args_t args;
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+#else
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+ cpuctl_msr_args_t args;
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+#endif
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if (nodriver==1)
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return 0;
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- (void)snprintf(cpuname, sizeof(cpuname), "/dev/cpu%d", cpu);
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+ (void)snprintf(cpuname, sizeof(cpuname), CPUDEV, cpu);
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fh = open(cpuname, O_RDONLY);
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if (fh==-1) {
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@@ -46,7 +55,11 @@
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}
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args.msr = idx;
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- if (ioctl(fh, CPU_RDMSR, &args) != 0) {
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+#if __FreeBSD_version < 701102
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+ if (ioctl(fh, CPU_RDMSR, &args) != 0) {
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+#else
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+ if (ioctl(fh, CPUCTL_RDMSR, &args) != 0) {
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+#endif
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if (close(fh) == -1) {
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perror("close");
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exit(EXIT_FAILURE);
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