mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 13:13:57 +08:00
1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
369 lines
8.0 KiB
ArmAsm
369 lines
8.0 KiB
ArmAsm
/*
|
|
* fp_movem.S
|
|
*
|
|
* Copyright Roman Zippel, 1997. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, and the entire permission notice in its entirety,
|
|
* including the disclaimer of warranties.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote
|
|
* products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* ALTERNATIVELY, this product may be distributed under the terms of
|
|
* the GNU General Public License, in which case the provisions of the GPL are
|
|
* required INSTEAD OF the above restrictions. (This clause is
|
|
* necessary due to a potential bad interaction between the GPL and
|
|
* the restrictions contained in a BSD-style copyright.)
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "fp_emu.h"
|
|
#include "fp_decode.h"
|
|
|
|
| set flags for decode macros for fmovem
|
|
do_fmovem=1
|
|
|
|
.globl fp_fmovem_fp, fp_fmovem_cr
|
|
|
|
| %d1 contains the mask and count of the register list
|
|
| for other register usage see fp_decode.h
|
|
|
|
fp_fmovem_fp:
|
|
printf PDECODE,"fmovem.x "
|
|
| get register list and count them
|
|
btst #11,%d2
|
|
jne 1f
|
|
bfextu %d2{#24,#8},%d0 | static register list
|
|
jra 2f
|
|
1: bfextu %d2{#25,#3},%d0 | dynamic register list
|
|
jsr fp_get_data_reg
|
|
2: move.l %d0,%d1
|
|
swap %d1
|
|
jra 2f
|
|
1: addq.w #1,%d1 | count the # of registers in
|
|
2: lsr.b #1,%d0 | register list and keep it in %d1
|
|
jcs 1b
|
|
jne 2b
|
|
printf PDECODE,"#%08x",1,%d1
|
|
#ifdef FPU_EMU_DEBUG
|
|
btst #12,%d2
|
|
jne 1f
|
|
printf PDECODE,"-" | decremental move
|
|
jra 2f
|
|
1: printf PDECODE,"+" | incremental move
|
|
2: btst #13,%d2
|
|
jeq 1f
|
|
printf PDECODE,"->" | fpu -> cpu
|
|
jra 2f
|
|
1: printf PDECODE,"<-" | fpu <- cpu
|
|
2:
|
|
#endif
|
|
|
|
| decode address mode
|
|
fp_decode_addr_mode
|
|
|
|
.long fp_ill, fp_ill
|
|
.long fpr_indirect, fpr_postinc
|
|
.long fpr_predecr, fpr_disp16
|
|
.long fpr_extmode0, fpr_extmode1
|
|
|
|
| addressing mode: address register indirect
|
|
fpr_indirect:
|
|
fp_mode_addr_indirect
|
|
jra fpr_do_movem
|
|
|
|
| addressing mode: address register indirect with postincrement
|
|
fpr_postinc:
|
|
fp_mode_addr_indirect_postinc
|
|
jra fpr_do_movem
|
|
|
|
fpr_predecr:
|
|
fp_mode_addr_indirect_predec
|
|
jra fpr_do_movem
|
|
|
|
| addressing mode: address register/programm counter indirect
|
|
| with 16bit displacement
|
|
fpr_disp16:
|
|
fp_mode_addr_indirect_disp16
|
|
jra fpr_do_movem
|
|
|
|
fpr_extmode0:
|
|
fp_mode_addr_indirect_extmode0
|
|
jra fpr_do_movem
|
|
|
|
fpr_extmode1:
|
|
fp_decode_addr_reg
|
|
jmp ([0f:w,%pc,%d0*4])
|
|
|
|
.align 4
|
|
0:
|
|
.long fpr_absolute_short, fpr_absolute_long
|
|
.long fpr_disp16, fpr_extmode0
|
|
.long fp_ill, fp_ill
|
|
.long fp_ill, fp_ill
|
|
|
|
fpr_absolute_short:
|
|
fp_mode_abs_short
|
|
jra fpr_do_movem
|
|
|
|
fpr_absolute_long:
|
|
fp_mode_abs_long
|
|
| jra fpr_do_movem
|
|
|
|
fpr_do_movem:
|
|
swap %d1 | get fpu register list
|
|
lea (FPD_FPREG,FPDATA),%a1
|
|
moveq #12,%d0
|
|
btst #12,%d2
|
|
jne 1f
|
|
lea (-12,%a1,%d0*8),%a1
|
|
neg.l %d0
|
|
1: btst #13,%d2
|
|
jne 4f
|
|
| move register from memory into fpu
|
|
jra 3f
|
|
1: printf PMOVEM,"(%p>%p)",2,%a0,%a1
|
|
getuser.l (%a0)+,%d2,fp_err_ua1,%a0
|
|
lsr.l #8,%d2
|
|
lsr.l #7,%d2
|
|
lsr.w #1,%d2
|
|
move.l %d2,(%a1)+
|
|
getuser.l (%a0)+,%d2,fp_err_ua1,%a0
|
|
move.l %d2,(%a1)+
|
|
getuser.l (%a0),%d2,fp_err_ua1,%a0
|
|
move.l %d2,(%a1)
|
|
subq.l #8,%a0
|
|
subq.l #8,%a1
|
|
add.l %d0,%a0
|
|
2: add.l %d0,%a1
|
|
3: lsl.b #1,%d1
|
|
jcs 1b
|
|
jne 2b
|
|
jra 5f
|
|
| move register from fpu into memory
|
|
1: printf PMOVEM,"(%p>%p)",2,%a1,%a0
|
|
move.l (%a1)+,%d2
|
|
lsl.w #1,%d2
|
|
lsl.l #7,%d2
|
|
lsl.l #8,%d2
|
|
putuser.l %d2,(%a0)+,fp_err_ua1,%a0
|
|
move.l (%a1)+,%d2
|
|
putuser.l %d2,(%a0)+,fp_err_ua1,%a0
|
|
move.l (%a1),%d2
|
|
putuser.l %d2,(%a0),fp_err_ua1,%a0
|
|
subq.l #8,%a1
|
|
subq.l #8,%a0
|
|
add.l %d0,%a0
|
|
2: add.l %d0,%a1
|
|
4: lsl.b #1,%d1
|
|
jcs 1b
|
|
jne 2b
|
|
5:
|
|
printf PDECODE,"\n"
|
|
#if 0
|
|
lea (FPD_FPREG,FPDATA),%a0
|
|
printf PMOVEM,"fp:"
|
|
printx PMOVEM,%a0@(0)
|
|
printx PMOVEM,%a0@(12)
|
|
printf PMOVEM,"\n "
|
|
printx PMOVEM,%a0@(24)
|
|
printx PMOVEM,%a0@(36)
|
|
printf PMOVEM,"\n "
|
|
printx PMOVEM,%a0@(48)
|
|
printx PMOVEM,%a0@(60)
|
|
printf PMOVEM,"\n "
|
|
printx PMOVEM,%a0@(72)
|
|
printx PMOVEM,%a0@(84)
|
|
printf PMOVEM,"\n"
|
|
#endif
|
|
jra fp_end
|
|
|
|
| set flags for decode macros for fmovem control register
|
|
do_fmovem=1
|
|
do_fmovem_cr=1
|
|
|
|
fp_fmovem_cr:
|
|
printf PDECODE,"fmovem.cr "
|
|
| get register list and count them
|
|
bfextu %d2{#19,#3},%d0
|
|
move.l %d0,%d1
|
|
swap %d1
|
|
jra 2f
|
|
1: addq.w #1,%d1
|
|
2: lsr.l #1,%d0
|
|
jcs 1b
|
|
jne 2b
|
|
printf PDECODE,"#%08x",1,%d1
|
|
#ifdef FPU_EMU_DEBUG
|
|
btst #13,%d2
|
|
jeq 1f
|
|
printf PDECODE,"->" | fpu -> cpu
|
|
jra 2f
|
|
1: printf PDECODE,"<-" | fpu <- cpu
|
|
2:
|
|
#endif
|
|
|
|
| decode address mode
|
|
fp_decode_addr_mode
|
|
|
|
.long fpc_data, fpc_addr
|
|
.long fpc_indirect, fpc_postinc
|
|
.long fpc_predecr, fpc_disp16
|
|
.long fpc_extmode0, fpc_extmode1
|
|
|
|
fpc_data:
|
|
fp_mode_data_direct
|
|
move.w %d0,%d1
|
|
bfffo %d2{#19,#3},%d0
|
|
sub.w #19,%d0
|
|
lea (FPD_FPCR,FPDATA,%d0.w*4),%a1
|
|
btst #13,%d2
|
|
jne 1f
|
|
move.w %d1,%d0
|
|
jsr fp_get_data_reg
|
|
move.l %d0,(%a1)
|
|
jra fpc_movem_fin
|
|
1: move.l (%a1),%d0
|
|
jsr fp_put_data_reg
|
|
jra fpc_movem_fin
|
|
|
|
fpc_addr:
|
|
fp_decode_addr_reg
|
|
printf PDECODE,"a%d",1,%d0
|
|
btst #13,%d2
|
|
jne 1f
|
|
jsr fp_get_addr_reg
|
|
move.l %a0,(FPD_FPIAR,FPDATA)
|
|
jra fpc_movem_fin
|
|
1: move.l (FPD_FPIAR,FPDATA),%a0
|
|
jsr fp_put_addr_reg
|
|
jra fpc_movem_fin
|
|
|
|
fpc_indirect:
|
|
fp_mode_addr_indirect
|
|
jra fpc_do_movem
|
|
|
|
fpc_postinc:
|
|
fp_mode_addr_indirect_postinc
|
|
jra fpc_do_movem
|
|
|
|
fpc_predecr:
|
|
fp_mode_addr_indirect_predec
|
|
jra fpc_do_movem
|
|
|
|
fpc_disp16:
|
|
fp_mode_addr_indirect_disp16
|
|
jra fpc_do_movem
|
|
|
|
fpc_extmode0:
|
|
fp_mode_addr_indirect_extmode0
|
|
jra fpc_do_movem
|
|
|
|
fpc_extmode1:
|
|
fp_decode_addr_reg
|
|
jmp ([0f:w,%pc,%d0*4])
|
|
|
|
.align 4
|
|
0:
|
|
.long fpc_absolute_short, fpc_absolute_long
|
|
.long fpc_disp16, fpc_extmode0
|
|
.long fpc_immediate, fp_ill
|
|
.long fp_ill, fp_ill
|
|
|
|
fpc_absolute_short:
|
|
fp_mode_abs_short
|
|
jra fpc_do_movem
|
|
|
|
fpc_absolute_long:
|
|
fp_mode_abs_long
|
|
jra fpc_do_movem
|
|
|
|
fpc_immediate:
|
|
fp_get_pc %a0
|
|
lea (%a0,%d1.w*4),%a1
|
|
fp_put_pc %a1
|
|
printf PDECODE,"#imm"
|
|
| jra fpc_do_movem
|
|
#if 0
|
|
swap %d1
|
|
lsl.l #5,%d1
|
|
lea (FPD_FPCR,FPDATA),%a0
|
|
jra 3f
|
|
1: move.l %d0,(%a0)
|
|
2: addq.l #4,%a0
|
|
3: lsl.b #1,%d1
|
|
jcs 1b
|
|
jne 2b
|
|
jra fpc_movem_fin
|
|
#endif
|
|
|
|
fpc_do_movem:
|
|
swap %d1 | get fpu register list
|
|
lsl.l #5,%d1
|
|
lea (FPD_FPCR,FPDATA),%a1
|
|
1: btst #13,%d2
|
|
jne 4f
|
|
|
|
| move register from memory into fpu
|
|
jra 3f
|
|
1: printf PMOVEM,"(%p>%p)",2,%a0,%a1
|
|
getuser.l (%a0)+,%d0,fp_err_ua1,%a0
|
|
move.l %d0,(%a1)
|
|
2: addq.l #4,%a1
|
|
3: lsl.b #1,%d1
|
|
jcs 1b
|
|
jne 2b
|
|
jra fpc_movem_fin
|
|
|
|
| move register from fpu into memory
|
|
1: printf PMOVEM,"(%p>%p)",2,%a1,%a0
|
|
move.l (%a1),%d0
|
|
putuser.l %d0,(%a0)+,fp_err_ua1,%a0
|
|
2: addq.l #4,%a1
|
|
4: lsl.b #1,%d1
|
|
jcs 1b
|
|
jne 2b
|
|
|
|
fpc_movem_fin:
|
|
and.l #0x0000fff0,(FPD_FPCR,FPDATA)
|
|
and.l #0x0ffffff8,(FPD_FPSR,FPDATA)
|
|
move.l (FPD_FPCR,FPDATA),%d0
|
|
lsr.l #4,%d0
|
|
moveq #3,%d1
|
|
and.l %d0,%d1
|
|
move.w %d1,(FPD_RND,FPDATA)
|
|
lsr.l #2,%d0
|
|
moveq #3,%d1
|
|
and.l %d0,%d1
|
|
move.w %d1,(FPD_PREC,FPDATA)
|
|
printf PDECODE,"\n"
|
|
#if 0
|
|
printf PMOVEM,"fpcr : %08x\n",1,FPDATA@(FPD_FPCR)
|
|
printf PMOVEM,"fpsr : %08x\n",1,FPDATA@(FPD_FPSR)
|
|
printf PMOVEM,"fpiar: %08x\n",1,FPDATA@(FPD_FPIAR)
|
|
clr.l %d0
|
|
move.w (FPD_PREC,FPDATA),%d0
|
|
printf PMOVEM,"prec : %04x\n",1,%d0
|
|
move.w (FPD_RND,FPDATA),%d0
|
|
printf PMOVEM,"rnd : %04x\n",1,%d0
|
|
#endif
|
|
jra fp_end
|