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author | wdenk <wdenk> | 2002-09-12 22:01:13 +0000 |
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committer | wdenk <wdenk> | 2002-09-12 22:01:13 +0000 |
commit | a46d821fc88674246b74569dcdc54cdac91dfc4c (patch) | |
tree | e05279860307d69ba414c28833d7d256ba57fa29 /post/cpu/asm.S | |
parent | da27dcf0086832769bef80afa120c408432c13f2 (diff) | |
download | u-boot-imx-a46d821fc88674246b74569dcdc54cdac91dfc4c.zip u-boot-imx-a46d821fc88674246b74569dcdc54cdac91dfc4c.tar.gz u-boot-imx-a46d821fc88674246b74569dcdc54cdac91dfc4c.tar.bz2 |
Initial revision
Diffstat (limited to 'post/cpu/asm.S')
-rw-r--r-- | post/cpu/asm.S | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/post/cpu/asm.S b/post/cpu/asm.S new file mode 100644 index 0000000..a0815a4 --- /dev/null +++ b/post/cpu/asm.S @@ -0,0 +1,346 @@ +/* + * Copyright (C) 2002 Wolfgang Denk <wd@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program 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 of + * the License, or (at your option) any later version. + * + * This program 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; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> + +#ifdef CONFIG_POST + +#include <post.h> +#include <ppc_asm.tmpl> +#include <ppc_defs.h> +#include <asm/cache.h> + +#if CONFIG_POST & CFG_POST_CPU + +/* void cpu_post_exec_02 (ulong *code, ulong op1, ulong op2); */ + .global cpu_post_exec_02 +cpu_post_exec_02: + mflr r0 + stwu r0, -4(r1) + + subi r1, r1, 104 + stmw r6, 0(r1) + + mtlr r3 + mr r3, r4 + mr r4, r5 + blrl + + lmw r6, 0(r1) + addi r1, r1, 104 + + lwz r0, 0(r1) + addi r1, r1, 4 + mtlr r0 + blr + +/* void cpu_post_exec_04 (ulong *code, ulong op1, ulong op2, ulong op3, ulong op4); */ + .global cpu_post_exec_04 +cpu_post_exec_04: + mflr r0 + stwu r0, -4(r1) + + subi r1, r1, 96 + stmw r8, 0(r1) + + mtlr r3 + mr r3, r4 + mr r4, r5 + mr r5, r6 + mtxer r7 + blrl + + lmw r8, 0(r1) + addi r1, r1, 96 + + lwz r0, 0(r1) + addi r1, r1, 4 + mtlr r0 + blr + +/* void cpu_post_exec_12 (ulong *code, ulong *res, ulong op1, ulong op2); */ + .global cpu_post_exec_12 +cpu_post_exec_12: + mflr r0 + stwu r0, -4(r1) + stwu r4, -4(r1) + + mtlr r3 + mr r3, r5 + mr r4, r6 + blrl + + lwz r4, 0(r1) + stw r3, 0(r4) + + lwz r0, 4(r1) + addi r1, r1, 8 + mtlr r0 + blr + +/* void cpu_post_exec_11 (ulong *code, ulong *res, ulong op1); */ + .global cpu_post_exec_11 +cpu_post_exec_11: + mflr r0 + stwu r0, -4(r1) + stwu r4, -4(r1) + + mtlr r3 + mr r3, r5 + blrl + + lwz r4, 0(r1) + stw r3, 0(r4) + + lwz r0, 4(r1) + addi r1, r1, 8 + mtlr r0 + blr + +/* void cpu_post_exec_21 (ulong *code, ulong *cr, ulong *res, ulong op1); */ + .global cpu_post_exec_21 +cpu_post_exec_21: + mflr r0 + stwu r0, -4(r1) + stwu r4, -4(r1) + stwu r5, -4(r1) + + li r0, 0 + mtxer r0 + lwz r0, 0(r4) + mtcr r0 + + mtlr r3 + mr r3, r6 + blrl + + mfcr r0 + lwz r4, 4(r1) + stw r0, 0(r4) + lwz r4, 0(r1) + stw r3, 0(r4) + + lwz r0, 8(r1) + addi r1, r1, 12 + mtlr r0 + blr + +/* void cpu_post_exec_22 (ulong *code, ulong *cr, ulong *res, ulong op1, + ulong op2); */ + .global cpu_post_exec_22 +cpu_post_exec_22: + mflr r0 + stwu r0, -4(r1) + stwu r4, -4(r1) + stwu r5, -4(r1) + + li r0, 0 + mtxer r0 + lwz r0, 0(r4) + mtcr r0 + + mtlr r3 + mr r3, r6 + mr r4, r7 + blrl + + mfcr r0 + lwz r4, 4(r1) + stw r0, 0(r4) + lwz r4, 0(r1) + stw r3, 0(r4) + + lwz r0, 8(r1) + addi r1, r1, 12 + mtlr r0 + blr + +/* void cpu_post_exec_12w (ulong *code, ulong *op1, ulong op2, ulong op3); */ + .global cpu_post_exec_12w +cpu_post_exec_12w: + mflr r0 + stwu r0, -4(r1) + stwu r4, -4(r1) + + mtlr r3 + lwz r3, 0(r4) + mr r4, r5 + mr r5, r6 + blrl + + lwz r4, 0(r1) + stw r3, 0(r4) + + lwz r0, 4(r1) + addi r1, r1, 8 + mtlr r0 + blr + +/* void cpu_post_exec_11w (ulong *code, ulong *op1, ulong op2); */ + .global cpu_post_exec_11w +cpu_post_exec_11w: + mflr r0 + stwu r0, -4(r1) + stwu r4, -4(r1) + + mtlr r3 + lwz r3, 0(r4) + mr r4, r5 + blrl + + lwz r4, 0(r1) + stw r3, 0(r4) + + lwz r0, 4(r1) + addi r1, r1, 8 + mtlr r0 + blr + +/* void cpu_post_exec_22w (ulong *code, ulong *op1, ulong op2, ulong *op3); */ + .global cpu_post_exec_22w +cpu_post_exec_22w: + mflr r0 + stwu r0, -4(r1) + stwu r4, -4(r1) + stwu r6, -4(r1) + + mtlr r3 + lwz r3, 0(r4) + mr r4, r5 + blrl + + lwz r4, 4(r1) + stw r3, 0(r4) + lwz r4, 0(r1) + stw r5, 0(r4) + + lwz r0, 8(r1) + addi r1, r1, 12 + mtlr r0 + blr + +/* void cpu_post_exec_21w (ulong *code, ulong *op1, ulong *op2); */ + .global cpu_post_exec_21w +cpu_post_exec_21w: + mflr r0 + stwu r0, -4(r1) + stwu r4, -4(r1) + stwu r5, -4(r1) + + mtlr r3 + lwz r3, 0(r4) + blrl + + lwz r5, 4(r1) + stw r3, 0(r5) + lwz r5, 0(r1) + stw r4, 0(r5) + + lwz r0, 8(r1) + addi r1, r1, 12 + mtlr r0 + blr + +/* void cpu_post_exec_21x (ulong *code, ulong *op1, ulong *op2, ulong op3); */ + .global cpu_post_exec_21x +cpu_post_exec_21x: + mflr r0 + stwu r0, -4(r1) + stwu r4, -4(r1) + stwu r5, -4(r1) + + mtlr r3 + mr r3, r6 + blrl + + lwz r5, 4(r1) + stw r3, 0(r5) + lwz r5, 0(r1) + stw r4, 0(r5) + + lwz r0, 8(r1) + addi r1, r1, 12 + mtlr r0 + blr + +/* void cpu_post_exec_31 (ulong *code, ulong *ctr, ulong *lr, ulong *jump, + ulong cr); */ + .global cpu_post_exec_31 +cpu_post_exec_31: + mflr r0 + stwu r0, -4(r1) + stwu r4, -4(r1) + stwu r5, -4(r1) + stwu r6, -4(r1) + + mtlr r3 + lwz r3, 0(r4) + lwz r4, 0(r5) + mr r6, r7 + blrl + + lwz r7, 8(r1) + stw r3, 0(r7) + lwz r7, 4(r1) + stw r4, 0(r7) + lwz r7, 0(r1) + stw r5, 0(r7) + + lwz r0, 12(r1) + addi r1, r1, 16 + mtlr r0 + blr + +/* int cpu_post_complex_1_asm (int a1, int a2, int a3, int a4, int n); */ + .global cpu_post_complex_1_asm +cpu_post_complex_1_asm: + li r9,0 + cmpw r9,r7 + bge cpu_post_complex_1_done + mtctr r7 +cpu_post_complex_1_loop: + mullw r0,r3,r4 + subf r0,r5,r0 + divw r0,r0,r6 + add r9,r9,r0 + bdnz cpu_post_complex_1_loop +cpu_post_complex_1_done: + mr r3,r9 + blr + +/* int cpu_post_complex_2_asm (int x, int n); */ + .global cpu_post_complex_2_asm +cpu_post_complex_2_asm: + mr. r0,r4 + mtctr r0 + mr r0,r3 + li r3,1 + li r4,1 + blelr +cpu_post_complex_2_loop: + mullw r3,r3,r0 + add r3,r3,r4 + bdnz cpu_post_complex_2_loop +blr + +#endif +#endif |