From 1979ae8c7215718c7a98f038bad0122034ad6529 Mon Sep 17 00:00:00 2001 From: Madhavan Srinivasan Date: Fri, 17 Jul 2020 10:38:18 -0400 Subject: powerpc/xmon: Add PowerISA v3.1 PMU SPRs PowerISA v3.1 added three new perfromance monitoring unit (PMU) speical purpose register (SPR). They are Monitor Mode Control Register 3 (MMCR3), Sampled Instruction Event Register 2 (SIER2), Sampled Instruction Event Register 3 (SIER3). Patch here adds a new dump function dump_310_sprs to print these SPR values. Signed-off-by: Madhavan Srinivasan Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/1594996707-3727-7-git-send-email-atrajeev@linux.vnet.ibm.com --- arch/powerpc/xmon/xmon.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'arch/powerpc/xmon') diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index d27944e38b04..f08b2ef1995a 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -2029,6 +2029,18 @@ static void dump_300_sprs(void) #endif } +static void dump_310_sprs(void) +{ +#ifdef CONFIG_PPC64 + if (!cpu_has_feature(CPU_FTR_ARCH_31)) + return; + + printf("mmcr3 = %.16lx, sier2 = %.16lx, sier3 = %.16lx\n", + mfspr(SPRN_MMCR3), mfspr(SPRN_SIER2), mfspr(SPRN_SIER3)); + +#endif +} + static void dump_one_spr(int spr, bool show_unimplemented) { unsigned long val; @@ -2083,6 +2095,7 @@ static void super_regs(void) dump_206_sprs(); dump_207_sprs(); dump_300_sprs(); + dump_310_sprs(); return; } -- cgit v1.2.3