Changes in kernel/arch/mips64/src/start.S [6d123b3:2429e4a] in mainline

File:

• kernel/arch/mips64/src/start.S (modified) (5 diffs)

kernel/arch/mips64/src/start.S

@@ -241 +241 @@
         /* $a1 contains physical address of bootinfo_t */
         jal arch_pre_main
-        addiu $sp, -ABI_STACK_FRAME
+        nop
         
         j main_bsp
@@ -281 +281 @@
         
         move $a1, $sp
+        jal exc_dispatch     /* exc_dispatch(excno, register_space) */
         move $a0, $k0
-        jal exc_dispatch     /* exc_dispatch(excno, register_space) */
-        addiu $sp, -ABI_STACK_FRAME
-        addiu $sp, ABI_STACK_FRAME
         
         REGISTERS_LOAD $sp
@@ -325 +323 @@
         sw $t0, ISTATE_OFFSET_T0($sp)  /* save the 5th argument on the stack */
         sw $t1, ISTATE_OFFSET_T1($sp)  /* save the 6th argument on the stack */
-        
         jal syscall_handler
         sw $v0, ISTATE_OFFSET_V0($sp)  /* save the syscall number on the stack */
@@ -360 +357 @@
         move $sp, $k0
         
-        move $a0, $sp
         jal tlb_refill
-        addiu $sp, -ABI_STACK_FRAME
-        addiu $sp, ABI_STACK_FRAME
+        move $a0, $sp 
         
         REGISTERS_LOAD $sp
@@ -371 +366 @@
 cache_error_handler:
         KERNEL_STACK_TO_K0
-        sub $k0, ISTATE_SOFT_SIZE
+        sub $k0, ISTATE_SOFT_SIZE 
         REGISTERS_STORE_AND_EXC_RESET $k0
         sw $sp, ISTATE_OFFSET_SP($k0)
         move $sp, $k0
         
+        jal cache_error
         move $a0, $sp
-        jal cache_error
-        addiu $sp, -ABI_STACK_FRAME
-        addiu $sp, ABI_STACK_FRAME
         
         REGISTERS_LOAD $sp