66 lines
1.9 KiB
ArmAsm
66 lines
1.9 KiB
ArmAsm
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2021, Microsoft Corporation.
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* Pasha Tatashin <pasha.tatashin@soleen.com>
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*/
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#include <linux/linkage.h>
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#include <asm/assembler.h>
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#include <asm/kvm_asm.h>
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.macro invalid_vector label
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SYM_CODE_START_LOCAL(\label)
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.align 7
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b \label
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SYM_CODE_END(\label)
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.endm
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.macro el1_sync_vector
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SYM_CODE_START_LOCAL(el1_sync)
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.align 7
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cmp x0, #HVC_SET_VECTORS /* Called from hibernate */
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b.ne 1f
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msr vbar_el2, x1
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mov x0, xzr
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eret
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1: cmp x0, #HVC_SOFT_RESTART /* Called from kexec */
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b.ne 2f
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mov x0, x2
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mov x2, x4
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mov x4, x1
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mov x1, x3
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br x4
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2: /* Unexpected argument, set an error */
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mov_q x0, HVC_STUB_ERR
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eret
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SYM_CODE_END(el1_sync)
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.endm
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SYM_CODE_START(trans_pgd_stub_vectors)
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invalid_vector hyp_stub_el2t_sync_invalid // Synchronous EL2t
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invalid_vector hyp_stub_el2t_irq_invalid // IRQ EL2t
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invalid_vector hyp_stub_el2t_fiq_invalid // FIQ EL2t
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invalid_vector hyp_stub_el2t_error_invalid // Error EL2t
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invalid_vector hyp_stub_el2h_sync_invalid // Synchronous EL2h
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invalid_vector hyp_stub_el2h_irq_invalid // IRQ EL2h
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invalid_vector hyp_stub_el2h_fiq_invalid // FIQ EL2h
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invalid_vector hyp_stub_el2h_error_invalid // Error EL2h
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el1_sync_vector // Synchronous 64-bit EL1
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invalid_vector hyp_stub_el1_irq_invalid // IRQ 64-bit EL1
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invalid_vector hyp_stub_el1_fiq_invalid // FIQ 64-bit EL1
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invalid_vector hyp_stub_el1_error_invalid // Error 64-bit EL1
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invalid_vector hyp_stub_32b_el1_sync_invalid // Synchronous 32-bit EL1
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invalid_vector hyp_stub_32b_el1_irq_invalid // IRQ 32-bit EL1
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invalid_vector hyp_stub_32b_el1_fiq_invalid // FIQ 32-bit EL1
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invalid_vector hyp_stub_32b_el1_error_invalid // Error 32-bit EL1
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.align 11
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SYM_INNER_LABEL(__trans_pgd_stub_vectors_end, SYM_L_LOCAL)
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SYM_CODE_END(trans_pgd_stub_vectors)
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# Check the trans_pgd_stub_vectors didn't overflow
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.org . - (__trans_pgd_stub_vectors_end - trans_pgd_stub_vectors) + SZ_2K
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