diff options
| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2021-01-27 14:54:21 +0800 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2021-02-21 18:41:04 +0100 |
| commit | 3ebbf86128f5607831ba5a3dec8bac02271a9390 (patch) | |
| tree | 4e46901992d9b65a8834116065d54e462fb58d06 /include/hw | |
| parent | ac9b0117d545d4e318c6827251fdf654385188f5 (diff) | |
hw/mips: Add a bootloader helper
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>
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/mips/bootloader.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/hw/mips/bootloader.h b/include/hw/mips/bootloader.h new file mode 100644 index 0000000000..b5f48d71bb --- /dev/null +++ b/include/hw/mips/bootloader.h @@ -0,0 +1,22 @@ +/* + * Utility for QEMU MIPS to generate it's simple bootloader + * + * Copyright (C) 2020 Jiaxun Yang <jiaxun.yang@flygoat.com> + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef HW_MIPS_BOOTLOADER_H +#define HW_MIPS_BOOTLOADER_H + +#include "exec/cpu-defs.h" + +void bl_gen_jump_to(uint32_t **p, target_ulong jump_addr); +void bl_gen_jump_kernel(uint32_t **p, target_ulong sp, target_ulong a0, + target_ulong a1, target_ulong a2, target_ulong a3, + target_ulong kernel_addr); +void bl_gen_write_ulong(uint32_t **p, target_ulong addr, target_ulong val); +void bl_gen_write_u32(uint32_t **p, target_ulong addr, uint32_t val); +void bl_gen_write_u64(uint32_t **p, target_ulong addr, uint64_t val); + +#endif |