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target/sparc: Partition cpu features

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In the sparc32 binaries, do not advertise features only available
to sparc64, so they cannot be enabled.  In the sparc64 binaries,
do not advertise features mandatory in v9, so they cannot be disabled.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-10-22 16:05:15 -07:00
parent 5f25b383a8
commit 554abe47c7
1 changed files with 24 additions and 18 deletions
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42
target/sparc/cpu.c
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@ -546,14 +546,17 @@ static const sparc_def_t sparc_defs[] = {
/* This must match sparc_cpu_properties[]. */
static const char * const feature_name[] = {
[CPU_FEATURE_BIT_FLOAT128] = "float128",
[CPU_FEATURE_BIT_MUL] = "mul",
[CPU_FEATURE_BIT_DIV] = "div",
[CPU_FEATURE_BIT_VIS1] = "vis1",
[CPU_FEATURE_BIT_VIS2] = "vis2",
[CPU_FEATURE_BIT_FSMULD] = "fsmuld",
[CPU_FEATURE_BIT_HYPV] = "hypv",
#ifdef TARGET_SPARC64
[CPU_FEATURE_BIT_CMT] = "cmt",
[CPU_FEATURE_BIT_GL] = "gl",
[CPU_FEATURE_BIT_HYPV] = "hypv",
[CPU_FEATURE_BIT_VIS1] = "vis1",
[CPU_FEATURE_BIT_VIS2] = "vis2",
#else
[CPU_FEATURE_BIT_MUL] = "mul",
[CPU_FEATURE_BIT_DIV] = "div",
[CPU_FEATURE_BIT_FSMULD] = "fsmuld",
#endif
};
static void print_features(uint32_t features, const char *prefix)
@ -832,22 +835,25 @@ static PropertyInfo qdev_prop_nwindows = {
static Property sparc_cpu_properties[] = {
DEFINE_PROP_BIT("float128", SPARCCPU, env.def.features,
CPU_FEATURE_BIT_FLOAT128, false),
DEFINE_PROP_BIT("mul", SPARCCPU, env.def.features,
CPU_FEATURE_BIT_MUL, false),
DEFINE_PROP_BIT("div", SPARCCPU, env.def.features,
CPU_FEATURE_BIT_DIV, false),
DEFINE_PROP_BIT("vis1", SPARCCPU, env.def.features,
CPU_FEATURE_BIT_VIS1, false),
DEFINE_PROP_BIT("vis2", SPARCCPU, env.def.features,
CPU_FEATURE_BIT_VIS2, false),
DEFINE_PROP_BIT("fsmuld", SPARCCPU, env.def.features,
CPU_FEATURE_BIT_FSMULD, false),
DEFINE_PROP_BIT("hypv", SPARCCPU, env.def.features,
CPU_FEATURE_BIT_HYPV, false),
#ifdef TARGET_SPARC64
DEFINE_PROP_BIT("cmt", SPARCCPU, env.def.features,
CPU_FEATURE_BIT_CMT, false),
DEFINE_PROP_BIT("gl", SPARCCPU, env.def.features,
CPU_FEATURE_BIT_GL, false),
DEFINE_PROP_BIT("hypv", SPARCCPU, env.def.features,
CPU_FEATURE_BIT_HYPV, false),
DEFINE_PROP_BIT("vis1", SPARCCPU, env.def.features,
CPU_FEATURE_BIT_VIS1, false),
DEFINE_PROP_BIT("vis2", SPARCCPU, env.def.features,
CPU_FEATURE_BIT_VIS2, false),
#else
DEFINE_PROP_BIT("mul", SPARCCPU, env.def.features,
CPU_FEATURE_BIT_MUL, false),
DEFINE_PROP_BIT("div", SPARCCPU, env.def.features,
CPU_FEATURE_BIT_DIV, false),
DEFINE_PROP_BIT("fsmuld", SPARCCPU, env.def.features,
CPU_FEATURE_BIT_FSMULD, false),
#endif
DEFINE_PROP_UNSIGNED("iu-version", SPARCCPU, env.def.iu_version, 0,
qdev_prop_uint64, target_ulong),
DEFINE_PROP_UINT32("fpu-version", SPARCCPU, env.def.fpu_version, 0),