| /* |
| * SPDX-License-Identifier: BSD-2-Clause |
| * |
| * Copyright (c) 2019 Western Digital Corporation or its affiliates. |
| * |
| * Authors: |
| * Anup Patel <anup.patel@wdc.com> |
| * Atish Patra <anup.patel@wdc.com> |
| */ |
| |
| /* |
| * HFENCE.GVMA rs1, rs2 |
| * HFENCE.GVMA zero, rs2 |
| * HFENCE.GVMA rs1 |
| * HFENCE.GVMA |
| * |
| * rs1!=zero and rs2!=zero ==> HFENCE.GVMA rs1, rs2 |
| * rs1==zero and rs2!=zero ==> HFENCE.GVMA zero, rs2 |
| * rs1!=zero and rs2==zero ==> HFENCE.GVMA rs1 |
| * rs1==zero and rs2==zero ==> HFENCE.GVMA |
| * |
| * Instruction encoding of HFENCE.GVMA is: |
| * 0110001 rs2(5) rs1(5) 000 00000 1110011 |
| */ |
| |
| .align 3 |
| .global __sbi_hfence_gvma_vmid_gpa |
| __sbi_hfence_gvma_vmid_gpa: |
| /* |
| * rs1 = a0 (GPA >> 2) |
| * rs2 = a1 (VMID) |
| * HFENCE.GVMA a0, a1 |
| * 0110001 01011 01010 000 00000 1110011 |
| */ |
| .word 0x62b50073 |
| ret |
| |
| .align 3 |
| .global __sbi_hfence_gvma_vmid |
| __sbi_hfence_gvma_vmid: |
| /* |
| * rs1 = zero |
| * rs2 = a0 (VMID) |
| * HFENCE.GVMA zero, a0 |
| * 0110001 01010 00000 000 00000 1110011 |
| */ |
| .word 0x62a00073 |
| ret |
| |
| .align 3 |
| .global __sbi_hfence_gvma_gpa |
| __sbi_hfence_gvma_gpa: |
| /* |
| * rs1 = a0 (GPA >> 2) |
| * rs2 = zero |
| * HFENCE.GVMA a0 |
| * 0110001 00000 01010 000 00000 1110011 |
| */ |
| .word 0x62050073 |
| ret |
| |
| .align 3 |
| .global __sbi_hfence_gvma_all |
| __sbi_hfence_gvma_all: |
| /* |
| * rs1 = zero |
| * rs2 = zero |
| * HFENCE.GVMA |
| * 0110001 00000 00000 000 00000 1110011 |
| */ |
| .word 0x62000073 |
| ret |
| |
| /* |
| * HFENCE.VVMA rs1, rs2 |
| * HFENCE.VVMA zero, rs2 |
| * HFENCE.VVMA rs1 |
| * HFENCE.VVMA |
| * |
| * rs1!=zero and rs2!=zero ==> HFENCE.VVMA rs1, rs2 |
| * rs1==zero and rs2!=zero ==> HFENCE.VVMA zero, rs2 |
| * rs1!=zero and rs2==zero ==> HFENCE.VVMA rs1 |
| * rs1==zero and rs2==zero ==> HFENCE.vVMA |
| * |
| * Instruction encoding of HFENCE.VVMA is: |
| * 0010001 rs2(5) rs1(5) 000 00000 1110011 |
| */ |
| |
| .align 3 |
| .global __sbi_hfence_vvma_asid_va |
| __sbi_hfence_vvma_asid_va: |
| /* |
| * rs1 = a0 (VA) |
| * rs2 = a1 (ASID) |
| * HFENCE.VVMA a0, a1 |
| * 0010001 01011 01010 000 00000 1110011 |
| */ |
| .word 0x22b50073 |
| ret |
| |
| .align 3 |
| .global __sbi_hfence_vvma_asid |
| __sbi_hfence_vvma_asid: |
| /* |
| * rs1 = zero |
| * rs2 = a0 (ASID) |
| * HFENCE.VVMA zero, a0 |
| * 0010001 01010 00000 000 00000 1110011 |
| */ |
| .word 0x22a00073 |
| ret |
| |
| .align 3 |
| .global __sbi_hfence_vvma_va |
| __sbi_hfence_vvma_va: |
| /* |
| * rs1 = a0 (VA) |
| * rs2 = zero |
| * HFENCE.VVMA zero, a0 |
| * 0010001 00000 01010 000 00000 1110011 |
| */ |
| .word 0x22050073 |
| ret |
| |
| .align 3 |
| .global __sbi_hfence_vvma_all |
| __sbi_hfence_vvma_all: |
| /* |
| * rs1 = zero |
| * rs2 = zero |
| * HFENCE.VVMA |
| * 0010001 00000 00000 000 00000 1110011 |
| */ |
| .word 0x22000073 |
| ret |
