| Yoshinori Sato | b229632 | 2006-11-05 16:18:08 +0900 | [diff] [blame] | 1 | ! entry.S macro define |
| 2 | |
| 3 | .macro cli |
| 4 | stc sr, r0 |
| 5 | or #0xf0, r0 |
| 6 | ldc r0, sr |
| 7 | .endm |
| 8 | |
| 9 | .macro sti |
| Stuart Menefy | fea966f | 2009-08-24 17:09:53 +0900 | [diff] [blame] | 10 | mov #0xfffffff0, r11 |
| Yoshinori Sato | b229632 | 2006-11-05 16:18:08 +0900 | [diff] [blame] | 11 | extu.b r11, r11 |
| 12 | not r11, r11 |
| 13 | stc sr, r10 |
| 14 | and r11, r10 |
| Hideo Saito | 8b1d165 | 2008-02-26 14:28:48 +0900 | [diff] [blame] | 15 | #ifdef CONFIG_CPU_HAS_SR_RB |
| Yoshinori Sato | b229632 | 2006-11-05 16:18:08 +0900 | [diff] [blame] | 16 | stc k_g_imask, r11 |
| 17 | or r11, r10 |
| 18 | #endif |
| 19 | ldc r10, sr |
| 20 | .endm |
| 21 | |
| 22 | .macro get_current_thread_info, ti, tmp |
| Hideo Saito | 8b1d165 | 2008-02-26 14:28:48 +0900 | [diff] [blame] | 23 | #ifdef CONFIG_CPU_HAS_SR_RB |
| Yoshinori Sato | b229632 | 2006-11-05 16:18:08 +0900 | [diff] [blame] | 24 | stc r7_bank, \ti |
| 25 | #else |
| Paul Mundt | 510c72ad | 2006-11-27 12:06:26 +0900 | [diff] [blame] | 26 | mov #((THREAD_SIZE - 1) >> 10) ^ 0xff, \tmp |
| Yoshinori Sato | b229632 | 2006-11-05 16:18:08 +0900 | [diff] [blame] | 27 | shll8 \tmp |
| Paul Mundt | 510c72ad | 2006-11-27 12:06:26 +0900 | [diff] [blame] | 28 | shll2 \tmp |
| Yoshinori Sato | b229632 | 2006-11-05 16:18:08 +0900 | [diff] [blame] | 29 | mov r15, \ti |
| 30 | and \tmp, \ti |
| 31 | #endif |
| 32 | .endm |
| 33 | |
| Stuart Menefy | fd78a76 | 2009-07-29 23:01:24 +0900 | [diff] [blame] | 34 | #ifdef CONFIG_TRACE_IRQFLAGS |
| 35 | |
| 36 | .macro TRACE_IRQS_ON |
| 37 | mov.l r0, @-r15 |
| 38 | mov.l r1, @-r15 |
| 39 | mov.l r2, @-r15 |
| 40 | mov.l r3, @-r15 |
| 41 | mov.l r4, @-r15 |
| 42 | mov.l r5, @-r15 |
| 43 | mov.l r6, @-r15 |
| 44 | mov.l r7, @-r15 |
| 45 | |
| 46 | mov.l 7834f, r0 |
| 47 | jsr @r0 |
| 48 | nop |
| 49 | |
| 50 | mov.l @r15+, r7 |
| 51 | mov.l @r15+, r6 |
| 52 | mov.l @r15+, r5 |
| 53 | mov.l @r15+, r4 |
| 54 | mov.l @r15+, r3 |
| 55 | mov.l @r15+, r2 |
| 56 | mov.l @r15+, r1 |
| 57 | mov.l @r15+, r0 |
| 58 | mov.l 7834f, r0 |
| 59 | |
| 60 | bra 7835f |
| 61 | nop |
| 62 | .balign 4 |
| 63 | 7834: .long trace_hardirqs_on |
| 64 | 7835: |
| 65 | .endm |
| 66 | .macro TRACE_IRQS_OFF |
| 67 | |
| 68 | mov.l r0, @-r15 |
| 69 | mov.l r1, @-r15 |
| 70 | mov.l r2, @-r15 |
| 71 | mov.l r3, @-r15 |
| 72 | mov.l r4, @-r15 |
| 73 | mov.l r5, @-r15 |
| 74 | mov.l r6, @-r15 |
| 75 | mov.l r7, @-r15 |
| 76 | |
| 77 | mov.l 7834f, r0 |
| 78 | jsr @r0 |
| 79 | nop |
| 80 | |
| 81 | mov.l @r15+, r7 |
| 82 | mov.l @r15+, r6 |
| 83 | mov.l @r15+, r5 |
| 84 | mov.l @r15+, r4 |
| 85 | mov.l @r15+, r3 |
| 86 | mov.l @r15+, r2 |
| 87 | mov.l @r15+, r1 |
| 88 | mov.l @r15+, r0 |
| 89 | mov.l 7834f, r0 |
| 90 | |
| 91 | bra 7835f |
| 92 | nop |
| 93 | .balign 4 |
| 94 | 7834: .long trace_hardirqs_off |
| 95 | 7835: |
| 96 | .endm |
| 97 | |
| 98 | #else |
| 99 | .macro TRACE_IRQS_ON |
| 100 | .endm |
| 101 | |
| 102 | .macro TRACE_IRQS_OFF |
| 103 | .endm |
| 104 | #endif |
| 105 | |
| Magnus Damm | 0197f21 | 2009-02-27 16:41:17 +0900 | [diff] [blame] | 106 | #if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH4) |
| 107 | # define PREF(x) pref @x |
| 108 | #else |
| 109 | # define PREF(x) nop |
| 110 | #endif |
| Matt Fleming | 0b93048 | 2009-08-02 22:33:26 +0100 | [diff] [blame] | 111 | |
| 112 | /* |
| 113 | * Macro for use within assembly. Because the DWARF unwinder |
| 114 | * needs to use the frame register to unwind the stack, we |
| 115 | * need to setup r14 with the value of the stack pointer as |
| 116 | * the return address is usually on the stack somewhere. |
| 117 | */ |
| 118 | .macro setup_frame_reg |
| 119 | #ifdef CONFIG_DWARF_UNWINDER |
| 120 | mov r15, r14 |
| 121 | #endif |
| 122 | .endm |