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[Qemu-devel] [RFC PATCH v4 15/75] target/i386: introduce function check_
From: |
Jan Bobek |
Subject: |
[Qemu-devel] [RFC PATCH v4 15/75] target/i386: introduce function check_cpuid |
Date: |
Wed, 21 Aug 2019 13:28:51 -0400 |
Introduce a helper function to take care of instruction CPUID checks.
Signed-off-by: Jan Bobek <address@hidden>
---
target/i386/translate.c | 62 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 62 insertions(+)
diff --git a/target/i386/translate.c b/target/i386/translate.c
index 467ecf15ba..3e54443d99 100644
--- a/target/i386/translate.c
+++ b/target/i386/translate.c
@@ -4516,6 +4516,68 @@ static void gen_sse(CPUX86State *env, DisasContext *s,
int b)
#define gen_gvec_cmp(dofs, aofs, bofs, oprsz, maxsz, vece, cond) \
tcg_gen_gvec_cmp(cond, vece, dofs, aofs, bofs, oprsz, maxsz)
+typedef enum {
+ CHECK_CPUID_MMX = 1,
+ CHECK_CPUID_3DNOW,
+ CHECK_CPUID_SSE,
+ CHECK_CPUID_SSE2,
+ CHECK_CPUID_CLFLUSH,
+ CHECK_CPUID_SSE3,
+ CHECK_CPUID_SSSE3,
+ CHECK_CPUID_SSE4_1,
+ CHECK_CPUID_SSE4_2,
+ CHECK_CPUID_SSE4A,
+ CHECK_CPUID_AES,
+ CHECK_CPUID_PCLMULQDQ,
+ CHECK_CPUID_AVX,
+ CHECK_CPUID_AES_AVX,
+ CHECK_CPUID_PCLMULQDQ_AVX,
+ CHECK_CPUID_AVX2,
+} CheckCpuidFeat;
+
+static bool check_cpuid(CPUX86State *env, DisasContext *s, CheckCpuidFeat feat)
+{
+ switch (feat) {
+ case CHECK_CPUID_MMX:
+ return (s->cpuid_features & CPUID_MMX)
+ && (s->cpuid_ext2_features & CPUID_EXT2_MMX);
+ case CHECK_CPUID_3DNOW:
+ return s->cpuid_ext2_features & CPUID_EXT2_3DNOW;
+ case CHECK_CPUID_SSE:
+ return s->cpuid_features & CPUID_SSE;
+ case CHECK_CPUID_SSE2:
+ return s->cpuid_features & CPUID_SSE2;
+ case CHECK_CPUID_CLFLUSH:
+ return s->cpuid_features & CPUID_CLFLUSH;
+ case CHECK_CPUID_SSE3:
+ return s->cpuid_ext_features & CPUID_EXT_SSE3;
+ case CHECK_CPUID_SSSE3:
+ return s->cpuid_ext_features & CPUID_EXT_SSSE3;
+ case CHECK_CPUID_SSE4_1:
+ return s->cpuid_ext_features & CPUID_EXT_SSE41;
+ case CHECK_CPUID_SSE4_2:
+ return s->cpuid_ext_features & CPUID_EXT_SSE42;
+ case CHECK_CPUID_SSE4A:
+ return s->cpuid_ext3_features & CPUID_EXT3_SSE4A;
+ case CHECK_CPUID_AES:
+ return s->cpuid_ext_features & CPUID_EXT_AES;
+ case CHECK_CPUID_PCLMULQDQ:
+ return s->cpuid_ext_features & CPUID_EXT_PCLMULQDQ;
+ case CHECK_CPUID_AVX:
+ return s->cpuid_ext_features & CPUID_EXT_AVX;
+ case CHECK_CPUID_AES_AVX:
+ return (s->cpuid_ext_features & CPUID_EXT_AES)
+ && (s->cpuid_ext_features & CPUID_EXT_AVX);
+ case CHECK_CPUID_PCLMULQDQ_AVX:
+ return (s->cpuid_ext_features & CPUID_EXT_PCLMULQDQ)
+ && (s->cpuid_ext_features & CPUID_EXT_AVX);
+ case CHECK_CPUID_AVX2:
+ return s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_AVX2;
+ default:
+ g_assert_not_reached();
+ }
+}
+
static void gen_sse_ng(CPUX86State *env, DisasContext *s, int b)
{
enum {
--
2.20.1
- [Qemu-devel] [RFC PATCH v4 10/75] target/i386: add vector register file alignment constraints, (continued)
- [Qemu-devel] [RFC PATCH v4 10/75] target/i386: add vector register file alignment constraints, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 09/75] target/i386: make variable is_xmm const, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 12/75] target/i386: introduce CASES_* macros in gen_sse_ng, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 05/75] target/i386: introduce disas_insn_prefix, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 13/75] target/i386: decode the 0F38/0F3A prefix in gen_sse_ng, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 06/75] target/i386: Simplify gen_exception arguments, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 08/75] target/i386: make variable b1 const, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 07/75] target/i386: use pc_start from DisasContext, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 16/75] target/i386: disable AVX/AVX2 cpuid bitchecks, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 14/75] target/i386: introduce aliases for some tcg_gvec operations, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 15/75] target/i386: introduce function check_cpuid,
Jan Bobek <=
- [Qemu-devel] [RFC PATCH v4 19/75] target/i386: introduce generic either-or operand, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 22/75] target/i386: introduce modrm operand, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 24/75] target/i386: introduce operand for direct-only r/m field, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 18/75] target/i386: introduce generic operand alias, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 20/75] target/i386: introduce generic load-store operand, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 21/75] target/i386: introduce tcg register operands, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 17/75] target/i386: introduce instruction operand infrastructure, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 27/75] target/i386: introduce G*, R*, E* (general register) operands, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 23/75] target/i386: introduce operands for decoding modrm fields, Jan Bobek, 2019/08/21
- [Qemu-devel] [RFC PATCH v4 25/75] target/i386: introduce Ib (immediate) operand, Jan Bobek, 2019/08/21