asm.S
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/*
* Copyright (C) 2002 Wolfgang Denk <wd@denx.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <post.h>
#include <ppc_asm.tmpl>
#include <ppc_defs.h>
#include <asm/cache.h>
#if CONFIG_POST & CONFIG_SYS_POST_CPU
/* void cpu_post_exec_02 (ulong *code, ulong op1, ulong op2); */
.global cpu_post_exec_02
cpu_post_exec_02:
isync
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:
isync
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:
isync
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:
isync
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:
isync
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:
isync
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:
isync
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:
isync
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:
isync
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:
isync
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:
isync
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:
isync
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
mfcr r7
blrl
mtcr r7
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