diff --git a/sys/powerpc/include/spr.h b/sys/powerpc/include/spr.h index 5bb3858b0fb..605b1be194d 100644 --- a/sys/powerpc/include/spr.h +++ b/sys/powerpc/include/spr.h @@ -162,6 +162,11 @@ #define FSCR_DSCR 0x0000000000000004 /* DSCR available in PR state */ #define SPR_UAMOR 0x09d /* User Authority Mask Override Register */ #define SPR_DPDES 0x0b0 /* .6. Directed Privileged Doorbell Exception State Register */ +#define SPR_HFSCR 0xbe /* Hypervisor Facility Status and Control Register */ +#define HFSCR_BHRB 0x0000000000000010 /* BHRB instructions */ +#define HFSCR_PM 0x0000000000000008 /* Performance monitor SPRs */ +#define HFSCR_VECVSX 0x0000000000000002 /* Vector and VSX facilities */ +#define HFSCR_FP 0x0000000000000001 /* Floating Point facility */ #define SPR_USPRG0 0x100 /* 4.8 User SPR General 0 */ #define SPR_VRSAVE 0x100 /* .6. AltiVec VRSAVE */ #define SPR_SPRG0 0x110 /* 468 SPR General 0 */ diff --git a/sys/powerpc/powernv/platform_powernv.c b/sys/powerpc/powernv/platform_powernv.c index e9babc128af..cf524931388 100644 --- a/sys/powerpc/powernv/platform_powernv.c +++ b/sys/powerpc/powernv/platform_powernv.c @@ -139,6 +139,7 @@ powernv_attach(platform_t plat) phandle_t opal; int res, len, idx; register_t msr; + register_t fscr; bool has_lp; /* Ping OPAL again just to make sure */ @@ -180,6 +181,11 @@ powernv_attach(platform_t plat) mtspr(SPR_LPCR, lpcr); isync(); + fscr = mfspr(SPR_HFSCR); + fscr |= FSCR_TAR | FSCR_EBB | HFSCR_BHRB | HFSCR_PM | + HFSCR_VECVSX | HFSCR_FP | FSCR_MSGP | FSCR_DSCR; + mtspr(SPR_HFSCR, fscr); + mtmsr(msr); powernv_cpuref_init();