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[PULL 03/43] hw/mips/fuloong2e: Use bl_gen_kernel_jump to generate bootl


From: Philippe Mathieu-Daudé
Subject: [PULL 03/43] hw/mips/fuloong2e: Use bl_gen_kernel_jump to generate bootloaders
Date: Sun, 21 Feb 2021 15:33:52 +0100

From: Jiaxun Yang <jiaxun.yang@flygoat.com>

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>
---
 hw/mips/fuloong2e.c | 27 +++------------------------
 1 file changed, 3 insertions(+), 24 deletions(-)

diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c
index bac2adbd5ae..1f3680fda3e 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)
-- 
2.26.2




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