--- /dev/null
+/*
+ * z64
+ *
+ * Copyright (C) 2007 ziggy
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+**/
+
+#ifndef _RSP_H_
+#define _RSP_H_
+
+#define M64P_PLUGIN_PROTOTYPES 1
+#include "m64p_types.h"
+#include "m64p_plugin.h"
+#include "z64.h"
+#include <math.h> // sqrt
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h> // memset
+
+#define INLINE inline
+
+extern void log(m64p_msg_level level, const char *msg, ...);
+
+/* defined in systems/n64.c */
+#define rdram ((UINT32*)z64_rspinfo.RDRAM)
+//extern UINT32 *rdram;
+#define rsp_imem ((UINT32*)z64_rspinfo.IMEM)
+//extern UINT32 *rsp_imem;
+#define rsp_dmem ((UINT32*)z64_rspinfo.DMEM)
+//extern UINT32 *rsp_dmem;
+//extern void dp_full_sync(void);
+
+#define vi_origin (*(UINT32*)z64_rspinfo.VI_ORIGIN_REG)
+//extern UINT32 vi_origin;
+#define vi_width (*(UINT32*)z64_rspinfo.VI_WIDTH_REG)
+//extern UINT32 vi_width;
+#define vi_control (*(UINT32*)z64_rspinfo.VI_STATUS_REG)
+//extern UINT32 vi_control;
+
+#define dp_start (*(UINT32*)z64_rspinfo.DPC_START_REG)
+//extern UINT32 dp_start;
+#define dp_end (*(UINT32*)z64_rspinfo.DPC_END_REG)
+//extern UINT32 dp_end;
+#define dp_current (*(UINT32*)z64_rspinfo.DPC_CURRENT_REG)
+//extern UINT32 dp_current;
+#define dp_status (*(UINT32*)z64_rspinfo.DPC_STATUS_REG)
+//extern UINT32 dp_status;
+
+#define sp_pc (*(UINT32*)z64_rspinfo.SP_PC_REG)
+
+typedef union
+{
+ UINT64 d[2];
+ UINT32 l[4];
+ INT16 s[8];
+ UINT8 b[16];
+} VECTOR_REG;
+
+typedef union
+{
+ INT64 q;
+ INT32 l[2];
+ INT16 w[4];
+} ACCUMULATOR_REG;
+
+typedef struct
+{
+ // vectors first , need to be memory aligned for sse
+ VECTOR_REG v[32];
+ ACCUMULATOR_REG accum[8];
+
+ //UINT32 pc;
+ UINT32 r[32];
+ UINT16 flag[4];
+
+ INT32 square_root_res;
+ INT32 square_root_high;
+ INT32 reciprocal_res;
+ INT32 reciprocal_high;
+
+ UINT32 ppc;
+ UINT32 nextpc;
+
+ UINT32 step_count;
+
+ int inval_gen;
+
+ RSP_INFO ext;
+} RSP_REGS;
+
+#define z64_rspinfo (rsp.ext)
+
+int rsp_execute(int cycles);
+void rsp_reset(void);
+void rsp_init(RSP_INFO info);
+offs_t rsp_dasm_one(char *buffer, offs_t pc, UINT32 op);
+
+extern UINT32 sp_read_reg(UINT32 reg);
+extern void sp_write_reg(UINT32 reg, UINT32 data);
+// extern READ32_HANDLER( n64_dp_reg_r );
+// extern WRITE32_HANDLER( n64_dp_reg_w );
+
+#define RSREG ((op >> 21) & 0x1f)
+#define RTREG ((op >> 16) & 0x1f)
+#define RDREG ((op >> 11) & 0x1f)
+#define SHIFT ((op >> 6) & 0x1f)
+
+#define RSVAL (rsp.r[RSREG])
+#define RTVAL (rsp.r[RTREG])
+#define RDVAL (rsp.r[RDREG])
+
+#define _RSREG(op) ((op >> 21) & 0x1f)
+#define _RTREG(op) ((op >> 16) & 0x1f)
+#define _RDREG(op) ((op >> 11) & 0x1f)
+#define _SHIFT(op) ((op >> 6) & 0x1f)
+
+#define _RSVAL(op) (rsp.r[_RSREG(op)])
+#define _RTVAL(op) (rsp.r[_RTREG(op)])
+#define _RDVAL(op) (rsp.r[_RDREG(op)])
+
+#define SIMM16 ((INT32)(INT16)(op))
+#define UIMM16 ((UINT16)(op))
+#define UIMM26 (op & 0x03ffffff)
+
+#define _SIMM16(op) ((INT32)(INT16)(op))
+#define _UIMM16(op) ((UINT16)(op))
+#define _UIMM26(op) (op & 0x03ffffff)
+
+
+/*#define _JUMP(pc) \
+if ((GENTRACE("_JUMP %x\n", rsp.nextpc), 1) && rsp_jump(rsp.nextpc)) return 1; \
+if (rsp.inval_gen || sp_pc != pc+8) return 0;
+*/
+
+#define CARRY_FLAG(x) ((rsp.flag[0] & (1 << ((x)))) ? 1 : 0)
+#define CLEAR_CARRY_FLAGS() { rsp.flag[0] &= ~0xff; }
+#define SET_CARRY_FLAG(x) { rsp.flag[0] |= (1 << ((x))); }
+#define CLEAR_CARRY_FLAG(x) { rsp.flag[0] &= ~(1 << ((x))); }
+
+#define COMPARE_FLAG(x) ((rsp.flag[1] & (1 << ((x)))) ? 1 : 0)
+#define CLEAR_COMPARE_FLAGS() { rsp.flag[1] &= ~0xff; }
+#define SET_COMPARE_FLAG(x) { rsp.flag[1] |= (1 << ((x))); }
+#define CLEAR_COMPARE_FLAG(x) { rsp.flag[1] &= ~(1 << ((x))); }
+
+#define ZERO_FLAG(x) ((rsp.flag[0] & (1 << (8+(x)))) ? 1 : 0)
+#define CLEAR_ZERO_FLAGS() { rsp.flag[0] &= ~0xff00; }
+#define SET_ZERO_FLAG(x) { rsp.flag[0] |= (1 << (8+(x))); }
+#define CLEAR_ZERO_FLAG(x) { rsp.flag[0] &= ~(1 << (8+(x))); }
+
+//#define rsp z64_rsp // to avoid namespace collision with other libs
+extern RSP_REGS rsp __attribute__((aligned(16)));
+
+
+//#define ROPCODE(pc) cpu_readop32(pc)
+#define ROPCODE(pc) program_read_dword_32be(pc | 0x1000)
+
+INLINE UINT8 program_read_byte_32be(UINT32 address)
+{
+ return ((UINT8*)z64_rspinfo.DMEM)[(address&0x1fff)^3];
+}
+
+INLINE UINT16 program_read_word_32be(UINT32 address)
+{
+ return ((UINT16*)z64_rspinfo.DMEM)[((address&0x1fff)>>1)^1];
+}
+
+INLINE UINT32 program_read_dword_32be(UINT32 address)
+{
+ return ((UINT32*)z64_rspinfo.DMEM)[(address&0x1fff)>>2];
+}
+
+INLINE void program_write_byte_32be(UINT32 address, UINT8 data)
+{
+ ((UINT8*)z64_rspinfo.DMEM)[(address&0x1fff)^3] = data;
+}
+
+INLINE void program_write_word_32be(UINT32 address, UINT16 data)
+{
+ ((UINT16*)z64_rspinfo.DMEM)[((address&0x1fff)>>1)^1] = data;
+}
+
+INLINE void program_write_dword_32be(UINT32 address, UINT32 data)
+{
+ ((UINT32*)z64_rspinfo.DMEM)[(address&0x1fff)>>2] = data;
+}
+
+INLINE UINT8 READ8(UINT32 address)
+{
+ address = 0x04000000 | (address & 0xfff);
+ return program_read_byte_32be(address);
+}
+
+INLINE UINT16 READ16(UINT32 address)
+{
+ address = 0x04000000 | (address & 0xfff);
+
+ if (address & 1)
+ {
+ //osd_die("RSP: READ16: unaligned %08X at %08X\n", address, rsp.ppc);
+ return ((program_read_byte_32be(address+0) & 0xff) << 8) | (program_read_byte_32be(address+1) & 0xff);
+ }
+
+ return program_read_word_32be(address);
+}
+
+INLINE UINT32 READ32(UINT32 address)
+{
+ address = 0x04000000 | (address & 0xfff);
+
+ if (address & 3)
+ {
+ //fatalerror("RSP: READ32: unaligned %08X at %08X\n", address, rsp.ppc);
+ return ((program_read_byte_32be(address + 0) & 0xff) << 24) |
+ ((program_read_byte_32be(address + 1) & 0xff) << 16) |
+ ((program_read_byte_32be(address + 2) & 0xff) << 8) |
+ ((program_read_byte_32be(address + 3) & 0xff) << 0);
+ }
+
+ return program_read_dword_32be(address);
+}
+
+
+INLINE void WRITE8(UINT32 address, UINT8 data)
+{
+ address = 0x04000000 | (address & 0xfff);
+ program_write_byte_32be(address, data);
+}
+
+INLINE void WRITE16(UINT32 address, UINT16 data)
+{
+ address = 0x04000000 | (address & 0xfff);
+
+ if (address & 1)
+ {
+ //fatalerror("RSP: WRITE16: unaligned %08X, %04X at %08X\n", address, data, rsp.ppc);
+ program_write_byte_32be(address + 0, (data >> 8) & 0xff);
+ program_write_byte_32be(address + 1, (data >> 0) & 0xff);
+ return;
+ }
+
+ program_write_word_32be(address, data);
+}
+
+INLINE void WRITE32(UINT32 address, UINT32 data)
+{
+ address = 0x04000000 | (address & 0xfff);
+
+ if (address & 3)
+ {
+ //fatalerror("RSP: WRITE32: unaligned %08X, %08X at %08X\n", address, data, rsp.ppc);
+ program_write_byte_32be(address + 0, (data >> 24) & 0xff);
+ program_write_byte_32be(address + 1, (data >> 16) & 0xff);
+ program_write_byte_32be(address + 2, (data >> 8) & 0xff);
+ program_write_byte_32be(address + 3, (data >> 0) & 0xff);
+ return;
+ }
+
+ program_write_dword_32be(address, data);
+}
+
+int rsp_jump(int pc);
+void rsp_invalidate(int begin, int len);
+void rsp_execute_one(UINT32 op);
+
+
+
+#define JUMP_ABS(addr) { rsp.nextpc = 0x04001000 | (((addr) << 2) & 0xfff); }
+#define JUMP_ABS_L(addr,l) { rsp.nextpc = 0x04001000 | (((addr) << 2) & 0xfff); rsp.r[l] = sp_pc + 4; }
+#define JUMP_REL(offset) { rsp.nextpc = 0x04001000 | ((sp_pc + ((offset) << 2)) & 0xfff); }
+#define JUMP_REL_L(offset,l) { rsp.nextpc = 0x04001000 | ((sp_pc + ((offset) << 2)) & 0xfff); rsp.r[l] = sp_pc + 4; }
+#define JUMP_PC(addr) { rsp.nextpc = 0x04001000 | ((addr) & 0xfff); }
+#define JUMP_PC_L(addr,l) { rsp.nextpc = 0x04001000 | ((addr) & 0xfff); rsp.r[l] = sp_pc + 4; }
+#define LINK(l) rsp.r[l] = sp_pc + 4
+
+#define VDREG ((op >> 6) & 0x1f)
+#define VS1REG ((op >> 11) & 0x1f)
+#define VS2REG ((op >> 16) & 0x1f)
+#define EL ((op >> 21) & 0xf)
+
+#define VREG_B(reg, offset) rsp.v[(reg)].b[((offset)^1)]
+#define VREG_S(reg, offset) rsp.v[(reg)].s[((offset))]
+#define VREG_L(reg, offset) rsp.v[(reg)].l[((offset))]
+
+#define VEC_EL_1(x,z) (z) //(vector_elements_1[(x)][(z)])
+#define VEC_EL_2(x,z) (vector_elements_2[(x)][(z)])
+
+#define ACCUM(x) rsp.accum[((x))].q
+#define ACCUM_H(x) rsp.accum[((x))].w[3]
+#define ACCUM_M(x) rsp.accum[((x))].w[2]
+#define ACCUM_L(x) rsp.accum[((x))].w[1]
+
+void unimplemented_opcode(UINT32 op);
+void handle_vector_ops(UINT32 op);
+UINT32 get_cop0_reg(int reg);
+void set_cop0_reg(int reg, UINT32 data);
+void handle_lwc2(UINT32 op);
+void handle_swc2(UINT32 op);
+
+INLINE UINT32 n64_dp_reg_r(UINT32 offset, UINT32 dummy)
+{
+ switch (offset)
+ {
+ case 0x00/4: // DP_START_REG
+ return dp_start;
+
+ case 0x04/4: // DP_END_REG
+ return dp_end;
+
+ case 0x08/4: // DP_CURRENT_REG
+ return dp_current;
+
+ case 0x0c/4: // DP_STATUS_REG
+ return dp_status;
+
+ case 0x10/4: // DP_CLOCK_REG
+ return *z64_rspinfo.DPC_CLOCK_REG;
+
+ default:
+ log(M64MSG_WARNING, "dp_reg_r: %08X\n", offset);
+ break;
+ }
+
+ return 0;
+}
+INLINE void n64_dp_reg_w(UINT32 offset, UINT32 data, UINT32 dummy)
+{
+ switch (offset)
+ {
+ case 0x00/4: // DP_START_REG
+ dp_start = data;
+ dp_current = dp_start;
+ break;
+
+ case 0x04/4: // DP_END_REG
+ dp_end = data;
+ //rdp_process_list();
+ if (dp_end<dp_start)//three lines for debugging
+ {
+ log(M64MSG_INFO, "RDP End < RDP Start!");//happens in Stunt Racer with Ville Linde's sp_dma
+ break;
+ }
+ if (dp_end==dp_start)
+ break;
+ if (z64_rspinfo.ProcessRdpList != NULL) { z64_rspinfo.ProcessRdpList(); }
+ break;
+
+ case 0x0c/4: // DP_STATUS_REG
+ if (data & 0x00000001) dp_status &= ~DP_STATUS_XBUS_DMA;
+ if (data & 0x00000002) dp_status |= DP_STATUS_XBUS_DMA;
+ if (data & 0x00000004) dp_status &= ~DP_STATUS_FREEZE;
+ if (data & 0x00000008) dp_status |= DP_STATUS_FREEZE;
+ if (data & 0x00000010) dp_status &= ~DP_STATUS_FLUSH;
+ if (data & 0x00000020) dp_status |= DP_STATUS_FLUSH;
+ break;
+
+ default:
+ log(M64MSG_WARNING, "dp_reg_w: %08X, %08X\n", data, offset);
+ break;
+ }
+}
+
+#define INTEL86
+#if defined(INTEL86) && defined __GNUC__ && __GNUC__ >= 2
+static __inline__ unsigned long long RDTSC(void)
+{
+ unsigned long long int x;
+ __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x));
+ return x;
+}
+// inline volatile uint64_t RDTSC() {
+// register uint64_t TSC asm("eax");
+// asm volatile (".byte 15, 49" : : : "eax", "edx");
+// return TSC;
+// }
+// #define RDTSC1(n) __asm__ __volatile__("rdtsc" : "=a" (n): )
+// #define RDTSC2(n) __asm__ __volatile__ ("rdtsc\nmov %%edx,%%eax" : "=a" (n): )
+// inline void RDTSC(uint64_t& a) { uint32_t b, c; RDTSC1(b); RDTSC2(c);
+// a = (((uint64_t)c)<<32) | b; }
+#elif defined(INTEL86) && defined WIN32
+#define rdtsc __asm __emit 0fh __asm __emit 031h
+#define cpuid __asm __emit 0fh __asm __emit 0a2h
+inline uint64_t RDTSC() {
+ static uint32_t temp;
+ __asm {
+ push edx
+ push eax
+ rdtsc
+ mov temp, eax
+ pop eax
+ pop edx
+ }
+ return temp;
+}
+#else
+#define RDTSC(n) n=0
+#endif
+
+#ifdef GENTRACE
+#undef GENTRACE
+#include <stdarg.h>
+inline void GENTRACE(const char * s, ...) {
+ va_list ap;
+ va_start(ap, s);
+ vfprintf(stderr, s, ap);
+ va_end(ap);
+ int i;
+ for (i=0; i<32; i++)
+ fprintf(stderr, "r%d=%x ", i, rsp.r[i]);
+ fprintf(stderr, "\n");
+ for (i=0; i<32; i++)
+ fprintf(stderr, "v%d=%x %x %x %x %x %x %x %x ", i,
+ (UINT16)rsp.v[i].s[0],
+ (UINT16)rsp.v[i].s[1],
+ (UINT16)rsp.v[i].s[2],
+ (UINT16)rsp.v[i].s[3],
+ (UINT16)rsp.v[i].s[4],
+ (UINT16)rsp.v[i].s[5],
+ (UINT16)rsp.v[i].s[6],
+ (UINT16)rsp.v[i].s[7]
+ );
+ fprintf(stderr, "\n");
+
+ fprintf(stderr, "f0=%x f1=%x f2=%x f3=%x\n", rsp.flag[0],
+ rsp.flag[1],rsp.flag[2],rsp.flag[3]);
+}
+#endif
+//#define GENTRACE printf
+//#define GENTRACE
+
+#ifdef RSPTIMING
+extern uint64_t rsptimings[512];
+extern int rspcounts[512];
+#endif
+
+#endif // ifndef _RSP_H_
notaz.gp2x.de / mupen64plus-pandora.git / blobdiff