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7188227: VM should recognize M-series SPARC

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Check kstat data for SPARC-M.

Reviewed-by: roland
This commit is contained in:
Vladimir Kozlov 2012-08-01 14:10:32 -07:00
parent 5e05a0d592
commit ebeff89a89
2 changed files with 19 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

13
hotspot/src/cpu/sparc/vm/vm_version_sparc.hpp
View file

@ -44,10 +44,11 @@ protected:
fmaf_instructions = 10,
fmau_instructions = 11,
vis3_instructions = 12,
sparc64_family = 13,
T_family = 14,
T1_model = 15,
cbcond_instructions = 16
cbcond_instructions = 13,
sparc64_family = 14,
M_family = 15,
T_family = 16,
T1_model = 17
};
enum Feature_Flag_Set {
@ -67,10 +68,11 @@ protected:
fmaf_instructions_m = 1 << fmaf_instructions,
fmau_instructions_m = 1 << fmau_instructions,
vis3_instructions_m = 1 << vis3_instructions,
cbcond_instructions_m = 1 << cbcond_instructions,
sparc64_family_m = 1 << sparc64_family,
M_family_m = 1 << M_family,
T_family_m = 1 << T_family,
T1_model_m = 1 << T1_model,
cbcond_instructions_m = 1 << cbcond_instructions,
generic_v8_m = v8_instructions_m | hardware_mul32_m | hardware_div32_m | hardware_fsmuld_m,
generic_v9_m = generic_v8_m | v9_instructions_m,
@ -89,6 +91,7 @@ protected:
static int platform_features(int features);
// Returns true if the platform is in the niagara line (T series)
static bool is_M_family(int features) { return (features & M_family_m) != 0; }
static bool is_T_family(int features) { return (features & T_family_m) != 0; }
static bool is_niagara() { return is_T_family(_features); }
DEBUG_ONLY( static bool is_niagara(int features) { return (features & sun4v_m) != 0; } )

12
hotspot/src/os_cpu/solaris_sparc/vm/vm_version_solaris_sparc.cpp
View file

@ -201,13 +201,23 @@ int VM_Version::platform_features(int features) {
impl[i] = (char)toupper((uint)impl[i]);
if (strstr(impl, "SPARC64") != NULL) {
features |= sparc64_family_m;
} else if (strstr(impl, "SPARC-M") != NULL) {
// M-series SPARC is based on T-series.
features |= (M_family_m | T_family_m);
} else if (strstr(impl, "SPARC-T") != NULL) {
features |= T_family_m;
if (strstr(impl, "SPARC-T1") != NULL) {
features |= T1_model_m;
}
} else {
assert(strstr(impl, "SPARC") != NULL, "should be sparc");
if (strstr(impl, "SPARC") == NULL) {
#ifndef PRODUCT
// kstat on Solaris 8 virtual machines (branded zones)
// returns "(unsupported)" implementation.
warning("kstat cpu_info implementation = '%s', should contain SPARC", impl);
#endif
implementation = "SPARC";
}
}
free((void*)impl);
break;