diff options
Diffstat (limited to 'sys/dev/hwpmc/hwpmc_arm64.c')
| -rw-r--r-- | sys/dev/hwpmc/hwpmc_arm64.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/sys/dev/hwpmc/hwpmc_arm64.c b/sys/dev/hwpmc/hwpmc_arm64.c index 2618a889e86f..4ae8645abaf6 100644 --- a/sys/dev/hwpmc/hwpmc_arm64.c +++ b/sys/dev/hwpmc/hwpmc_arm64.c @@ -479,11 +479,12 @@ pmc_arm64_initialize() { struct pmc_mdep *pmc_mdep; struct pmc_classdep *pcd; - int idcode; + int idcode, impcode; int reg; reg = arm64_pmcr_read(); arm64_npmcs = (reg & PMCR_N_MASK) >> PMCR_N_SHIFT; + impcode = (reg & PMCR_IMP_MASK) >> PMCR_IMP_SHIFT; idcode = (reg & PMCR_IDCODE_MASK) >> PMCR_IDCODE_SHIFT; PMCDBG1(MDP, INI, 1, "arm64-init npmcs=%d", arm64_npmcs); @@ -498,13 +499,24 @@ pmc_arm64_initialize() /* Just one class */ pmc_mdep = pmc_mdep_alloc(1); - switch (idcode) { - case PMCR_IDCODE_CORTEX_A57: - case PMCR_IDCODE_CORTEX_A72: - pmc_mdep->pmd_cputype = PMC_CPU_ARMV8_CORTEX_A57; + switch(impcode) { + case PMCR_IMP_ARM: + switch (idcode) { + case PMCR_IDCODE_CORTEX_A76: + case PMCR_IDCODE_NEOVERSE_N1: + pmc_mdep->pmd_cputype = PMC_CPU_ARMV8_CORTEX_A76; + break; + case PMCR_IDCODE_CORTEX_A57: + case PMCR_IDCODE_CORTEX_A72: + pmc_mdep->pmd_cputype = PMC_CPU_ARMV8_CORTEX_A57; + break; + default: + case PMCR_IDCODE_CORTEX_A53: + pmc_mdep->pmd_cputype = PMC_CPU_ARMV8_CORTEX_A53; + break; + } break; default: - case PMCR_IDCODE_CORTEX_A53: pmc_mdep->pmd_cputype = PMC_CPU_ARMV8_CORTEX_A53; break; } |