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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | ! SPDX-License-Identifier: GPL-2.0 ! entry.S macro define .macro cli stc sr, r0 or #0xf0, r0 ldc r0, sr .endm .macro sti mov #0xfffffff0, r11 extu.b r11, r11 not r11, r11 stc sr, r10 and r11, r10 #ifdef CONFIG_CPU_HAS_SR_RB stc k_g_imask, r11 or r11, r10 #endif ldc r10, sr .endm .macro get_current_thread_info, ti, tmp #ifdef CONFIG_CPU_HAS_SR_RB stc r7_bank, \ti #else mov #((THREAD_SIZE - 1) >> 10) ^ 0xff, \tmp shll8 \tmp shll2 \tmp mov r15, \ti and \tmp, \ti #endif .endm #ifdef CONFIG_TRACE_IRQFLAGS .macro TRACE_IRQS_ON mov.l r0, @-r15 mov.l r1, @-r15 mov.l r2, @-r15 mov.l r3, @-r15 mov.l r4, @-r15 mov.l r5, @-r15 mov.l r6, @-r15 mov.l r7, @-r15 mov.l 7834f, r0 jsr @r0 nop mov.l @r15+, r7 mov.l @r15+, r6 mov.l @r15+, r5 mov.l @r15+, r4 mov.l @r15+, r3 mov.l @r15+, r2 mov.l @r15+, r1 mov.l @r15+, r0 mov.l 7834f, r0 bra 7835f nop .balign 4 7834: .long trace_hardirqs_on 7835: .endm .macro TRACE_IRQS_OFF mov.l r0, @-r15 mov.l r1, @-r15 mov.l r2, @-r15 mov.l r3, @-r15 mov.l r4, @-r15 mov.l r5, @-r15 mov.l r6, @-r15 mov.l r7, @-r15 mov.l 7834f, r0 jsr @r0 nop mov.l @r15+, r7 mov.l @r15+, r6 mov.l @r15+, r5 mov.l @r15+, r4 mov.l @r15+, r3 mov.l @r15+, r2 mov.l @r15+, r1 mov.l @r15+, r0 mov.l 7834f, r0 bra 7835f nop .balign 4 7834: .long trace_hardirqs_off 7835: .endm #else .macro TRACE_IRQS_ON .endm .macro TRACE_IRQS_OFF .endm #endif #if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH4) # define PREF(x) pref @x #else # define PREF(x) nop #endif /* * Macro for use within assembly. Because the DWARF unwinder * needs to use the frame register to unwind the stack, we * need to setup r14 with the value of the stack pointer as * the return address is usually on the stack somewhere. */ .macro setup_frame_reg #ifdef CONFIG_DWARF_UNWINDER mov r15, r14 #endif .endm |