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Bring CPU features list in line with the ABI requirements.

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MFC after:	1 week
This commit is contained in:
Nathan Whitehorn 2016-01-02 18:15:10 +00:00
parent 86c94d24fa
commit b0bf7fcd29
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=293052
3 changed files with 77 additions and 45 deletions
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2
sys/powerpc/booke/booke_machdep.c
View File

@ -211,6 +211,8 @@ void
booke_cpu_init(void)
{
cpu_features |= PPC_FEATURE_BOOKE;
pmap_mmu_install(MMU_TYPE_BOOKE, BUS_PROBE_GENERIC);
}

19
sys/powerpc/include/cpu.h
View File

@ -48,19 +48,32 @@
*/
extern int cpu_features;
extern int cpu_features2;
#define PPC_FEATURE_32 0x80000000 /* Always true */
#define PPC_FEATURE_64 0x40000000 /* Defined on a 64-bit CPU */
#define PPC_FEATURE_HAS_ALTIVEC 0x10000000
#define PPC_FEATURE_HAS_FPU 0x08000000
#define PPC_FEATURE_HAS_MMU 0x04000000
#define PPC_FEATURE_UNIFIED_CACHE 0x01000000
#define PPC_FEATURE_HAS_VSX 0x00000080
#define PPC_FEATURE_UNIFIED_CACHE 0x01000000
#define PPC_FEATURE_BOOKE 0x00008000
#define PPC_FEATURE_SMT 0x00004000
#define PPC_FEATURE_ARCH_2_05 0x00001000
#define PPC_FEATURE_HAS_DFP 0x00000400
#define PPC_FEATURE_ARCH_2_06 0x00000100
#define PPC_FEATURE_HAS_VSX 0x00000080
#define PPC_FEATURE2_ARCH_2_07 0x80000000
#define PPC_FEATURE2_HAS_HTM 0x40000000
#define PPC_FEATURE2_HAS_VCRYPTO 0x02000000
#define PPC_FEATURE_BITMASK \
"\20" \
"\040PPC32\037PPC64\035ALTIVEC\034FPU\033MMU\031UNIFIEDCACHE" \
"\010VSX"
"\020BOOKE\017SMT\015ARCH205\013DFP\011ARCH206\010VSX"
#define PPC_FEATURE2_BITMASK \
"\20" \
"\040ARCH207\037HTM\032VCRYPTO"
#define TRAPF_USERMODE(frame) (((frame)->srr1 & PSL_PR) != 0)
#define TRAPF_PC(frame) ((frame)->srr0)

101
sys/powerpc/powerpc/cpu.c
View File

@ -91,6 +91,7 @@ struct cputab {
uint16_t revfmt;
int features; /* Do not include PPC_FEATURE_32 or
* PPC_FEATURE_HAS_MMU */
int features2;
void (*cpu_setup)(int cpuid, uint16_t vers);
};
#define REVFMT_MAJMIN 1 /* %u.%u */
@ -98,93 +99,102 @@ struct cputab {
#define REVFMT_DEC 3 /* %u */
static const struct cputab models[] = {
{ "Motorola PowerPC 601", MPC601, REVFMT_DEC,
PPC_FEATURE_HAS_FPU | PPC_FEATURE_UNIFIED_CACHE, cpu_6xx_setup },
PPC_FEATURE_HAS_FPU | PPC_FEATURE_UNIFIED_CACHE, 0, cpu_6xx_setup },
{ "Motorola PowerPC 602", MPC602, REVFMT_DEC,
PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "Motorola PowerPC 603", MPC603, REVFMT_MAJMIN,
PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "Motorola PowerPC 603e", MPC603e, REVFMT_MAJMIN,
PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "Motorola PowerPC 603ev", MPC603ev, REVFMT_MAJMIN,
PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "Motorola PowerPC 604", MPC604, REVFMT_MAJMIN,
PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "Motorola PowerPC 604ev", MPC604ev, REVFMT_MAJMIN,
PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "Motorola PowerPC 620", MPC620, REVFMT_HEX,
PPC_FEATURE_64 | PPC_FEATURE_HAS_FPU, NULL },
PPC_FEATURE_64 | PPC_FEATURE_HAS_FPU, 0, NULL },
{ "Motorola PowerPC 750", MPC750, REVFMT_MAJMIN,
PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "IBM PowerPC 750FX", IBM750FX, REVFMT_MAJMIN,
PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "IBM PowerPC 970", IBM970, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU,
cpu_970_setup },
0, cpu_970_setup },
{ "IBM PowerPC 970FX", IBM970FX, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU,
cpu_970_setup },
0, cpu_970_setup },
{ "IBM PowerPC 970GX", IBM970GX, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU,
cpu_970_setup },
0, cpu_970_setup },
{ "IBM PowerPC 970MP", IBM970MP, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU,
cpu_970_setup },
0, cpu_970_setup },
{ "IBM POWER4", IBMPOWER4, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_FPU, NULL },
PPC_FEATURE_64 | PPC_FEATURE_HAS_FPU, 0, NULL },
{ "IBM POWER4+", IBMPOWER4PLUS, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_FPU, NULL },
PPC_FEATURE_64 | PPC_FEATURE_HAS_FPU, 0, NULL },
{ "IBM POWER5", IBMPOWER5, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_FPU, NULL },
PPC_FEATURE_64 | PPC_FEATURE_HAS_FPU | PPC_FEATURE_SMT, 0, NULL },
{ "IBM POWER5+", IBMPOWER5PLUS, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_FPU, NULL },
PPC_FEATURE_64 | PPC_FEATURE_HAS_FPU | PPC_FEATURE_SMT, 0, NULL },
{ "IBM POWER6", IBMPOWER6, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU,
NULL },
PPC_FEATURE_64 | PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU |
PPC_FEATURE_SMT | PPC_FEATURE_ARCH_2_05, 0, NULL },
{ "IBM POWER7", IBMPOWER7, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU |
PPC_FEATURE_HAS_VSX, NULL },
PPC_FEATURE_SMT | PPC_FEATURE_ARCH_2_05 | PPC_FEATURE_ARCH_2_06 |
PPC_FEATURE_HAS_VSX, 0, NULL },
{ "IBM POWER7+", IBMPOWER7PLUS, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU |
PPC_FEATURE_HAS_VSX, NULL },
PPC_FEATURE_SMT | PPC_FEATURE_ARCH_2_05 | PPC_FEATURE_ARCH_2_06 |
PPC_FEATURE_HAS_VSX, 0, NULL },
{ "IBM POWER8E", IBMPOWER8E, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU |
PPC_FEATURE_HAS_VSX, NULL },
PPC_FEATURE_SMT | PPC_FEATURE_ARCH_2_05 | PPC_FEATURE_ARCH_2_06 |
PPC_FEATURE_HAS_VSX,
PPC_FEATURE2_ARCH_2_07 | PPC_FEATURE2_HAS_HTM |
PPC_FEATURE2_HAS_VCRYPTO, NULL },
{ "IBM POWER8", IBMPOWER8, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU |
PPC_FEATURE_HAS_VSX, NULL },
PPC_FEATURE_SMT | PPC_FEATURE_ARCH_2_05 | PPC_FEATURE_ARCH_2_06 |
PPC_FEATURE_HAS_VSX,
PPC_FEATURE2_ARCH_2_07 | PPC_FEATURE2_HAS_HTM |
PPC_FEATURE2_HAS_VCRYPTO, NULL },
{ "Motorola PowerPC 7400", MPC7400, REVFMT_MAJMIN,
PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "Motorola PowerPC 7410", MPC7410, REVFMT_MAJMIN,
PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "Motorola PowerPC 7450", MPC7450, REVFMT_MAJMIN,
PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "Motorola PowerPC 7455", MPC7455, REVFMT_MAJMIN,
PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "Motorola PowerPC 7457", MPC7457, REVFMT_MAJMIN,
PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "Motorola PowerPC 7447A", MPC7447A, REVFMT_MAJMIN,
PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "Motorola PowerPC 7448", MPC7448, REVFMT_MAJMIN,
PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "Motorola PowerPC 8240", MPC8240, REVFMT_MAJMIN,
PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "Motorola PowerPC 8245", MPC8245, REVFMT_MAJMIN,
PPC_FEATURE_HAS_FPU, cpu_6xx_setup },
PPC_FEATURE_HAS_FPU, 0, cpu_6xx_setup },
{ "Freescale e500v1 core", FSL_E500v1, REVFMT_MAJMIN,
0, cpu_booke_setup },
PPC_FEATURE_BOOKE, 0, cpu_booke_setup },
{ "Freescale e500v2 core", FSL_E500v2, REVFMT_MAJMIN,
0, cpu_booke_setup },
PPC_FEATURE_BOOKE, 0, cpu_booke_setup },
{ "Freescale e500mc core", FSL_E500mc, REVFMT_MAJMIN,
PPC_FEATURE_HAS_FPU, cpu_booke_setup },
PPC_FEATURE_BOOKE | PPC_FEATURE_HAS_FPU, 0, cpu_booke_setup },
{ "Freescale e5500 core", FSL_E5500, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_FPU, cpu_booke_setup },
{ "Freescale e6500 core", FSL_E6500, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU,
PPC_FEATURE_BOOKE | PPC_FEATURE_64 | PPC_FEATURE_HAS_FPU, 0,
cpu_booke_setup },
{ "Freescale e6500 core", FSL_E6500, REVFMT_MAJMIN,
PPC_FEATURE_BOOKE | PPC_FEATURE_64 | PPC_FEATURE_HAS_ALTIVEC |
PPC_FEATURE_HAS_FPU, 0, cpu_booke_setup },
{ "IBM Cell Broadband Engine", IBMCELLBE, REVFMT_MAJMIN,
PPC_FEATURE_64 | PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU,
NULL},
{ "Unknown PowerPC CPU", 0, REVFMT_HEX, 0, NULL },
PPC_FEATURE_64 | PPC_FEATURE_HAS_ALTIVEC | PPC_FEATURE_HAS_FPU |
PPC_FEATURE_SMT, 0, NULL},
{ "Unknown PowerPC CPU", 0, REVFMT_HEX, 0, 0, NULL },
};
static void cpu_6xx_print_cacheinfo(u_int, uint16_t);
@ -194,8 +204,11 @@ static char model[64];
SYSCTL_STRING(_hw, HW_MODEL, model, CTLFLAG_RD, model, 0, "");
int cpu_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU;
int cpu_features2 = 0;
SYSCTL_OPAQUE(_hw, OID_AUTO, cpu_features, CTLFLAG_RD,
&cpu_features, sizeof(cpu_features), "IX", "PowerPC CPU features");
SYSCTL_OPAQUE(_hw, OID_AUTO, cpu_features2, CTLFLAG_RD,
&cpu_features2, sizeof(cpu_features2), "IX", "PowerPC CPU features 2");
/* Provide some user-friendly aliases for bits in cpu_features */
SYSCTL_PROC(_hw, OID_AUTO, floatingpoint, CTLTYPE_INT | CTLFLAG_RD,
@ -265,8 +278,12 @@ cpu_setup(u_int cpuid)
printf("\n");
cpu_features |= cp->features;
cpu_features2 |= cp->features2;
printf("cpu%d: Features %b\n", cpuid, cpu_features,
PPC_FEATURE_BITMASK);
if (cpu_features2 != 0)
printf("cpu%d: Features2 %b\n", cpuid, cpu_features2,
PPC_FEATURE2_BITMASK);
/*
* Configure CPU