Macintosh-Tools/macemu
1
0
Fork 0
mirror of https://github.com/kanjitalk755/macemu.git synced 2025-01-27 07:30:12 +00:00
Code Issues Projects Releases Wiki Activity

Updates for new FPU core architecture

Browse Source
This commit is contained in:
gbeauche 2002-09-13 12:50:56 +00:00
parent c327eee41b
commit a50871f87c
3 changed files with 14 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
BasiliskII/src/uae_cpu/gencpu.c
View File

@ -2113,19 +2113,19 @@ static void gen_opcode (unsigned long int opcode)
genamode (curi->smode, "srcreg", curi->size, "extra", 1, 0);
sync_m68k_pc ();
swap_opcode ();
printf ("\tfpp_opp(opcode,extra);\n");
printf ("\tfpuop_arithmetic(opcode, extra);\n");
break;
case i_FDBcc:
genamode (curi->smode, "srcreg", curi->size, "extra", 1, 0);
sync_m68k_pc ();
swap_opcode ();
printf ("\tfdbcc_opp(opcode,extra);\n");
printf ("\tfpuop_dbcc(opcode, extra);\n");
break;
case i_FScc:
genamode (curi->smode, "srcreg", curi->size, "extra", 1, 0);
sync_m68k_pc ();
swap_opcode ();
printf ("\tfscc_opp(opcode,extra);\n");
printf ("\tfpuop_scc(opcode,extra);\n");
break;
case i_FTRAPcc:
sync_m68k_pc ();
@ -2135,7 +2135,7 @@ static void gen_opcode (unsigned long int opcode)
genamode (curi->smode, "srcreg", curi->size, "dummy", 1, 0);
sync_m68k_pc ();
swap_opcode ();
printf ("\tftrapcc_opp(opcode,oldpc);\n");
printf ("\tfpuop_trapcc(opcode,oldpc);\n");
break;
case i_FBcc:
sync_m68k_pc ();
@ -2144,17 +2144,17 @@ static void gen_opcode (unsigned long int opcode)
genamode (curi->dmode, "srcreg", curi->size, "extra", 1, 0);
sync_m68k_pc ();
swap_opcode ();
printf ("\tfbcc_opp(opcode,pc,extra);\n");
printf ("\tfpuop_bcc(opcode,pc,extra);\n");
break;
case i_FSAVE:
sync_m68k_pc ();
swap_opcode ();
printf ("\tfsave_opp(opcode);\n");
printf ("\tfpuop_save(opcode);\n");
break;
case i_FRESTORE:
sync_m68k_pc ();
swap_opcode ();
printf ("\tfrestore_opp(opcode);\n");
printf ("\tfpuop_restore(opcode);\n");
break;
case i_CINVL:
case i_CINVP:
@ -2227,6 +2227,7 @@ static void generate_includes (FILE * f)
fprintf (f, "#include \"memory.h\"\n");
fprintf (f, "#include \"readcpu.h\"\n");
fprintf (f, "#include \"newcpu.h\"\n");
fprintf (f, "#include \"fpu/fpu.h\"\n");
fprintf (f, "#include \"cputbl.h\"\n");
fprintf (f, "#define SET_CFLG_ALWAYS(x) SET_CFLG(x)\n");

32
BasiliskII/src/uae_cpu/newcpu.cpp
View File

@ -22,6 +22,7 @@ extern int intlev(void); // From baisilisk_glue.cpp
#include "memory.h"
#include "readcpu.h"
#include "newcpu.h"
#include "fpu/fpu.h"
#if defined(ENABLE_EXCLUSIVE_SPCFLAGS) && !defined(HAVE_HARDWARE_LOCKS)
B2_mutex *spcflags_lock = NULL;
@ -50,10 +51,6 @@ int movem_index1[256];
int movem_index2[256];
int movem_next[256];
int fpp_movem_index1[256];
int fpp_movem_index2[256];
int fpp_movem_next[256];
cpuop_func *cpufunctbl[65536];
#define FLIGHT_RECORDER 0
@ -235,15 +232,6 @@ void init_m68k (void)
movem_index2[i] = 7-j;
movem_next[i] = i & (~(1 << j));
}
for (i = 0 ; i < 256 ; i++) {
int j;
for (j = 7 ; j >= 0 ; j--) {
if (i & (1 << j)) break;
}
fpp_movem_index1[i] = 7-j;
fpp_movem_index2[i] = j;
fpp_movem_next[i] = i & (~(1 << j));
}
#if COUNT_INSTRS
{
FILE *f = fopen (icountfilename (), "r");
@ -268,9 +256,7 @@ void init_m68k (void)
#if defined(ENABLE_EXCLUSIVE_SPCFLAGS) && !defined(HAVE_HARDWARE_LOCKS)
spcflags_lock = B2_create_mutex();
#endif
fpu_init ();
fpu_set_integral_fpu (CPUType == 4);
fpu_init(CPUType == 4);
}
void exit_m68k (void)
@ -1443,16 +1429,10 @@ void m68k_dumpstate (uaecptr *nextpc)
printf ("T=%d%d S=%d M=%d X=%d N=%d Z=%d V=%d C=%d IMASK=%d\n",
regs.t1, regs.t0, regs.s, regs.m,
GET_XFLG, GET_NFLG, GET_ZFLG, GET_VFLG, GET_CFLG, regs.intmask);
for (i = 0; i < 8; i++){
printf ("FP%d: %g ", i, regs.fp[i]);
if ((i & 3) == 3) printf ("\n");
}
printf ("N=%d Z=%d I=%d NAN=%d\n",
(regs.fpsr & 0x8000000) != 0,
(regs.fpsr & 0x4000000) != 0,
(regs.fpsr & 0x2000000) != 0,
(regs.fpsr & 0x1000000) != 0);
fpu_dump_registers();
fpu_dump_flags();
m68k_disasm(m68k_getpc (), nextpc, 1);
if (nextpc)
printf ("next PC: %08lx\n", *nextpc);

20
BasiliskII/src/uae_cpu/newcpu.h
View File

@ -20,10 +20,6 @@ extern int movem_index1[256];
extern int movem_index2[256];
extern int movem_next[256];
extern int fpp_movem_index1[256];
extern int fpp_movem_index2[256];
extern int fpp_movem_next[256];
extern int broken_in;
/* Control flow information */
@ -83,9 +79,6 @@ struct regstruct {
flagtype x;
flagtype stopped;
double fp[8];
uae_u32 fpcr,fpsr,fpiar;
#if USE_PREFETCH_BUFFER
/* Fellow sources say this is 4 longwords. That's impossible. It needs
* to be at least a longword. The HRM has some cryptic comment about two
@ -264,19 +257,6 @@ extern int m68k_do_specialties(void);
extern void mmu_op (uae_u32, uae_u16);
extern void fpp_opp (uae_u32, uae_u16);
extern void fdbcc_opp (uae_u32, uae_u16);
extern void fscc_opp (uae_u32, uae_u16);
extern void ftrapcc_opp (uae_u32,uaecptr);
extern void fbcc_opp (uae_u32, uaecptr, uae_u32);
extern void fsave_opp (uae_u32);
extern void frestore_opp (uae_u32);
extern void fpu_set_integral_fpu (bool is_integral);
extern void fpu_init (void);
extern void fpu_exit (void);
extern void fpu_reset (void);
/* Opcode of faulting instruction */
extern uae_u16 last_op_for_exception_3;
/* PC at fault time */