| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (c) 2021, Microsoft Corporation. |
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| 5 | * Pasha Tatashin <pasha.tatashin@soleen.com> |
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| 6 | */ |
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| 7 | |
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| 8 | #include <linux/linkage.h> |
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| 9 | #include <asm/assembler.h> |
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| 10 | #include <asm/kvm_asm.h> |
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| 11 | |
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| 12 | .macro invalid_vector label |
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| 13 | SYM_CODE_START_LOCAL(\label) |
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| 14 | .align 7 |
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| 15 | b \label |
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| 16 | SYM_CODE_END(\label) |
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| 17 | .endm |
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| 18 | |
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| 19 | .macro el1_sync_vector |
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| 20 | SYM_CODE_START_LOCAL(el1_sync) |
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| 21 | .align 7 |
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| 22 | cmp x0, #HVC_SET_VECTORS /* Called from hibernate */ |
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| 23 | b.ne 1f |
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| 24 | msr vbar_el2, x1 |
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| 25 | mov x0, xzr |
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| 26 | eret |
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| 27 | 1: cmp x0, #HVC_SOFT_RESTART /* Called from kexec */ |
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| 28 | b.ne 2f |
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| 29 | mov x0, x2 |
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| 30 | mov x2, x4 |
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| 31 | mov x4, x1 |
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| 32 | mov x1, x3 |
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| 33 | br x4 |
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| 34 | 2: /* Unexpected argument, set an error */ |
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| 35 | mov_q x0, HVC_STUB_ERR |
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| 36 | eret |
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| 37 | SYM_CODE_END(el1_sync) |
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| 38 | .endm |
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| 39 | |
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| 40 | SYM_CODE_START(trans_pgd_stub_vectors) |
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| 41 | invalid_vector hyp_stub_el2t_sync_invalid // Synchronous EL2t |
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| 42 | invalid_vector hyp_stub_el2t_irq_invalid // IRQ EL2t |
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| 43 | invalid_vector hyp_stub_el2t_fiq_invalid // FIQ EL2t |
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| 44 | invalid_vector hyp_stub_el2t_error_invalid // Error EL2t |
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| 45 | |
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| 46 | invalid_vector hyp_stub_el2h_sync_invalid // Synchronous EL2h |
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| 47 | invalid_vector hyp_stub_el2h_irq_invalid // IRQ EL2h |
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| 48 | invalid_vector hyp_stub_el2h_fiq_invalid // FIQ EL2h |
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| 49 | invalid_vector hyp_stub_el2h_error_invalid // Error EL2h |
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| 50 | |
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| 51 | el1_sync_vector // Synchronous 64-bit EL1 |
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| 52 | invalid_vector hyp_stub_el1_irq_invalid // IRQ 64-bit EL1 |
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| 53 | invalid_vector hyp_stub_el1_fiq_invalid // FIQ 64-bit EL1 |
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| 54 | invalid_vector hyp_stub_el1_error_invalid // Error 64-bit EL1 |
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| 55 | |
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| 56 | invalid_vector hyp_stub_32b_el1_sync_invalid // Synchronous 32-bit EL1 |
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| 57 | invalid_vector hyp_stub_32b_el1_irq_invalid // IRQ 32-bit EL1 |
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| 58 | invalid_vector hyp_stub_32b_el1_fiq_invalid // FIQ 32-bit EL1 |
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| 59 | invalid_vector hyp_stub_32b_el1_error_invalid // Error 32-bit EL1 |
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| 60 | .align 11 |
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| 61 | SYM_INNER_LABEL(__trans_pgd_stub_vectors_end, SYM_L_LOCAL) |
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| 62 | SYM_CODE_END(trans_pgd_stub_vectors) |
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| 63 | |
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| 64 | # Check the trans_pgd_stub_vectors didn't overflow |
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| 65 | .org . - (__trans_pgd_stub_vectors_end - trans_pgd_stub_vectors) + SZ_2K |
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| 66 | |
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