Toolchain/binutils-gdb
1
0
Fork 0
forked from Imagelibrary/binutils-gdb
Code Pull Requests Activity

* R5900 COP2 is now ready for testing. Let loose the dogs!

Browse Source 
Mon Apr  6 19:55:56 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* interp.c (cop_[ls]q): Replaced stub with proper COP2 code.

	* sim-main.h (LOADADDRMASK): Redefine to allow 128-bit accesses
 	for TARGET_SKY.

	* r5900.igen (SQC2): Thinko.
This commit is contained in:
Frank Ch. Eigler
1998-04-07 00:01:31 +00:00
parent 0eebcbd7ab
commit 2ebb2a6855
3 changed files with 54 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
sim/mips/ChangeLog
View File

@@ -1,3 +1,15 @@
start-sanitize-sky
Mon Apr 6 19:55:56 1998 Frank Ch. Eigler <fche@cygnus.com>
* interp.c (cop_[ls]q): Replaced stub with proper COP2 code.
* sim-main.h (LOADADDRMASK): Redefine to allow 128-bit accesses
for TARGET_SKY.
* r5900.igen (SQC2): Thinko.
end-sanitize-sky
start-sanitize-sky
Sun Apr 5 12:05:44 1998 Frank Ch. Eigler <fche@cygnus.com>

36
sim/mips/interp.c
View File

@@ -2971,9 +2971,22 @@ cop_lq (SIM_DESC sd,
switch (coproc_num)
{
case 2:
/* XXX COP2 */
break;
{
unsigned_16 xyzw;
while(vu0_busy())
vu0_issue(sd);
memcpy(& xyzw, & memword, sizeof(xyzw));
xyzw = H2T_16(xyzw);
/* one word at a time, argh! */
write_vu_vec_reg(&(vu0_device.regs), coproc_reg, 0, A4_16(& xyzw, 3));
write_vu_vec_reg(&(vu0_device.regs), coproc_reg, 1, A4_16(& xyzw, 2));
write_vu_vec_reg(&(vu0_device.regs), coproc_reg, 2, A4_16(& xyzw, 1));
write_vu_vec_reg(&(vu0_device.regs), coproc_reg, 3, A4_16(& xyzw, 0));
}
break;
default:
sim_io_printf(sd,"COP_LQ(%d,%d,??) at PC = 0x%s : TODO (architecture specific)\n",
coproc_num,coproc_reg,pr_addr(cia));
@@ -3059,9 +3072,22 @@ cop_sq (SIM_DESC sd,
switch (coproc_num)
{
case 2:
/* XXX COP2 */
break;
{
unsigned_16 xyzw;
while(vu0_busy())
vu0_issue(sd);
/* one word at a time, argh! */
read_vu_vec_reg(&(vu0_device.regs), coproc_reg, 0, A4_16(& xyzw, 3));
read_vu_vec_reg(&(vu0_device.regs), coproc_reg, 1, A4_16(& xyzw, 2));
read_vu_vec_reg(&(vu0_device.regs), coproc_reg, 2, A4_16(& xyzw, 1));
read_vu_vec_reg(&(vu0_device.regs), coproc_reg, 3, A4_16(& xyzw, 0));
xyzw = T2H_16(xyzw);
return xyzw;
}
break;
default:
sim_io_printf(sd,"COP_SQ(%d,%d) at PC = 0x%s : TODO (architecture specific)\n",
coproc_num,coproc_reg,pr_addr(cia));

11
sim/mips/sim-main.h
View File

@@ -837,6 +837,17 @@ decode_coproc (SD, CPU, cia, (instruction))
#define PSIZE (WITH_TARGET_ADDRESS_BITSIZE)
#endif
/* start-sanitize-sky */
#ifdef TARGET_SKY
/* 128-bit accesses are allowed */
#undef LOADDRMASK
#define LOADDRMASK AccessLength_QUADWORD
#undef PSIZE
#define PSIZE (WITH_TARGET_ADDRESS_BITSIZE)
#endif /* TARGET_SKY */
/* end-sanitize-sky */
INLINE_SIM_MAIN (int) address_translation PARAMS ((SIM_DESC sd, sim_cpu *, address_word cia, address_word vAddr, int IorD, int LorS, address_word *pAddr, int *CCA, int raw));
#define AddressTranslation(vAddr,IorD,LorS,pAddr,CCA,host,raw) \
address_translation (SD, CPU, cia, vAddr, IorD, LorS, pAddr, CCA, raw)