diff options
| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2020-12-15 14:45:05 +0800 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2021-02-21 18:41:46 +0100 |
| commit | 4d0c59fa07933f64ba8df9da1f76154869ba9425 (patch) | |
| tree | e6f478ebf546ab35442ee9b3e2705576519c7eab | |
| parent | 3ebbf86128f5607831ba5a3dec8bac02271a9390 (diff) | |
hw/mips/fuloong2e: Use bl_gen_kernel_jump to generate bootloaders
Replace embedded binary with generated code.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201215064507.30148-2-jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[PMD: Split original patch as one for each machine (here fuloong2e)]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
| -rw-r--r-- | hw/mips/fuloong2e.c | 27 |
1 files changed, 3 insertions, 24 deletions
diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c index bac2adbd5a..1f3680fda3 100644 --- a/hw/mips/fuloong2e.c +++ b/hw/mips/fuloong2e.c @@ -33,6 +33,7 @@ #include "hw/i2c/smbus_eeprom.h" #include "hw/block/flash.h" #include "hw/mips/mips.h" +#include "hw/mips/bootloader.h" #include "hw/mips/cpudevs.h" #include "hw/pci/pci.h" #include "qemu/log.h" @@ -185,30 +186,8 @@ static void write_bootloader(CPUMIPSState *env, uint8_t *base, /* Second part of the bootloader */ p = (uint32_t *)(base + 0x040); - /* lui a0, 0 */ - stl_p(p++, 0x3c040000); - /* ori a0, a0, 2 */ - stl_p(p++, 0x34840002); - /* lui a1, high(ENVP_VADDR) */ - stl_p(p++, 0x3c050000 | ((ENVP_VADDR >> 16) & 0xffff)); - /* ori a1, a0, low(ENVP_VADDR) */ - stl_p(p++, 0x34a50000 | (ENVP_VADDR & 0xffff)); - /* lui a2, high(ENVP_VADDR + 8) */ - stl_p(p++, 0x3c060000 | (((ENVP_VADDR + 8) >> 16) & 0xffff)); - /* ori a2, a2, low(ENVP_VADDR + 8) */ - stl_p(p++, 0x34c60000 | ((ENVP_VADDR + 8) & 0xffff)); - /* lui a3, high(env->ram_size) */ - stl_p(p++, 0x3c070000 | (loaderparams.ram_size >> 16)); - /* ori a3, a3, low(env->ram_size) */ - stl_p(p++, 0x34e70000 | (loaderparams.ram_size & 0xffff)); - /* lui ra, high(kernel_addr) */ - stl_p(p++, 0x3c1f0000 | ((kernel_addr >> 16) & 0xffff)); - /* ori ra, ra, low(kernel_addr) */ - stl_p(p++, 0x37ff0000 | (kernel_addr & 0xffff)); - /* jr ra */ - stl_p(p++, 0x03e00008); - /* nop */ - stl_p(p++, 0x00000000); + bl_gen_jump_kernel(&p, ENVP_VADDR - 64, 2, ENVP_VADDR, ENVP_VADDR + 8, + loaderparams.ram_size, kernel_addr); } static void main_cpu_reset(void *opaque) |