qemu-patch-raspberry4/include/hw/mips/bootloader.h
Jiaxun Yang 3ebbf86128 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>
2021-02-21 18:41:04 +01:00

23 lines
747 B
C

/*
* 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