devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

Clean code a bit (no functional changes)

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20715 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2009-04-16 14:34:49 +00:00
parent f3643181ae
commit 2995c2d265
1 changed files with 23 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

45
apps/codecs/lib/setjmp_mips.S
View file

@ -1,4 +1,5 @@
#include "config.h"
#include "mips.h"
/* This is a simple version of setjmp and longjmp for MIPS 32 and 64.
@ -9,7 +10,7 @@
.set nomips16
#endif
#define GPR_LAYOUT \
#define GPR_LAYOUT \
GPR_OFFSET ($16, 0); \
GPR_OFFSET ($17, 1); \
GPR_OFFSET ($18, 2); \
@ -25,7 +26,7 @@
#define NUM_GPRS_SAVED 11
#ifdef __mips_hard_float
#define FPR_LAYOUT \
#define FPR_LAYOUT \
FPR_OFFSET ($f20, 0); \
FPR_OFFSET ($f21, 1); \
FPR_OFFSET ($f22, 2); \
@ -36,7 +37,7 @@
FPR_OFFSET ($f27, 7); \
FPR_OFFSET ($f28, 8); \
FPR_OFFSET ($f29, 9); \
FPR_OFFSET ($f30, 10); \
FPR_OFFSET ($f30, 10); \
FPR_OFFSET ($f31, 11)
#else
#define FPR_LAYOUT
@ -44,14 +45,14 @@
#if CPU_MIPS == 64
#define BYTES_PER_WORD 8
#define LOAD_GPR ld
#define LOAD_FPR ldc1
#define LOAD_GPR ld
#define LOAD_FPR ldc1
#define STORE_GPR sd
#define STORE_FPR sdc1
#else
#define BYTES_PER_WORD 4
#define LOAD_GPR lw
#define LOAD_FPR lwc1
#define LOAD_GPR lw
#define LOAD_FPR lwc1
#define STORE_GPR sw
#define STORE_FPR swc1
#endif
@ -60,41 +61,41 @@
#define FPOFF(INDEX) ((INDEX + NUM_GPRS_SAVED) * BYTES_PER_WORD)
/* int setjmp (jmp_buf); */
.globl setjmp
.globl setjmp
.ent setjmp
setjmp:
.frame $sp,0,$31
.frame sp, 0, ra
#define GPR_OFFSET(REG, INDEX) STORE_GPR REG,GPOFF(INDEX)($4)
#define FPR_OFFSET(REG, INDEX) STORE_FPR REG,FPOFF(INDEX)($4)
#define GPR_OFFSET(REG, INDEX) STORE_GPR REG,GPOFF(INDEX)(a0)
#define FPR_OFFSET(REG, INDEX) STORE_FPR REG,FPOFF(INDEX)(a0)
GPR_LAYOUT
FPR_LAYOUT
#undef GPR_OFFSET
#undef FPR_OFFSET
move $2,$0
j $31
move v0, $0
j ra
.end setjmp
/* volatile void longjmp (jmp_buf, int); */
.globl longjmp
.globl longjmp
.ent longjmp
longjmp:
.frame $sp,0,$31
.frame sp, 0, ra
#define GPR_OFFSET(REG, INDEX) LOAD_GPR REG,GPOFF(INDEX)($4)
#define FPR_OFFSET(REG, INDEX) LOAD_FPR REG,FPOFF(INDEX)($4)
#define GPR_OFFSET(REG, INDEX) LOAD_GPR REG,GPOFF(INDEX)(a0)
#define FPR_OFFSET(REG, INDEX) LOAD_FPR REG,FPOFF(INDEX)(a0)
GPR_LAYOUT
FPR_LAYOUT
#undef GPR_OFFSET
#undef FPR_OFFSET
bne $5,$0,1f
li $5,1
bne a1, $0, 1f
li a1, 1
1:
move $2,$5
j $31
move v0, a1
j ra
.end longjmp
.end longjmp