/* libgcc routines for NEC V850. Copyright (C) 1996, 1997 Free Software Foundation, Inc. This file is part of GNU CC. GNU CC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. In addition to the permissions in the GNU General Public License, the Free Software Foundation gives you unlimited permission to link the compiled version of this file into combinations with other programs, and to distribute those combinations without any restriction coming from the use of this file. (The General Public License restrictions do apply in other respects; for example, they cover modification of the file, and distribution when not linked into a combine executable.) This file is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef L_mulsi3 .text .globl ___mulsi3 .type ___mulsi3,@function /* * #define SHIFT 12 * #define MASK ((1 << SHIFT) - 1) * * #define STEP(i, j) \ * ({ \ * short a_part = (a >> (i)) & MASK; \ * short b_part = (b >> (j)) & MASK; \ * int res = (((int)a_part) * ((int)b_part)); \ * res; \ * }) * * int * __mulsi3 (unsigned a, unsigned b) * { * return STEP (0, 0) + * ((STEP (SHIFT, 0) + STEP (0, SHIFT)) << SHIFT) + * ((STEP (0, 2 * SHIFT) + STEP (SHIFT, SHIFT) + STEP (2 * SHIFT, 0)) * << (2 * SHIFT)); * } */ ___mulsi3: mov r6,r13 movea lo(4095),r0,r16 and r16,r13 mov r7,r15 and r16,r15 mov r13,r10 mulh r15,r10 shr 12,r6 mov r6,r14 and r16,r14 mov r14,r11 mulh r15,r11 shr 12,r7 mov r7,r12 and r16,r12 shr 12,r7 and r16,r7 mulh r13,r7 shr 12,r6 mulh r12,r13 and r16,r6 add r13,r11 shl 12,r11 add r11,r10 mov r14,r11 mulh r12,r11 mulh r15,r6 add r11,r7 add r6,r7 shl 24,r7 add r7,r10 jmp [r31] .size ___mulsi3,.-___mulsi3 #endif #ifdef L_udivsi3 .text .global ___udivsi3 .type ___udivsi3,@function ___udivsi3: mov 1,r12 mov 0,r10 cmp r6,r7 bnl .L12 movhi hi(-2147483648),r0,r13 cmp r0,r7 blt .L12 .L4: shl 1,r7 shl 1,r12 cmp r6,r7 bnl .L12 cmp r0,r12 be .L8 mov r7,r19 and r13,r19 be .L4 br .L12 .L9: cmp r7,r6 bl .L10 sub r7,r6 or r12,r10 .L10: shr 1,r12 shr 1,r7 .L12: cmp r0,r12 bne .L9 .L8: jmp [r31] .size ___udivsi3,.-___udivsi3 #endif #ifdef L_divsi3 .text .globl ___divsi3 .type ___divsi3,@function ___divsi3: add -8,sp st.w r31,4[sp] st.w r22,0[sp] mov 1,r22 tst r7,r7 bp .L3 subr r0,r7 subr r0,r22 .L3: tst r6,r6 bp .L4 subr r0,r6 subr r0,r22 .L4: jarl ___udivsi3,r31 cmp r0,r22 bp .L7 subr r0,r10 .L7: ld.w 0[sp],r22 ld.w 4[sp],r31 add 8,sp jmp [r31] .size ___divsi3,.-___divsi3 #endif #ifdef L_umodsi3 .text .globl ___umodsi3 .type ___umodsi3,@function ___umodsi3: add -12,sp st.w r31,8[sp] st.w r7,4[sp] st.w r6,0[sp] jarl ___udivsi3,r31 ld.w 4[sp],r7 mov r10,r6 jarl ___mulsi3,r31 ld.w 0[sp],r6 subr r6,r10 ld.w 8[sp],r31 add 12,sp jmp [r31] .size ___umodsi3,.-___umodsi3 #endif /* L_umodsi3 */ #ifdef L_modsi3 .text .globl ___modsi3 .type ___modsi3,@function ___modsi3: add -12,sp st.w r31,8[sp] st.w r7,4[sp] st.w r6,0[sp] jarl ___divsi3,r31 ld.w 4[sp],r7 mov r10,r6 jarl ___mulsi3,r31 ld.w 0[sp],r6 subr r6,r10 ld.w 8[sp],r31 add 12,sp jmp [r31] .size ___modsi3,.-___modsi3 #endif /* L_modsi3 */ #ifdef L_save_2 .text .align 2 .globl __save_r2_r29 .type __save_r2_r29,@function /* Allocate space and save registers 2, 20 .. 29 on the stack */ /* Called via: jalr __save_r2_r29,r10 */ __save_r2_r29: mov ep,r1 addi -44,sp,sp mov sp,ep sst.w r29,0[ep] sst.w r28,4[ep] sst.w r27,8[ep] sst.w r26,12[ep] sst.w r25,16[ep] sst.w r24,20[ep] sst.w r23,24[ep] sst.w r22,28[ep] sst.w r21,32[ep] sst.w r20,36[ep] sst.w r2,40[ep] mov r1,ep jmp [r10] .size __save_r2_r29,.-__save_r2_r29 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r2_r29 */ .align 2 .globl __return_r2_r29 .type __return_r2_r29,@function __return_r2_r29: mov ep,r1 mov sp,ep sld.w 0[ep],r29 sld.w 4[ep],r28 sld.w 8[ep],r27 sld.w 12[ep],r26 sld.w 16[ep],r25 sld.w 20[ep],r24 sld.w 24[ep],r23 sld.w 28[ep],r22 sld.w 32[ep],r21 sld.w 36[ep],r20 sld.w 40[ep],r2 addi 44,sp,sp mov r1,ep jmp [r31] .size __return_r2_r29,.-__return_r2_r29 #endif /* L_save_2 */ #ifdef L_save_20 .text .align 2 .globl __save_r20_r29 .type __save_r20_r29,@function /* Allocate space and save registers 20 .. 29 on the stack */ /* Called via: jalr __save_r20_r29,r10 */ __save_r20_r29: mov ep,r1 addi -40,sp,sp mov sp,ep sst.w r29,0[ep] sst.w r28,4[ep] sst.w r27,8[ep] sst.w r26,12[ep] sst.w r25,16[ep] sst.w r24,20[ep] sst.w r23,24[ep] sst.w r22,28[ep] sst.w r21,32[ep] sst.w r20,36[ep] mov r1,ep jmp [r10] .size __save_r20_r29,.-__save_r20_r29 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r20_r29 */ .align 2 .globl __return_r20_r29 .type __return_r20_r29,@function __return_r20_r29: mov ep,r1 mov sp,ep sld.w 0[ep],r29 sld.w 4[ep],r28 sld.w 8[ep],r27 sld.w 12[ep],r26 sld.w 16[ep],r25 sld.w 20[ep],r24 sld.w 24[ep],r23 sld.w 28[ep],r22 sld.w 32[ep],r21 sld.w 36[ep],r20 addi 40,sp,sp mov r1,ep jmp [r31] .size __return_r20_r29,.-__return_r20_r29 #endif /* L_save_20 */ #ifdef L_save_21 .text .align 2 .globl __save_r21_r29 .type __save_r21_r29,@function /* Allocate space and save registers 21 .. 29 on the stack */ /* Called via: jalr __save_r21_r29,r10 */ __save_r21_r29: mov ep,r1 addi -36,sp,sp mov sp,ep sst.w r29,0[ep] sst.w r28,4[ep] sst.w r27,8[ep] sst.w r26,12[ep] sst.w r25,16[ep] sst.w r24,20[ep] sst.w r23,24[ep] sst.w r22,28[ep] sst.w r21,32[ep] mov r1,ep jmp [r10] .size __save_r21_r29,.-__save_r21_r29 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r21_r29 */ .align 2 .globl __return_r21_r29 .type __return_r21_r29,@function __return_r21_r29: mov ep,r1 mov sp,ep sld.w 0[ep],r29 sld.w 4[ep],r28 sld.w 8[ep],r27 sld.w 12[ep],r26 sld.w 16[ep],r25 sld.w 20[ep],r24 sld.w 24[ep],r23 sld.w 28[ep],r22 sld.w 32[ep],r21 addi 36,sp,sp mov r1,ep jmp [r31] .size __return_r21_r29,.-__return_r21_r29 #endif /* L_save_21 */ #ifdef L_save_22 .text .align 2 .globl __save_r22_r29 .type __save_r22_r29,@function /* Allocate space and save registers 22 .. 29 on the stack */ /* Called via: jalr __save_r22_r29,r10 */ __save_r22_r29: mov ep,r1 addi -32,sp,sp mov sp,ep sst.w r29,0[ep] sst.w r28,4[ep] sst.w r27,8[ep] sst.w r26,12[ep] sst.w r25,16[ep] sst.w r24,20[ep] sst.w r23,24[ep] sst.w r22,28[ep] mov r1,ep jmp [r10] .size __save_r22_r29,.-__save_r22_r29 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r22_r29 */ .align 2 .globl __return_r22_r29 .type __return_r22_r29,@function __return_r22_r29: mov ep,r1 mov sp,ep sld.w 0[ep],r29 sld.w 4[ep],r28 sld.w 8[ep],r27 sld.w 12[ep],r26 sld.w 16[ep],r25 sld.w 20[ep],r24 sld.w 24[ep],r23 sld.w 28[ep],r22 addi 32,sp,sp mov r1,ep jmp [r31] .size __return_r22_r29,.-__return_r22_r29 #endif /* L_save_22 */ #ifdef L_save_23 .text .align 2 .globl __save_r23_r29 .type __save_r23_r29,@function /* Allocate space and save registers 23 .. 29 on the stack */ /* Called via: jalr __save_r23_r29,r10 */ __save_r23_r29: mov ep,r1 addi -28,sp,sp mov sp,ep sst.w r29,0[ep] sst.w r28,4[ep] sst.w r27,8[ep] sst.w r26,12[ep] sst.w r25,16[ep] sst.w r24,20[ep] sst.w r23,24[ep] mov r1,ep jmp [r10] .size __save_r23_r29,.-__save_r23_r29 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r23_r29 */ .align 2 .globl __return_r23_r29 .type __return_r23_r29,@function __return_r23_r29: mov ep,r1 mov sp,ep sld.w 0[ep],r29 sld.w 4[ep],r28 sld.w 8[ep],r27 sld.w 12[ep],r26 sld.w 16[ep],r25 sld.w 20[ep],r24 sld.w 24[ep],r23 addi 28,sp,sp mov r1,ep jmp [r31] .size __return_r23_r29,.-__return_r23_r29 #endif /* L_save_23 */ #ifdef L_save_24 .text .align 2 .globl __save_r24_r29 .type __save_r24_r29,@function /* Allocate space and save registers 24 .. 29 on the stack */ /* Called via: jalr __save_r24_r29,r10 */ __save_r24_r29: mov ep,r1 addi -24,sp,sp mov sp,ep sst.w r29,0[ep] sst.w r28,4[ep] sst.w r27,8[ep] sst.w r26,12[ep] sst.w r25,16[ep] sst.w r24,20[ep] mov r1,ep jmp [r10] .size __save_r24_r29,.-__save_r24_r29 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r24_r29 */ .align 2 .globl __return_r24_r29 .type __return_r24_r29,@function __return_r24_r29: mov ep,r1 mov sp,ep sld.w 0[ep],r29 sld.w 4[ep],r28 sld.w 8[ep],r27 sld.w 12[ep],r26 sld.w 16[ep],r25 sld.w 20[ep],r24 addi 24,sp,sp mov r1,ep jmp [r31] .size __return_r24_r29,.-__return_r24_r29 #endif /* L_save_24 */ #ifdef L_save_25 .text .align 2 .globl __save_r25_r29 .type __save_r25_r29,@function /* Allocate space and save registers 25 .. 29 on the stack */ /* Called via: jalr __save_r25_r29,r10 */ __save_r25_r29: mov ep,r1 addi -20,sp,sp mov sp,ep sst.w r29,0[ep] sst.w r28,4[ep] sst.w r27,8[ep] sst.w r26,12[ep] sst.w r25,16[ep] mov r1,ep jmp [r10] .size __save_r25_r29,.-__save_r25_r29 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r25_r29 */ .align 2 .globl __return_r25_r29 .type __return_r25_r29,@function __return_r25_r29: mov ep,r1 mov sp,ep sld.w 0[ep],r29 sld.w 4[ep],r28 sld.w 8[ep],r27 sld.w 12[ep],r26 sld.w 16[ep],r25 addi 20,sp,sp mov r1,ep jmp [r31] .size __return_r25_r29,.-__return_r25_r29 #endif /* L_save_25 */ #ifdef L_save_26 .text .align 2 .globl __save_r26_r29 .type __save_r26_r29,@function /* Allocate space and save registers 26 .. 29 on the stack */ /* Called via: jalr __save_r26_r29,r10 */ __save_r26_r29: mov ep,r1 add -16,sp mov sp,ep sst.w r29,0[ep] sst.w r28,4[ep] sst.w r27,8[ep] sst.w r26,12[ep] mov r1,ep jmp [r10] .size __save_r26_r29,.-__save_r26_r29 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r26_r29 */ .align 2 .globl __return_r26_r29 .type __return_r26_r29,@function __return_r26_r29: mov ep,r1 mov sp,ep sld.w 0[ep],r29 sld.w 4[ep],r28 sld.w 8[ep],r27 sld.w 12[ep],r26 addi 16,sp,sp mov r1,ep jmp [r31] .size __return_r26_r29,.-__return_r26_r29 #endif /* L_save_26 */ #ifdef L_save_27 .text .align 2 .globl __save_r27_r29 .type __save_r27_r29,@function /* Allocate space and save registers 27 .. 29 on the stack */ /* Called via: jalr __save_r27_r29,r10 */ __save_r27_r29: add -12,sp st.w r29,0[sp] st.w r28,4[sp] st.w r27,8[sp] jmp [r10] .size __save_r27_r29,.-__save_r27_r29 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r27_r29 */ .align 2 .globl __return_r27_r29 .type __return_r27_r29,@function __return_r27_r29: ld.w 0[sp],r29 ld.w 4[sp],r28 ld.w 8[sp],r27 add 12,sp jmp [r31] .size __return_r27_r29,.-__return_r27_r29 #endif /* L_save_27 */ #ifdef L_save_28 .text .align 2 .globl __save_r28_r29 .type __save_r28_r29,@function /* Allocate space and save registers 28,29 on the stack */ /* Called via: jalr __save_r28_r29,r10 */ __save_r28_r29: add -8,sp st.w r29,0[sp] st.w r28,4[sp] jmp [r10] .size __save_r28_r29,.-__save_r28_r29 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r28_r29 */ .align 2 .globl __return_r28_r29 .type __return_r28_r29,@function __return_r28_r29: ld.w 0[sp],r29 ld.w 4[sp],r28 add 8,sp jmp [r31] .size __return_r28_r29,.-__return_r28_r29 #endif /* L_save_28 */ #ifdef L_save_29 .text .align 2 .globl __save_r29 .type __save_r29,@function /* Allocate space and save register 29 on the stack */ /* Called via: jalr __save_r29,r10 */ __save_r29: add -4,sp st.w r29,0[sp] jmp [r10] .size __save_r29,.-__save_r29 /* Restore saved register 29, deallocate stack and return to the user */ /* Called via: jr __return_r29 */ .align 2 .globl __return_r29 .type __return_r29,@function __return_r29: ld.w 0[sp],r29 add 4,sp jmp [r31] .size __return_r29,.-__return_r29 #endif /* L_save_28 */ #ifdef L_save_2c .text .align 2 .globl __save_r2_r31 .type __save_r2_r31,@function /* Allocate space and save registers 20 .. 29, 31 on the stack */ /* Also allocate space for the argument save area */ /* Called via: jalr __save_r2_r31,r10 */ __save_r2_r31: mov ep,r1 addi -64,sp,sp mov sp,ep sst.w r29,16[ep] sst.w r28,20[ep] sst.w r27,24[ep] sst.w r26,28[ep] sst.w r25,32[ep] sst.w r24,36[ep] sst.w r23,40[ep] sst.w r22,44[ep] sst.w r21,48[ep] sst.w r20,52[ep] sst.w r2,56[ep] sst.w r31,60[ep] mov r1,ep jmp [r10] .size __save_r2_r31,.-__save_r2_r31 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r20_r31 */ .align 2 .globl __return_r2_r31 .type __return_r2_r31,@function __return_r2_r31: mov ep,r1 mov sp,ep sld.w 16[ep],r29 sld.w 20[ep],r28 sld.w 24[ep],r27 sld.w 28[ep],r26 sld.w 32[ep],r25 sld.w 36[ep],r24 sld.w 40[ep],r23 sld.w 44[ep],r22 sld.w 48[ep],r21 sld.w 52[ep],r20 sld.w 56[ep],r2 sld.w 60[ep],r31 addi 64,sp,sp mov r1,ep jmp [r31] .size __return_r2_r31,.-__return_r2_r31 #endif /* L_save_2c */ #ifdef L_save_20c .text .align 2 .globl __save_r20_r31 .type __save_r20_r31,@function /* Allocate space and save registers 20 .. 29, 31 on the stack */ /* Also allocate space for the argument save area */ /* Called via: jalr __save_r20_r31,r10 */ __save_r20_r31: mov ep,r1 addi -60,sp,sp mov sp,ep sst.w r29,16[ep] sst.w r28,20[ep] sst.w r27,24[ep] sst.w r26,28[ep] sst.w r25,32[ep] sst.w r24,36[ep] sst.w r23,40[ep] sst.w r22,44[ep] sst.w r21,48[ep] sst.w r20,52[ep] sst.w r31,56[ep] mov r1,ep jmp [r10] .size __save_r20_r31,.-__save_r20_r31 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r20_r31 */ .align 2 .globl __return_r20_r31 .type __return_r20_r31,@function __return_r20_r31: mov ep,r1 mov sp,ep sld.w 16[ep],r29 sld.w 20[ep],r28 sld.w 24[ep],r27 sld.w 28[ep],r26 sld.w 32[ep],r25 sld.w 36[ep],r24 sld.w 40[ep],r23 sld.w 44[ep],r22 sld.w 48[ep],r21 sld.w 52[ep],r20 sld.w 56[ep],r31 addi 60,sp,sp mov r1,ep jmp [r31] .size __return_r20_r31,.-__return_r20_r31 #endif /* L_save_20c */ #ifdef L_save_21c .text .align 2 .globl __save_r21_r31 .type __save_r21_r31,@function /* Allocate space and save registers 21 .. 29, 31 on the stack */ /* Also allocate space for the argument save area */ /* Called via: jalr __save_r21_r31,r10 */ __save_r21_r31: mov ep,r1 addi -56,sp,sp mov sp,ep sst.w r29,16[ep] sst.w r28,20[ep] sst.w r27,24[ep] sst.w r26,28[ep] sst.w r25,32[ep] sst.w r24,36[ep] sst.w r23,40[ep] sst.w r22,44[ep] sst.w r21,48[ep] sst.w r31,52[ep] mov r1,ep jmp [r10] .size __save_r21_r31,.-__save_r21_r31 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r21_r31 */ .align 2 .globl __return_r21_r31 .type __return_r21_r31,@function __return_r21_r31: mov ep,r1 mov sp,ep sld.w 16[ep],r29 sld.w 20[ep],r28 sld.w 24[ep],r27 sld.w 28[ep],r26 sld.w 32[ep],r25 sld.w 36[ep],r24 sld.w 40[ep],r23 sld.w 44[ep],r22 sld.w 48[ep],r21 sld.w 52[ep],r31 addi 56,sp,sp mov r1,ep jmp [r31] .size __return_r21_r31,.-__return_r21_r31 #endif /* L_save_21c */ #ifdef L_save_22c .text .align 2 .globl __save_r22_r31 .type __save_r22_r31,@function /* Allocate space and save registers 22 .. 29, 31 on the stack */ /* Also allocate space for the argument save area */ /* Called via: jalr __save_r22_r31,r10 */ __save_r22_r31: mov ep,r1 addi -52,sp,sp mov sp,ep sst.w r29,16[ep] sst.w r28,20[ep] sst.w r27,24[ep] sst.w r26,28[ep] sst.w r25,32[ep] sst.w r24,36[ep] sst.w r23,40[ep] sst.w r22,44[ep] sst.w r31,48[ep] mov r1,ep jmp [r10] .size __save_r22_r31,.-__save_r22_r31 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r22_r31 */ .align 2 .globl __return_r22_r31 .type __return_r22_r31,@function __return_r22_r31: mov ep,r1 mov sp,ep sld.w 16[ep],r29 sld.w 20[ep],r28 sld.w 24[ep],r27 sld.w 28[ep],r26 sld.w 32[ep],r25 sld.w 36[ep],r24 sld.w 40[ep],r23 sld.w 44[ep],r22 sld.w 48[ep],r31 addi 52,sp,sp mov r1,ep jmp [r31] .size __return_r22_r31,.-__return_r22_r31 #endif /* L_save_22c */ #ifdef L_save_23c .text .align 2 .globl __save_r23_r31 .type __save_r23_r31,@function /* Allocate space and save registers 23 .. 29, 31 on the stack */ /* Also allocate space for the argument save area */ /* Called via: jalr __save_r23_r31,r10 */ __save_r23_r31: mov ep,r1 addi -48,sp,sp mov sp,ep sst.w r29,16[ep] sst.w r28,20[ep] sst.w r27,24[ep] sst.w r26,28[ep] sst.w r25,32[ep] sst.w r24,36[ep] sst.w r23,40[ep] sst.w r31,44[ep] mov r1,ep jmp [r10] .size __save_r23_r31,.-__save_r23_r31 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r23_r31 */ .align 2 .globl __return_r23_r31 .type __return_r23_r31,@function __return_r23_r31: mov ep,r1 mov sp,ep sld.w 16[ep],r29 sld.w 20[ep],r28 sld.w 24[ep],r27 sld.w 28[ep],r26 sld.w 32[ep],r25 sld.w 36[ep],r24 sld.w 40[ep],r23 sld.w 44[ep],r31 addi 48,sp,sp mov r1,ep jmp [r31] .size __return_r23_r31,.-__return_r23_r31 #endif /* L_save_23c */ #ifdef L_save_24c .text .align 2 .globl __save_r24_r31 .type __save_r24_r31,@function /* Allocate space and save registers 24 .. 29, 31 on the stack */ /* Also allocate space for the argument save area */ /* Called via: jalr __save_r24_r31,r10 */ __save_r24_r31: mov ep,r1 addi -44,sp,sp mov sp,ep sst.w r29,16[ep] sst.w r28,20[ep] sst.w r27,24[ep] sst.w r26,28[ep] sst.w r25,32[ep] sst.w r24,36[ep] sst.w r31,40[ep] mov r1,ep jmp [r10] .size __save_r24_r31,.-__save_r24_r31 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r24_r31 */ .align 2 .globl __return_r24_r31 .type __return_r24_r31,@function __return_r24_r31: mov ep,r1 mov sp,ep sld.w 16[ep],r29 sld.w 20[ep],r28 sld.w 24[ep],r27 sld.w 28[ep],r26 sld.w 32[ep],r25 sld.w 36[ep],r24 sld.w 40[ep],r31 addi 44,sp,sp mov r1,ep jmp [r31] .size __return_r24_r31,.-__return_r24_r31 #endif /* L_save_24c */ #ifdef L_save_25c .text .align 2 .globl __save_r25_r31 .type __save_r25_r31,@function /* Allocate space and save registers 25 .. 29, 31 on the stack */ /* Also allocate space for the argument save area */ /* Called via: jalr __save_r25_r31,r10 */ __save_r25_r31: mov ep,r1 addi -40,sp,sp mov sp,ep sst.w r29,16[ep] sst.w r28,20[ep] sst.w r27,24[ep] sst.w r26,28[ep] sst.w r25,32[ep] sst.w r31,36[ep] mov r1,ep jmp [r10] .size __save_r25_r31,.-__save_r25_r31 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r25_r31 */ .align 2 .globl __return_r25_r31 .type __return_r25_r31,@function __return_r25_r31: mov ep,r1 mov sp,ep sld.w 16[ep],r29 sld.w 20[ep],r28 sld.w 24[ep],r27 sld.w 28[ep],r26 sld.w 32[ep],r25 sld.w 36[ep],r31 addi 40,sp,sp mov r1,ep jmp [r31] .size __return_r25_r31,.-__return_r25_r31 #endif /* L_save_25c */ #ifdef L_save_26c .text .align 2 .globl __save_r26_r31 .type __save_r26_r31,@function /* Allocate space and save registers 26 .. 29, 31 on the stack */ /* Also allocate space for the argument save area */ /* Called via: jalr __save_r26_r31,r10 */ __save_r26_r31: mov ep,r1 addi -36,sp,sp mov sp,ep sst.w r29,16[ep] sst.w r28,20[ep] sst.w r27,24[ep] sst.w r26,28[ep] sst.w r31,32[ep] mov r1,ep jmp [r10] .size __save_r26_r31,.-__save_r26_r31 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r26_r31 */ .align 2 .globl __return_r26_r31 .type __return_r26_r31,@function __return_r26_r31: mov ep,r1 mov sp,ep sld.w 16[ep],r29 sld.w 20[ep],r28 sld.w 24[ep],r27 sld.w 28[ep],r26 sld.w 32[ep],r31 addi 36,sp,sp mov r1,ep jmp [r31] .size __return_r26_r31,.-__return_r26_r31 #endif /* L_save_26c */ #ifdef L_save_27c .text .align 2 .globl __save_r27_r31 .type __save_r27_r31,@function /* Allocate space and save registers 27 .. 29, 31 on the stack */ /* Also allocate space for the argument save area */ /* Called via: jalr __save_r27_r31,r10 */ __save_r27_r31: mov ep,r1 addi -32,sp,sp mov sp,ep sst.w r29,16[ep] sst.w r28,20[ep] sst.w r27,24[ep] sst.w r31,28[ep] mov r1,ep jmp [r10] .size __save_r27_r31,.-__save_r27_r31 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r27_r31 */ .align 2 .globl __return_r27_r31 .type __return_r27_r31,@function __return_r27_r31: mov ep,r1 mov sp,ep sld.w 16[ep],r29 sld.w 20[ep],r28 sld.w 24[ep],r27 sld.w 28[ep],r31 addi 32,sp,sp mov r1,ep jmp [r31] .size __return_r27_r31,.-__return_r27_r31 #endif /* L_save_27c */ #ifdef L_save_28c .text .align 2 .globl __save_r28_r31 .type __save_r28_r31,@function /* Allocate space and save registers 28 .. 29, 31 on the stack */ /* Also allocate space for the argument save area */ /* Called via: jalr __save_r28_r31,r10 */ __save_r28_r31: addi -28,sp,sp st.w r29,16[sp] st.w r28,20[sp] st.w r31,24[sp] jmp [r10] .size __save_r28_r31,.-__save_r28_r31 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r28_r31 */ .align 2 .globl __return_r28_r31 .type __return_r28_r31,@function __return_r28_r31: ld.w 16[sp],r29 ld.w 20[sp],r28 ld.w 24[sp],r31 addi 28,sp,sp jmp [r31] .size __return_r28_r31,.-__return_r28_r31 #endif /* L_save_28c */ #ifdef L_save_29c .text .align 2 .globl __save_r29_r31 .type __save_r29_r31,@function /* Allocate space and save registers 29 & 31 on the stack */ /* Also allocate space for the argument save area */ /* Called via: jalr __save_r29_r31,r10 */ __save_r29_r31: addi -24,sp,sp st.w r29,16[sp] st.w r31,20[sp] jmp [r10] .size __save_r29_r31,.-__save_r29_r31 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r29_r31 */ .align 2 .globl __return_r29_r31 .type __return_r29_r31,@function __return_r29_r31: ld.w 16[sp],r29 ld.w 20[sp],r31 addi 24,sp,sp jmp [r31] .size __return_r29_r31,.-__return_r29_r31 #endif /* L_save_29c */ #ifdef L_save_31c .text .align 2 .globl __save_r31 .type __save_r31,@function /* Allocate space and save register 31 on the stack */ /* Also allocate space for the argument save area */ /* Called via: jalr __save_r29_r31,r10 */ __save_r31: addi -20,sp,sp st.w r31,16[sp] jmp [r10] .size __save_r31,.-__save_r31 /* Restore saved registers, deallocate stack and return to the user */ /* Called via: jr __return_r31 */ .align 2 .globl __return_r31 .type __return_r31,@function __return_r31: ld.w 16[sp],r31 addi 20,sp,sp jmp [r31] .size __return_r29_r31,.-__return_r29_r31 #endif /* L_save_31c */ #ifdef L_save_varargs .text .align 2 .globl __save_r6_r9 .type __save_r6_r9,@function /* Save registers 6 .. 9 on the stack for variable argument functions */ /* Called via: jalr __save_r6_r9,r10 */ __save_r6_r9: mov ep,r1 mov sp,ep sst.w r6,0[ep] sst.w r7,4[ep] sst.w r8,8[ep] sst.w r9,12[ep] mov r1,ep jmp [r10] .size __save_r6_r9,.-__save_r6_r9 #endif /* L_save_varargs */ #ifdef L_save_interrupt .text .align 2 .globl __save_interrupt .type __save_interrupt,@function /* Save registers r1, r4 on stack and load up with expected values */ /* Note, 12 bytes of stack have already been allocated. */ /* Called via: jalr __save_interrupt,r10 */ __save_interrupt: st.w ep,0[sp] st.w gp,4[sp] st.w r1,8[sp] movhi hi(__ep),r0,ep movea lo(__ep),ep,ep movhi hi(__gp),r0,gp movea lo(__gp),gp,gp jmp [r10] .size __save_interrupt,.-__save_interrupt /* Restore saved registers, deallocate stack and return from the interrupt */ /* Called via: jr __return_interrupt */ .align 2 .globl __return_interrupt .type __return_interrupt,@function __return_interrupt: ld.w 0[sp],ep ld.w 4[sp],gp ld.w 8[sp],r1 ld.w 12[sp],r10 addi 16,sp,sp reti .size __return_interrupt,.-__return_interrupt #endif /* L_save_interrupt */ #ifdef L_save_all_interrupt .text .align 2 .globl __save_all_interrupt .type __save_all_interrupt,@function /* Save all registers except for those saved in __save_interrupt */ /* allocate enough stack for all of the registers & 16 bytes of space */ /* Called via: jalr __save_all_interrupt,r10 */ __save_all_interrupt: addi -120,sp,sp mov ep,r1 mov sp,ep sst.w r31,116[ep] sst.w r2,112[ep] sst.w gp,108[ep] sst.w r6,104[ep] sst.w r7,100[ep] sst.w r8,96[ep] sst.w r9,92[ep] sst.w r11,88[ep] sst.w r12,84[ep] sst.w r13,80[ep] sst.w r14,76[ep] sst.w r15,72[ep] sst.w r16,68[ep] sst.w r17,64[ep] sst.w r18,60[ep] sst.w r19,56[ep] sst.w r20,52[ep] sst.w r21,48[ep] sst.w r22,44[ep] sst.w r23,40[ep] sst.w r24,36[ep] sst.w r25,32[ep] sst.w r26,28[ep] sst.w r27,24[ep] sst.w r28,20[ep] sst.w r29,16[ep] mov r1,ep jmp [r10] .size __save_all_interrupt,.-__save_all_interrupt .globl __restore_all_interrupt .type __restore_all_interrupt,@function /* Restore all registers saved in __save_all_interrupt */ /* & deallocate the stack space */ /* Called via: jalr __restore_all_interrupt,r10 */ __restore_all_interrupt: mov ep,r1 mov sp,ep sld.w 116[ep],r31 sld.w 112[ep],r2 sld.w 108[ep],gp sld.w 104[ep],r6 sld.w 100[ep],r7 sld.w 96[ep],r8 sld.w 92[ep],r9 sld.w 88[ep],r11 sld.w 84[ep],r12 sld.w 80[ep],r13 sld.w 76[ep],r14 sld.w 72[ep],r15 sld.w 68[ep],r16 sld.w 64[ep],r17 sld.w 60[ep],r18 sld.w 56[ep],r19 sld.w 52[ep],r20 sld.w 48[ep],r21 sld.w 44[ep],r22 sld.w 40[ep],r23 sld.w 36[ep],r24 sld.w 32[ep],r25 sld.w 28[ep],r26 sld.w 24[ep],r27 sld.w 20[ep],r28 sld.w 16[ep],r29 mov r1,ep addi 120,sp,sp jmp [r10] .size __restore_all_interrupt,.-__restore_all_interrupt #endif /* L_save_all_interrupt */