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authorwdenk <wdenk>2002-09-12 22:01:13 +0000
committerwdenk <wdenk>2002-09-12 22:01:13 +0000
commita46d821fc88674246b74569dcdc54cdac91dfc4c (patch)
treee05279860307d69ba414c28833d7d256ba57fa29 /post/cpu/asm.S
parentda27dcf0086832769bef80afa120c408432c13f2 (diff)
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+/*
+ * 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