| 32,7 → 32,7 |
|---|
| #include <arch/mm/page.h> |
| #include <align.h> |
| |
| #define STACK_ITEMS 14 |
| #define STACK_ITEMS 18 |
| #define STACK_FRAME_SIZE ALIGN_UP((STACK_ITEMS*STACK_ITEM_SIZE) + STACK_SCRATCH_AREA_SIZE, STACK_ALIGNMENT) |
| |
| #if (STACK_ITEMS % 2 == 0) |
| 45,6 → 45,7 |
|---|
| #define R_OFFS r16 |
| #define R_HANDLER r17 |
| #define R_RET r18 |
| #define R_TMP r19 |
| #define R_KSTACK_BSP r22 /* keep in sync with before_thread_runs_arch() */ |
| #define R_KSTACK r23 /* keep in sync with before_thread_runs_arch() */ |
| |
| 116,6 → 117,26 |
|---|
| add r12 = -STACK_FRAME_SIZE, r12 |
| |
| /* 4. save registers in bank 0 into memory stack */ |
| |
| /* |
| * If this is break_instruction handler, |
| * copy input parameters to stack. |
| */ |
| mov R_TMP = 0x2c00 ;; |
| cmp.eq p6,p5 = R_OFFS, R_TMP ;; |
| |
| /* |
| * From now on, if this is break_instruction handler, p6 is true and p5 is false. |
| * Otherwise p6 is false and p5 is true. |
| * Note that p5 is a preserved predicate register and we make use of it. |
| */ |
| |
| (p6) st8 [r31] = r35, -8 ;; /* save in3 */ |
| (p6) st8 [r31] = r34, -8 ;; /* save in2 */ |
| (p6) st8 [r31] = r33, -8 ;; /* save in1 */ |
| (p6) st8 [r31] = r32, -8 ;; /* save in0 */ |
| (p5) add r31 = -32, r31 ;; |
| |
| st8 [r31] = r30, -8 ;; /* save old stack pointer */ |
| |
| st8 [r31] = r29, -8 ;; /* save predicate registers */ |
| 268,7 → 289,7 |
|---|
| mov loc21 = r5 |
| mov loc22 = r6 |
| mov loc23 = r7 |
| mov loc24 = r8 |
| (p5) mov loc24 = r8 /* only if not in break_instruction handler */ |
| mov loc25 = r9 |
| mov loc26 = r10 |
| mov loc27 = r11 |
| 325,7 → 346,7 |
|---|
| mov r5 = loc21 |
| mov r6 = loc22 |
| mov r7 = loc23 |
| mov r8 = loc24 |
| (p5) mov r8 = loc24 /* only if not in break_instruction handler */ |
| mov r9 = loc25 |
| mov r10 = loc26 |
| mov r11 = loc27 |