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| author | H. Peter Anvin <hpa@zytor.com> | 2007-07-11 21:18:29 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-12 19:55:54 +0200 |
| commit | ec481536b15eb0520d8f0204b0294480050fe1f8 (patch) | |
| tree | 3f959a26ca58477734ea1e4d5370b2d3a33a1680 /arch/i386 | |
| parent | include/asm-i386/boot.h: This is <asm/boot.h>, not <linux/boot.h> (diff) | |
| download | linux-ec481536b15eb0520d8f0204b0294480050fe1f8.tar.xz linux-ec481536b15eb0520d8f0204b0294480050fe1f8.zip | |
Unify the CPU features vectors between i386 and x86-64
Unify the handling of the CPU features vectors between i386 and x86-64.
This also adopts the collapsing of features which are required at
compile-time into constant tests from x86-64 to i386.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/i386')
| -rw-r--r-- | arch/i386/kernel/cpu/proc.c | 15 | ||||
| -rw-r--r-- | arch/i386/kernel/verify_cpu.S | 12 |
2 files changed, 15 insertions, 12 deletions
diff --git a/arch/i386/kernel/cpu/proc.c b/arch/i386/kernel/cpu/proc.c index 89d91e6cc972..ed73091d3dd0 100644 --- a/arch/i386/kernel/cpu/proc.c +++ b/arch/i386/kernel/cpu/proc.c @@ -29,7 +29,8 @@ static int show_cpuinfo(struct seq_file *m, void *v) NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "syscall", NULL, NULL, NULL, NULL, NULL, NULL, NULL, "mp", "nx", NULL, "mmxext", NULL, - NULL, "fxsr_opt", "pdpe1gb", "rdtscp", NULL, "lm", "3dnowext", "3dnow", + NULL, "fxsr_opt", "pdpe1gb", "rdtscp", NULL, "lm", + "3dnowext", "3dnow", /* Transmeta-defined */ "recovery", "longrun", NULL, "lrti", NULL, NULL, NULL, NULL, @@ -40,8 +41,9 @@ static int show_cpuinfo(struct seq_file *m, void *v) /* Other (Linux-defined) */ "cxmmx", "k6_mtrr", "cyrix_arr", "centaur_mcr", NULL, NULL, NULL, NULL, - "constant_tsc", "up", NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + "constant_tsc", "up", NULL, "arch_perfmon", + "pebs", "bts", NULL, "sync_rdtsc", + "rep_good", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* Intel-defined (#2) */ @@ -57,9 +59,10 @@ static int show_cpuinfo(struct seq_file *m, void *v) NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* AMD-defined (#2) */ - "lahf_lm", "cmp_legacy", "svm", "extapic", "cr8legacy", "abm", - "sse4a", "misalignsse", - "3dnowprefetch", "osvw", "ibs", NULL, NULL, NULL, NULL, NULL, + "lahf_lm", "cmp_legacy", "svm", "extapic", "cr8_legacy", + "altmovcr8", "abm", "sse4a", + "misalignsse", "3dnowprefetch", + "osvw", "ibs", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, }; diff --git a/arch/i386/kernel/verify_cpu.S b/arch/i386/kernel/verify_cpu.S index f1d1eacf4ab0..3efc5c137d14 100644 --- a/arch/i386/kernel/verify_cpu.S +++ b/arch/i386/kernel/verify_cpu.S @@ -20,7 +20,7 @@ verify_cpu: testl $(1<<18),%eax jz bad #endif -#if REQUIRED_MASK1 != 0 +#if REQUIRED_MASK0 != 0 pushfl # standard way to check for cpuid popl %eax movl %eax,%ebx @@ -39,14 +39,14 @@ verify_cpu: pushfl popl %eax cmpl %eax,%ebx - jz bad # REQUIRED_MASK1 != 0 requires CPUID + jz bad # REQUIRED_MASK0 != 0 requires CPUID movl $0x0,%eax # See if cpuid 1 is implemented cpuid cmpl $0x1,%eax jb bad # no cpuid 1 -#if REQUIRED_MASK1 & NEED_CMPXCHG64 +#if REQUIRED_MASK0 & NEED_CMPXCHG64 /* Some VIA C3s need magic MSRs to enable CX64. Do this here */ cmpl $0x746e6543,%ebx # Cent jne 1f @@ -79,10 +79,10 @@ verify_cpu: #error add proper model checking here #endif - andl $REQUIRED_MASK1,%edx - xorl $REQUIRED_MASK1,%edx + andl $REQUIRED_MASK0,%edx + xorl $REQUIRED_MASK0,%edx jnz bad -#endif /* REQUIRED_MASK1 */ +#endif /* REQUIRED_MASK0 */ popfl xor %eax,%eax |