| /* Copyright 2013-2014 IBM Corp. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| * implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <asm-utils.h> |
| #include <asm-offsets.h> |
| #include <processor.h> |
| #include <stack.h> |
| |
| #define OLD_BINUTILS 1 |
| |
| .section ".text","ax" |
| .balign 0x10 |
| |
| /* void set_hid0(unsigned long hid0) */ |
| .global set_hid0 |
| set_hid0: |
| sync |
| mtspr SPR_HID0,%r3 |
| mfspr %r3,SPR_HID0 |
| mfspr %r3,SPR_HID0 |
| mfspr %r3,SPR_HID0 |
| mfspr %r3,SPR_HID0 |
| mfspr %r3,SPR_HID0 |
| mfspr %r3,SPR_HID0 |
| isync |
| blr |
| |
| .global __trigger_attn |
| __trigger_attn: |
| sync |
| isync |
| attn |
| blr |
| |
| #ifdef STACK_CHECK_ENABLED |
| .global _mcount |
| _mcount: |
| mr %r3,%r1 |
| mflr %r4 |
| b __mcount_stack_check |
| #endif |
| |
| .global cleanup_local_tlb |
| cleanup_local_tlb: |
| /* Clean the TLB */ |
| li %r3,512 |
| mtctr %r3 |
| li %r4,0xc00 /* IS field = 0b11 */ |
| ptesync |
| 1: tlbiel %r4 |
| addi %r4,%r4,0x1000 |
| 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 |
