qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH 3/5] i386: cpu: replace EXT2_FEATURE_MASK with C


From: Don Slutz
Subject: Re: [Qemu-devel] [PATCH 3/5] i386: cpu: replace EXT2_FEATURE_MASK with CPUID_EXT2_AMD_ALIASES
Date: Tue, 11 Sep 2012 15:53:01 -0400
User-agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:15.0) Gecko/20120824 Thunderbird/15.0


On 09/06/12 16:05, Eduardo Habkost wrote:
Both constants have the same value, but CPUID_EXT2_AMD_ALIASES is
defined without using magic numbers.

Signed-off-by: Eduardo Habkost <address@hidden>
---
  target-i386/cpu.c | 20 +++++++++++---------
  1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 7c0953f..682895b 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -258,7 +258,6 @@ typedef struct x86_def_t {
            CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
            CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
            CPUID_PAE | CPUID_SEP | CPUID_APIC)
-#define EXT2_FEATURE_MASK 0x0183F3FF
#define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \
            CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \
@@ -276,7 +275,7 @@ typedef struct x86_def_t {
            /* missing:
            CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_EST,
            CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_XSAVE */
-#define TCG_EXT2_FEATURES ((TCG_FEATURES & EXT2_FEATURE_MASK) | \
+#define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
            CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
            CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT)
            /* missing:
@@ -305,7 +304,7 @@ static x86_def_t builtin_x86_defs[] = {
              CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
              CPUID_PSE36,
          .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_CX16 | CPUID_EXT_POPCNT,
-        .ext2_features = (PPRO_FEATURES & EXT2_FEATURE_MASK) |
+        .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
              CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
          .ext3_features = CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
              CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
@@ -325,7 +324,7 @@ static x86_def_t builtin_x86_defs[] = {
              CPUID_PSE36 | CPUID_VME | CPUID_HT,
          .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 |
              CPUID_EXT_POPCNT,
-        .ext2_features = (PPRO_FEATURES & EXT2_FEATURE_MASK) |
+        .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
              CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX |
              CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT |
              CPUID_EXT2_FFXSR | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP,
@@ -373,7 +372,7 @@ static x86_def_t builtin_x86_defs[] = {
          /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
          .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_CX16,
          /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
-        .ext2_features = (PPRO_FEATURES & EXT2_FEATURE_MASK) |
+        .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
              CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
          /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, 
CPUID_EXT3_EXTAPIC,
                      CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
@@ -402,7 +401,7 @@ static x86_def_t builtin_x86_defs[] = {
          .features = PPRO_FEATURES |
              CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_PSE36,
          .ext_features = CPUID_EXT_SSE3,
-        .ext2_features = PPRO_FEATURES & EXT2_FEATURE_MASK,
+        .ext2_features = PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES,
          .ext3_features = 0,
          .xlevel = 0x80000008,
          .model_id = "Common 32-bit KVM processor"
@@ -467,8 +466,10 @@ static x86_def_t builtin_x86_defs[] = {
          .family = 6,
          .model = 2,
          .stepping = 3,
-        .features = PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR | 
CPUID_MCA,
-        .ext2_features = (PPRO_FEATURES & EXT2_FEATURE_MASK) | 
CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT,
+        .features = PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR |
+            CPUID_MCA,
+        .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
+            CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT,
          .xlevel = 0x80000008,
      },
      {
@@ -484,7 +485,8 @@ static x86_def_t builtin_x86_defs[] = {
              /* Some CPUs got no CPUID_SEP */
          .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
              CPUID_EXT_DSCPL | CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR,
-        .ext2_features = (PPRO_FEATURES & EXT2_FEATURE_MASK) | CPUID_EXT2_NX,
+        .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
+            CPUID_EXT2_NX,
          .ext3_features = CPUID_EXT3_LAHF_LM,
          .xlevel = 0x8000000A,
          .model_id = "Intel(R) Atom(TM) CPU N270   @ 1.60GHz",
Reviewed-by: Don Slutz <address@hidden>




reply via email to

[Prev in Thread] Current Thread [Next in Thread]