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powerpc/xmon: Add ISA v3.0 SPRs to SPR dump

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Add support for printing the PIDR/TIDR for ISA 300 and PSSCR and PTCR
in ISA 3.0 hypervisor mode.

SPRN_PSSCR_PR is the privileged mode access and is used when we are
not in hypervisor mode.

Signed-off-by: Balbir Singh <bsingharora@gmail.com>
[mpe: Split out of larger patch]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Balbir Singh 2017-08-30 21:45:09 +10:00 committed by Michael Ellerman
parent 64d66aa051
commit d1e1b351f5
2 changed files with 24 additions and 0 deletions
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1
arch/powerpc/include/asm/reg.h
View File

@ -356,6 +356,7 @@
#define SPRN_PMSR 0x355 /* Power Management Status Reg */ #define SPRN_PMSR 0x355 /* Power Management Status Reg */
#define SPRN_PMMAR 0x356 /* Power Management Memory Activity Register */ #define SPRN_PMMAR 0x356 /* Power Management Memory Activity Register */
#define SPRN_PSSCR 0x357 /* Processor Stop Status and Control Register (ISA 3.0) */ #define SPRN_PSSCR 0x357 /* Processor Stop Status and Control Register (ISA 3.0) */
#define SPRN_PSSCR_PR 0x337 /* PSSCR ISA 3.0, privileged mode access */
#define SPRN_PMCR 0x374 /* Power Management Control Register */ #define SPRN_PMCR 0x374 /* Power Management Control Register */
/* HFSCR and FSCR bit numbers are the same */ /* HFSCR and FSCR bit numbers are the same */

23
arch/powerpc/xmon/xmon.c
View File

@ -1807,6 +1807,28 @@ static void dump_207_sprs(void)
#endif #endif
} }
static void dump_300_sprs(void)
{
#ifdef CONFIG_PPC64
bool hv = mfmsr() & MSR_HV;
if (!cpu_has_feature(CPU_FTR_ARCH_300))
return;
printf("pidr = %.16lx tidr = %.16lx\n",
mfspr(SPRN_PID), mfspr(SPRN_TIDR));
printf("asdr = %.16lx psscr = %.16lx\n",
mfspr(SPRN_ASDR), hv ? mfspr(SPRN_PSSCR)
: mfspr(SPRN_PSSCR_PR));
if (!hv)
return;
printf("ptcr = %.16lx\n",
mfspr(SPRN_PTCR));
#endif
}
static void dump_one_spr(int spr, bool show_unimplemented) static void dump_one_spr(int spr, bool show_unimplemented)
{ {
unsigned long val; unsigned long val;
@ -1860,6 +1882,7 @@ static void super_regs(void)
dump_206_sprs(); dump_206_sprs();
dump_207_sprs(); dump_207_sprs();
dump_300_sprs();
return; return;
} }