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3ebbf86128
Add a bootloader helper to generate simple bootloaders for kernel.
It can help us reduce inline hex hack and also keep MIPS release 6
compatibility easier.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210127065424.114125-2-jiaxun.yang@flygoat.com>
[PMD: Restricted bl_reg enum to C source,
inverted bl_gen_write() args,
added license in hw/mips/bootloader.h]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
23 lines
747 B
C
23 lines
747 B
C
/*
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* Utility for QEMU MIPS to generate it's simple bootloader
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*
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* Copyright (C) 2020 Jiaxun Yang <jiaxun.yang@flygoat.com>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef HW_MIPS_BOOTLOADER_H
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#define HW_MIPS_BOOTLOADER_H
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#include "exec/cpu-defs.h"
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void bl_gen_jump_to(uint32_t **p, target_ulong jump_addr);
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void bl_gen_jump_kernel(uint32_t **p, target_ulong sp, target_ulong a0,
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target_ulong a1, target_ulong a2, target_ulong a3,
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target_ulong kernel_addr);
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void bl_gen_write_ulong(uint32_t **p, target_ulong addr, target_ulong val);
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void bl_gen_write_u32(uint32_t **p, target_ulong addr, uint32_t val);
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void bl_gen_write_u64(uint32_t **p, target_ulong addr, uint64_t val);
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#endif
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