diff options
| -rw-r--r-- | asm/misc.S | 60 | ||||
| -rw-r--r-- | include/skiboot.h | 1 |
2 files changed, 61 insertions, 0 deletions
@@ -19,6 +19,8 @@ #include <processor.h> #include <stack.h> +#define OLD_BINUTILS 1 + .section ".text","ax" .balign 0x10 @@ -63,3 +65,61 @@ cleanup_local_tlb: bdnz 1b ptesync blr + + .global cleanup_global_tlb +cleanup_global_tlb: + + /* Only supported on P9 for now */ + mfspr %r3,SPR_PVR + srdi %r3,%r3,16 + cmpwi cr0,%r3,PVR_TYPE_P9 + bnelr + + /* Sync out previous updates */ + ptesync + +#ifndef OLD_BINUTILS + .machine "power9" +#endif + /* Lead RB with IS=11 */ + li %r3,3 + sldi %r3,%r3,10 + li %r0,0 + + /* Blow up radix partition scoped translations */ +#ifdef OLD_BINUTILS + .long 0x7c0b1a64 +#else + tlbie %r3, %r0 /* rs */, 2 /* ric */, 1 /* prs */, 1 /* r */ +#endif + eieio + tlbsync + ptesync +#ifdef OLD_BINUTILS + .long 0x7c091a64 +#else + tlbie %r3, %r0 /* rs */, 2 /* ric */, 0 /* prs */, 1 /* r */ +#endif + eieio + tlbsync + ptesync + + /* Blow up hash partition scoped translations */ +#ifdef OLD_BINUTILS + .long 0x7c0a1a64 +#else + tlbie %r3, %r0 /* rs */, 2 /* ric */, 1 /* prs */, 0 /* r */ +#endif + eieio + tlbsync + ptesync +#ifdef OLD_BINUTILS + .long 0x7c081a64 +#else + tlbie %r3, %r0 /* rs */, 2 /* ric */, 0 /* prs */, 0 /* r */ +#endif + eieio + tlbsync + ptesync + + blr diff --git a/include/skiboot.h b/include/skiboot.h index 87d8503f..1a153b02 100644 --- a/include/skiboot.h +++ b/include/skiboot.h @@ -204,6 +204,7 @@ extern void fast_reboot(void); extern void __noreturn __secondary_cpu_entry(void); extern void __noreturn load_and_boot_kernel(bool is_reboot); extern void cleanup_local_tlb(void); +extern void cleanup_global_tlb(void); extern void init_shared_sprs(void); extern void init_replicated_sprs(void); extern bool start_preload_kernel(void); |
