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hw/mips/bootloader: Allow bl_gen_jump_kernel to optionally set register

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When one of the $sp/$a[0..3] register is already set, we might
want bl_gen_jump_kernel() to NOT set it again. Pass a boolean
argument for each register, to allow to optionally set them.

Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221026191821.28167-2-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2022-10-26 21:18:19 +02:00
parent 3c43fc333b
commit 36d7487b2a
4 changed files with 37 additions and 12 deletions
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8
hw/mips/fuloong2e.c
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@ -179,8 +179,12 @@ static void write_bootloader(CPUMIPSState *env, uint8_t *base,
/* Second part of the bootloader */
p = (uint32_t *)(base + 0x040);
bl_gen_jump_kernel(&p, ENVP_VADDR - 64, 2, ENVP_VADDR, ENVP_VADDR + 8,
loaderparams.ram_size, kernel_addr);
bl_gen_jump_kernel(&p,
true, ENVP_VADDR - 64,
true, 2, true, ENVP_VADDR,
true, ENVP_VADDR + 8,
true, loaderparams.ram_size,
kernel_addr);
}
static void main_cpu_reset(void *opaque)