1*4882a593Smuzhiyun! SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun! entry.S macro define 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun .macro cli 5*4882a593Smuzhiyun stc sr, r0 6*4882a593Smuzhiyun or #0xf0, r0 7*4882a593Smuzhiyun ldc r0, sr 8*4882a593Smuzhiyun .endm 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun .macro sti 11*4882a593Smuzhiyun mov #0xfffffff0, r11 12*4882a593Smuzhiyun extu.b r11, r11 13*4882a593Smuzhiyun not r11, r11 14*4882a593Smuzhiyun stc sr, r10 15*4882a593Smuzhiyun and r11, r10 16*4882a593Smuzhiyun#ifdef CONFIG_CPU_HAS_SR_RB 17*4882a593Smuzhiyun stc k_g_imask, r11 18*4882a593Smuzhiyun or r11, r10 19*4882a593Smuzhiyun#endif 20*4882a593Smuzhiyun ldc r10, sr 21*4882a593Smuzhiyun .endm 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun .macro get_current_thread_info, ti, tmp 24*4882a593Smuzhiyun#ifdef CONFIG_CPU_HAS_SR_RB 25*4882a593Smuzhiyun stc r7_bank, \ti 26*4882a593Smuzhiyun#else 27*4882a593Smuzhiyun mov #((THREAD_SIZE - 1) >> 10) ^ 0xff, \tmp 28*4882a593Smuzhiyun shll8 \tmp 29*4882a593Smuzhiyun shll2 \tmp 30*4882a593Smuzhiyun mov r15, \ti 31*4882a593Smuzhiyun and \tmp, \ti 32*4882a593Smuzhiyun#endif 33*4882a593Smuzhiyun .endm 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun#ifdef CONFIG_TRACE_IRQFLAGS 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun .macro TRACE_IRQS_ON 38*4882a593Smuzhiyun mov.l r0, @-r15 39*4882a593Smuzhiyun mov.l r1, @-r15 40*4882a593Smuzhiyun mov.l r2, @-r15 41*4882a593Smuzhiyun mov.l r3, @-r15 42*4882a593Smuzhiyun mov.l r4, @-r15 43*4882a593Smuzhiyun mov.l r5, @-r15 44*4882a593Smuzhiyun mov.l r6, @-r15 45*4882a593Smuzhiyun mov.l r7, @-r15 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun mov.l 7834f, r0 48*4882a593Smuzhiyun jsr @r0 49*4882a593Smuzhiyun nop 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun mov.l @r15+, r7 52*4882a593Smuzhiyun mov.l @r15+, r6 53*4882a593Smuzhiyun mov.l @r15+, r5 54*4882a593Smuzhiyun mov.l @r15+, r4 55*4882a593Smuzhiyun mov.l @r15+, r3 56*4882a593Smuzhiyun mov.l @r15+, r2 57*4882a593Smuzhiyun mov.l @r15+, r1 58*4882a593Smuzhiyun mov.l @r15+, r0 59*4882a593Smuzhiyun mov.l 7834f, r0 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun bra 7835f 62*4882a593Smuzhiyun nop 63*4882a593Smuzhiyun .balign 4 64*4882a593Smuzhiyun7834: .long trace_hardirqs_on 65*4882a593Smuzhiyun7835: 66*4882a593Smuzhiyun .endm 67*4882a593Smuzhiyun .macro TRACE_IRQS_OFF 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun mov.l r0, @-r15 70*4882a593Smuzhiyun mov.l r1, @-r15 71*4882a593Smuzhiyun mov.l r2, @-r15 72*4882a593Smuzhiyun mov.l r3, @-r15 73*4882a593Smuzhiyun mov.l r4, @-r15 74*4882a593Smuzhiyun mov.l r5, @-r15 75*4882a593Smuzhiyun mov.l r6, @-r15 76*4882a593Smuzhiyun mov.l r7, @-r15 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun mov.l 7834f, r0 79*4882a593Smuzhiyun jsr @r0 80*4882a593Smuzhiyun nop 81*4882a593Smuzhiyun 82*4882a593Smuzhiyun mov.l @r15+, r7 83*4882a593Smuzhiyun mov.l @r15+, r6 84*4882a593Smuzhiyun mov.l @r15+, r5 85*4882a593Smuzhiyun mov.l @r15+, r4 86*4882a593Smuzhiyun mov.l @r15+, r3 87*4882a593Smuzhiyun mov.l @r15+, r2 88*4882a593Smuzhiyun mov.l @r15+, r1 89*4882a593Smuzhiyun mov.l @r15+, r0 90*4882a593Smuzhiyun mov.l 7834f, r0 91*4882a593Smuzhiyun 92*4882a593Smuzhiyun bra 7835f 93*4882a593Smuzhiyun nop 94*4882a593Smuzhiyun .balign 4 95*4882a593Smuzhiyun7834: .long trace_hardirqs_off 96*4882a593Smuzhiyun7835: 97*4882a593Smuzhiyun .endm 98*4882a593Smuzhiyun 99*4882a593Smuzhiyun#else 100*4882a593Smuzhiyun .macro TRACE_IRQS_ON 101*4882a593Smuzhiyun .endm 102*4882a593Smuzhiyun 103*4882a593Smuzhiyun .macro TRACE_IRQS_OFF 104*4882a593Smuzhiyun .endm 105*4882a593Smuzhiyun#endif 106*4882a593Smuzhiyun 107*4882a593Smuzhiyun#if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH4) 108*4882a593Smuzhiyun# define PREF(x) pref @x 109*4882a593Smuzhiyun#else 110*4882a593Smuzhiyun# define PREF(x) nop 111*4882a593Smuzhiyun#endif 112*4882a593Smuzhiyun 113*4882a593Smuzhiyun /* 114*4882a593Smuzhiyun * Macro for use within assembly. Because the DWARF unwinder 115*4882a593Smuzhiyun * needs to use the frame register to unwind the stack, we 116*4882a593Smuzhiyun * need to setup r14 with the value of the stack pointer as 117*4882a593Smuzhiyun * the return address is usually on the stack somewhere. 118*4882a593Smuzhiyun */ 119*4882a593Smuzhiyun .macro setup_frame_reg 120*4882a593Smuzhiyun#ifdef CONFIG_DWARF_UNWINDER 121*4882a593Smuzhiyun mov r15, r14 122*4882a593Smuzhiyun#endif 123*4882a593Smuzhiyun .endm 124