rockbox/lib/libsetjmp/sh/setjmp.S
Thomas Martitz 46454ac2a8 Move setjmp to lib and add setjmp for sh (imported from newlib) and compile it as separate library.
It's used by both, plugins and codecs, and sh/hwcodec doesn't compile codecs
so it doesn't fit into sources.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27869 a1c6a512-1295-4272-9138-f99709370657
2010-08-24 12:38:42 +00:00

194 lines
3.7 KiB
ArmAsm

#include "config.h"
#ifdef ROCKBOX_LITTLE_ENDIAN
#define __LITTLE_ENDIAN__
#endif
/* SH7034, the only supported sh target supported by Rockbox is sh1 */
#define __SH5__ 0
#define __SHMEDIA__ 0
/* below is unmodified setjmp.S revision 1.3 from newlib cvs */
#if __SHMEDIA__
.mode SHmedia
#endif
#include "asm.h"
ENTRY(setjmp)
#if __SH5__
ptabs r18, tr0
gettr tr5, r5
gettr tr6, r6
gettr tr7, r7
st.q r2, 0*8, r18
st.q r2, 1*8, r10
st.q r2, 2*8, r11
st.q r2, 3*8, r12
st.q r2, 4*8, r13
st.q r2, 5*8, r14
st.q r2, 6*8, r15
st.q r2, 7*8, r28
st.q r2, 8*8, r29
st.q r2, 9*8, r30
st.q r2, 10*8, r31
st.q r2, 11*8, r32
st.q r2, 12*8, r33
st.q r2, 13*8, r34
st.q r2, 14*8, r35
st.q r2, 15*8, r44
st.q r2, 16*8, r45
st.q r2, 17*8, r46
st.q r2, 18*8, r47
st.q r2, 19*8, r48
st.q r2, 20*8, r49
st.q r2, 21*8, r50
st.q r2, 22*8, r51
st.q r2, 23*8, r52
st.q r2, 24*8, r53
st.q r2, 25*8, r54
st.q r2, 26*8, r55
st.q r2, 27*8, r56
st.q r2, 28*8, r57
st.q r2, 29*8, r58
st.q r2, 30*8, r59
st.q r2, 31*8, r5
st.q r2, 32*8, r6
st.q r2, 33*8, r7
#if ! __SH4_NOFPU__
fst.d r2, 34*8, dr12
fst.d r2, 35*8, dr14
fst.d r2, 36*8, dr36
fst.d r2, 37*8, dr38
fst.d r2, 38*8, dr40
fst.d r2, 39*8, dr42
fst.d r2, 40*8, dr44
fst.d r2, 41*8, dr46
fst.d r2, 42*8, dr48
fst.d r2, 43*8, dr50
fst.d r2, 44*8, dr52
fst.d r2, 45*8, dr54
fst.d r2, 46*8, dr56
fst.d r2, 47*8, dr58
fst.d r2, 48*8, dr60
fst.d r2, 49*8, dr62
#endif
movi 0, r2
blink tr0, r63
#else
#if defined (__SH2E__) || defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__)
add #(13*4),r4
#else
add #(9*4),r4
#endif
sts.l pr,@-r4
#if defined (__SH2E__) || defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__)
fmov.s fr15,@-r4 ! call saved floating point registers
fmov.s fr14,@-r4
fmov.s fr13,@-r4
fmov.s fr12,@-r4
#endif
mov.l r15,@-r4 ! call saved integer registers
mov.l r14,@-r4
mov.l r13,@-r4
mov.l r12,@-r4
mov.l r11,@-r4
mov.l r10,@-r4
mov.l r9,@-r4
mov.l r8,@-r4
rts
mov #0,r0
#endif /* __SH5__ */
ENTRY(longjmp)
#if __SH5__
ld.q r2, 0*8, r18
ptabs r18, tr0
ld.q r2, 1*8, r10
ld.q r2, 2*8, r11
ld.q r2, 3*8, r12
ld.q r2, 4*8, r13
ld.q r2, 5*8, r14
ld.q r2, 6*8, r15
ld.q r2, 7*8, r28
ld.q r2, 8*8, r29
ld.q r2, 9*8, r30
ld.q r2, 10*8, r31
ld.q r2, 11*8, r32
ld.q r2, 12*8, r33
ld.q r2, 13*8, r34
ld.q r2, 14*8, r35
ld.q r2, 15*8, r44
ld.q r2, 16*8, r45
ld.q r2, 17*8, r46
ld.q r2, 18*8, r47
ld.q r2, 19*8, r48
ld.q r2, 20*8, r49
ld.q r2, 21*8, r50
ld.q r2, 22*8, r51
ld.q r2, 23*8, r52
ld.q r2, 24*8, r53
ld.q r2, 25*8, r54
ld.q r2, 26*8, r55
ld.q r2, 27*8, r56
ld.q r2, 28*8, r57
ld.q r2, 29*8, r58
ld.q r2, 30*8, r59
ld.q r2, 31*8, r5
ld.q r2, 32*8, r6
ld.q r2, 33*8, r7
ptabs r5, tr5
ptabs r6, tr6
ptabs r7, tr7
#if ! __SH4_NOFPU__
fld.d r2, 34*8, dr12
fld.d r2, 35*8, dr14
fld.d r2, 36*8, dr36
fld.d r2, 37*8, dr38
fld.d r2, 38*8, dr40
fld.d r2, 39*8, dr42
fld.d r2, 40*8, dr44
fld.d r2, 41*8, dr46
fld.d r2, 42*8, dr48
fld.d r2, 43*8, dr50
fld.d r2, 44*8, dr52
fld.d r2, 45*8, dr54
fld.d r2, 46*8, dr56
fld.d r2, 47*8, dr58
fld.d r2, 48*8, dr60
fld.d r2, 49*8, dr62
#endif
movi 1, r2
cmvne r3, r3, r2
blink tr0, r63
#else
mov.l @r4+,r8
mov.l @r4+,r9
mov.l @r4+,r10
mov.l @r4+,r11
mov.l @r4+,r12
mov.l @r4+,r13
mov.l @r4+,r14
mov.l @r4+,r15
#if defined (__SH2E__) || defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__)
fmov.s @r4+,fr12 ! call saved floating point registers
fmov.s @r4+,fr13
fmov.s @r4+,fr14
fmov.s @r4+,fr15
#endif
lds.l @r4+,pr
mov r5,r0
tst r0,r0
bf retr4
movt r0
retr4: rts
nop
#endif /* __SH5__ */