| 33,7 → 33,7 |
|---|
| #include <align.h> |
| |
| #define FRS_TO_SAVE 30 |
| #define STACK_ITEMS (19 + FRS_TO_SAVE*2) |
| #define STACK_ITEMS (21 + FRS_TO_SAVE * 2) |
| #define STACK_FRAME_SIZE ALIGN_UP((STACK_ITEMS*STACK_ITEM_SIZE) + STACK_SCRATCH_AREA_SIZE, STACK_ALIGNMENT) |
| |
| #if (STACK_ITEMS % 2 == 0) |
| 135,20 → 135,22 |
|---|
| * copy input parameters to stack. |
| */ |
| mov R_TMP = 0x2c00 ;; |
| cmp.eq p6,p5 = R_OFFS, R_TMP ;; |
| 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. |
| * 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] = r38, -8 ;; /* save in6 */ |
| (p6) st8 [r31] = r37, -8 ;; /* save in5 */ |
| (p6) st8 [r31] = r36, -8 ;; /* save in4 */ |
| (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 = -40, r31 ;; |
| (p5) add r31 = -56, r31 ;; |
| |
| st8 [r31] = r30, -8 ;; /* save old stack pointer */ |
| |
| 178,7 → 180,8 |
|---|
| mov r28 = ar.bspstore ;; |
| |
| /* |
| * Inspect BSPSTORE to figure out whether it is necessary to switch to kernel BSPSTORE. |
| * Inspect BSPSTORE to figure out whether it is necessary to switch to |
| * kernel BSPSTORE. |
| */ |
| (p1) shr.u r30 = r28, VRN_SHIFT ;; |
| (p1) cmp.eq p1, p2 = VRN_KERNEL, r30 ;; |
| 205,9 → 208,9 |
|---|
| 0: mov b0 = R_RET /* restore b0 belonging to the interrupted context */ |
| |
| /* 16. RSE switch to interrupted context */ |
| cover /* allocate zerro size frame (step 1 (from Intel Docs)) */ |
| cover /* allocate zero size frame (step 1 (from Intel Docs)) */ |
| |
| add r31 = (STACK_SCRATCH_AREA_SIZE+(FRS_TO_SAVE*2*8)), r12 ;; |
| add r31 = (STACK_SCRATCH_AREA_SIZE + (FRS_TO_SAVE * 2 * 8)), r12 ;; |
| |
| ld8 r30 = [r31], +8 ;; /* load ar.bsp */ |
| ld8 r29 = [r31], +8 ;; /* load ar.bspstore */ |