hw/mips/bootloader: Fix write_ulong()

bl_gen_write_ulong uses sd for both 32 and 64 bit CPU, while sd is illegal on 32 bit CPUs. Replace sd with sw on 32bit CPUs. Fixes: 3ebbf86 ("hw/mips: Add a bootloader helper") Signed-off-by: Jiaxun Yang <[email protected]> Reviewed-by: Philippe Mathieu-Daudé <[email protected]> Message-Id: <[email protected]> Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
UQ-PAC · Dec 6, 2021 · 24ade8c · 24ade8c
1 parent 99fc083
commit 24ade8c
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/hw/mips/bootloader.c b/hw/mips/bootloader.c
@@ -182,7 +182,11 @@ void bl_gen_write_ulong(uint32_t **p, target_ulong addr, target_ulong val)
 {
     bl_gen_load_ulong(p, BL_REG_K0, val);
     bl_gen_load_ulong(p, BL_REG_K1, addr);
-    bl_gen_sd(p, BL_REG_K0, BL_REG_K1, 0x0);
+    if (bootcpu_supports_isa(ISA_MIPS3)) {
+        bl_gen_sd(p, BL_REG_K0, BL_REG_K1, 0x0);
+    } else {
+        bl_gen_sw(p, BL_REG_K0, BL_REG_K1, 0x0);
+    }
 }
 
 void bl_gen_write_u32(uint32_t **p, target_ulong addr, uint32_t val)