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-rw-r--r--hw/mips/bootloader.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/hw/mips/bootloader.c b/hw/mips/bootloader.c
index 99991f8b2b..f5f42f2bf2 100644
--- a/hw/mips/bootloader.c
+++ b/hw/mips/bootloader.c
@@ -165,15 +165,29 @@ void bl_gen_jump_to(uint32_t **p, target_ulong jump_addr)
bl_gen_nop(p); /* delay slot */
}
-void bl_gen_jump_kernel(uint32_t **p, target_ulong sp, target_ulong a0,
- target_ulong a1, target_ulong a2, target_ulong a3,
+void bl_gen_jump_kernel(uint32_t **p,
+ bool set_sp, target_ulong sp,
+ bool set_a0, target_ulong a0,
+ bool set_a1, target_ulong a1,
+ bool set_a2, target_ulong a2,
+ bool set_a3, target_ulong a3,
target_ulong kernel_addr)
{
- bl_gen_load_ulong(p, BL_REG_SP, sp);
- bl_gen_load_ulong(p, BL_REG_A0, a0);
- bl_gen_load_ulong(p, BL_REG_A1, a1);
- bl_gen_load_ulong(p, BL_REG_A2, a2);
- bl_gen_load_ulong(p, BL_REG_A3, a3);
+ if (set_sp) {
+ bl_gen_load_ulong(p, BL_REG_SP, sp);
+ }
+ if (set_a0) {
+ bl_gen_load_ulong(p, BL_REG_A0, a0);
+ }
+ if (set_a1) {
+ bl_gen_load_ulong(p, BL_REG_A1, a1);
+ }
+ if (set_a2) {
+ bl_gen_load_ulong(p, BL_REG_A2, a2);
+ }
+ if (set_a3) {
+ bl_gen_load_ulong(p, BL_REG_A3, a3);
+ }
bl_gen_jump_to(p, kernel_addr);
}