*/
#include <stddef.h>
+#include <errno.h>
#include <assert.h>
#include "misc.h"
#include "cdrom.h"
#include "mdec.h"
#include "gpu.h"
#include "ppf.h"
+#include "psxbios.h"
#include "database.h"
#include <zlib.h>
char CdromId[10] = "";
char CdromLabel[33] = "";
+int CdromFrontendId; // for frontend use
// PSX Executable types
#define PSX_EXE 1
int i;
// only try to scan if a filename is given
- if (!strlen(filename)) return -1;
+ if (filename == INVALID_PTR || !strlen(filename)) return -1;
i = 0;
while (i < 4096) {
return retval;
}
-static const unsigned int gpu_ctl_def[] = {
- 0x00000000, 0x01000000, 0x03000000, 0x04000000,
- 0x05000800, 0x06c60260, 0x0703fc10, 0x08000027,
-};
-
-static const unsigned int gpu_data_def[] = {
- 0xe100360b, 0xe2000000, 0xe3000800, 0xe4077e7f,
- 0xe5001000, 0xe6000000,
- 0x02000000, 0x00000000, 0x01ff03ff,
-};
-
-void BiosLikeGPUSetup()
-{
- int i;
-
- for (i = 0; i < sizeof(gpu_ctl_def) / sizeof(gpu_ctl_def[0]); i++)
- GPU_writeStatus(gpu_ctl_def[i]);
-
- for (i = 0; i < sizeof(gpu_data_def) / sizeof(gpu_data_def[0]); i++)
- GPU_writeData(gpu_data_def[i]);
-}
-
static void SetBootRegs(u32 pc, u32 gp, u32 sp)
{
//printf("%s %08x %08x %08x\n", __func__, pc, gp, sp);
psxRegs.pc = pc;
psxRegs.GPR.n.gp = gp;
psxRegs.GPR.n.sp = sp ? sp : 0x801fff00;
+ psxRegs.GPR.n.fp = psxRegs.GPR.n.sp;
+
+ psxRegs.GPR.n.t0 = psxRegs.GPR.n.sp; // mimic A(43)
+ psxRegs.GPR.n.t3 = pc;
psxCpu->Notify(R3000ACPU_NOTIFY_AFTER_LOAD, NULL);
}
-void BiosBootBypass() {
+int BiosBootBypass() {
+ struct CdrStat stat = { 0, 0, };
assert(psxRegs.pc == 0x80030000);
+ // no bypass if the lid is open
+ CDR__getStatus(&stat);
+ if (stat.Status & 0x10)
+ return 0;
+
// skip BIOS logos and region check
psxCpu->Notify(R3000ACPU_NOTIFY_BEFORE_SAVE, NULL);
psxRegs.pc = psxRegs.GPR.n.ra;
+ return 1;
+}
+
+static void getFromCnf(char *buf, const char *key, u32 *val)
+{
+ buf = strstr(buf, key);
+ if (buf)
+ buf = strchr(buf, '=');
+ if (buf) {
+ unsigned long v;
+ errno = 0;
+ v = strtoul(buf + 1, NULL, 16);
+ if (errno == 0)
+ *val = v;
+ }
}
int LoadCdrom() {
- EXE_HEADER tmpHead;
+ union {
+ EXE_HEADER h;
+ u32 d[sizeof(EXE_HEADER) / sizeof(u32)];
+ } tmpHead;
struct iso_directory_record *dir;
u8 time[4], *buf;
u8 mdir[4096];
char exename[256];
+ u32 cnf_tcb = 4;
+ u32 cnf_event = 16;
+ u32 cnf_stack = 0;
+ u32 t_addr;
+ u32 t_size;
+ u32 sp = 0;
+ int i, ret;
if (!Config.HLE) {
- if (!BiosBooted) return 0; // custom BIOS
- if (psxRegs.pc != 0x80030000) return 0; // BiosBootBypass'ed
- if (Config.SlowBoot) return 0;
+ if (psxRegs.pc != 0x80030000) // BiosBootBypass'ed or custom BIOS?
+ return 0;
+ if (Config.SlowBoot)
+ return 0;
}
time[0] = itob(0); time[1] = itob(2); time[2] = itob(0x10);
else {
// read the SYSTEM.CNF
READTRACK();
+ buf[1023] = 0;
- sscanf((char *)buf + 12, "BOOT = cdrom:\\%255s", exename);
- if (GetCdromFile(mdir, time, exename) == -1) {
- sscanf((char *)buf + 12, "BOOT = cdrom:%255s", exename);
- if (GetCdromFile(mdir, time, exename) == -1) {
+ ret = sscanf((char *)buf + 12, "BOOT = cdrom:\\%255s", exename);
+ if (ret < 1 || GetCdromFile(mdir, time, exename) == -1) {
+ ret = sscanf((char *)buf + 12, "BOOT = cdrom:%255s", exename);
+ if (ret < 1 || GetCdromFile(mdir, time, exename) == -1) {
char *ptr = strstr((char *)buf + 12, "cdrom:");
if (ptr != NULL) {
ptr += 6;
return -1;
}
}
+ getFromCnf((char *)buf + 12, "TCB", &cnf_tcb);
+ getFromCnf((char *)buf + 12, "EVENT", &cnf_event);
+ getFromCnf((char *)buf + 12, "STACK", &cnf_stack);
+ if (Config.HLE)
+ psxBiosCnfLoaded(cnf_tcb, cnf_event, cnf_stack);
// Read the EXE-Header
READTRACK();
}
memcpy(&tmpHead, buf + 12, sizeof(EXE_HEADER));
+ for (i = 2; i < sizeof(tmpHead.d) / sizeof(tmpHead.d[0]); i++)
+ tmpHead.d[i] = SWAP32(tmpHead.d[i]);
- SysPrintf("manual booting '%s'\n", exename);
- SetBootRegs(SWAP32(tmpHead.pc0), SWAP32(tmpHead.gp0), SWAP32(tmpHead.s_addr));
-
- tmpHead.t_size = SWAP32(tmpHead.t_size);
- tmpHead.t_addr = SWAP32(tmpHead.t_addr);
-
- psxCpu->Clear(tmpHead.t_addr, tmpHead.t_size / 4);
- psxCpu->Reset();
+ SysPrintf("manual booting '%s' pc=%x\n", exename, tmpHead.h.pc0);
+ sp = tmpHead.h.s_addr;
+ if (cnf_stack)
+ sp = cnf_stack;
+ SetBootRegs(tmpHead.h.pc0, tmpHead.h.gp0, sp);
// Read the rest of the main executable
- while (tmpHead.t_size & ~2047) {
- void *ptr = (void *)PSXM(tmpHead.t_addr);
+ for (t_addr = tmpHead.h.t_addr, t_size = tmpHead.h.t_size; t_size & ~2047; ) {
+ void *ptr = (void *)PSXM(t_addr);
incTime();
READTRACK();
if (ptr != INVALID_PTR) memcpy(ptr, buf+12, 2048);
- tmpHead.t_size -= 2048;
- tmpHead.t_addr += 2048;
+ t_addr += 2048;
+ t_size -= 2048;
}
+ psxCpu->Clear(tmpHead.h.t_addr, tmpHead.h.t_size / 4);
+ //psxCpu->Reset();
+
+ if (Config.HLE)
+ psxBiosCheckExe(tmpHead.h.t_addr, tmpHead.h.t_size, 0);
+
return 0;
}
-int LoadCdromFile(const char *filename, EXE_HEADER *head) {
+int LoadCdromFile(const char *filename, EXE_HEADER *head, u8 *time_bcd_out) {
struct iso_directory_record *dir;
u8 time[4],*buf;
u8 mdir[4096];
char exename[256];
+ const char *p1, *p2;
u32 size, addr;
void *mem;
- sscanf(filename, "cdrom:\\%255s", exename);
+ if (filename == INVALID_PTR)
+ return -1;
+
+ p1 = filename;
+ if ((p2 = strchr(p1, ':')))
+ p1 = p2 + 1;
+ while (*p1 == '\\')
+ p1++;
+ snprintf(exename, sizeof(exename), "%s", p1);
time[0] = itob(0); time[1] = itob(2); time[2] = itob(0x10);
if (GetCdromFile(mdir, time, exename) == -1) return -1;
READTRACK();
+ incTime();
memcpy(head, buf + 12, sizeof(EXE_HEADER));
- size = head->t_size;
- addr = head->t_addr;
+ size = SWAP32(head->t_size);
+ addr = SWAP32(head->t_addr);
psxCpu->Clear(addr, size / 4);
- psxCpu->Reset();
+ //psxCpu->Reset();
while (size & ~2047) {
- incTime();
READTRACK();
+ incTime();
mem = PSXM(addr);
if (mem != INVALID_PTR)
size -= 2048;
addr += 2048;
}
+ if (time_bcd_out)
+ memcpy(time_bcd_out, time, 3);
return 0;
}
int CheckCdrom() {
struct iso_directory_record *dir;
+ struct CdrStat stat = { 0, 0, };
unsigned char time[4];
char *buf;
unsigned char mdir[4096];
int i, len, c;
FreePPFCache();
+ memset(CdromLabel, 0, sizeof(CdromLabel));
+ memset(CdromId, 0, sizeof(CdromId));
+ memset(exename, 0, sizeof(exename));
time[0] = itob(0);
time[1] = itob(2);
time[2] = itob(0x10);
+ if (!Config.HLE && Config.SlowBoot) {
+ // boot to BIOS in case of CDDA ir lid open
+ CDR_getStatus(&stat);
+ if ((stat.Status & 0x10) || stat.Type == 2 || !CDR_readTrack(time))
+ return 0;
+ }
READTRACK();
- memset(CdromLabel, 0, sizeof(CdromLabel));
- memset(CdromId, 0, sizeof(CdromId));
- memset(exename, 0, sizeof(exename));
-
strncpy(CdromLabel, buf + 52, 32);
// skip head and sub, and go to the root directory record
// If you make changes to the savestate version, please increment the value below.
static const u32 SaveVersion = 0x8b410006;
+#define MISC_MAGIC 0x4353494d
+struct misc_save_data {
+ u32 magic;
+ u32 gteBusyCycle;
+ u32 muldivBusyCycle;
+ u32 biuReg;
+ u32 biosBranchCheck;
+ u32 gpuIdleAfter;
+ u32 gpuSr;
+ u32 frame_counter;
+ int CdromFrontendId;
+};
+
int SaveState(const char *file) {
+ struct misc_save_data *misc = (void *)(psxH + 0xf000);
void *f;
- GPUFreeze_t *gpufP;
- SPUFreezeHdr_t *spufH;
- SPUFreeze_t *spufP;
+ GPUFreeze_t *gpufP = NULL;
+ SPUFreezeHdr_t spufH;
+ SPUFreeze_t *spufP = NULL;
+ unsigned char *pMem = NULL;
+ int result = -1;
int Size;
- unsigned char *pMem;
+
+ assert(!psxRegs.branching);
+ assert(!psxRegs.cpuInRecursion);
+ assert(!misc->magic);
f = SaveFuncs.open(file, "wb");
if (f == NULL) return -1;
+ misc->magic = MISC_MAGIC;
+ misc->gteBusyCycle = psxRegs.gteBusyCycle;
+ misc->muldivBusyCycle = psxRegs.muldivBusyCycle;
+ misc->biuReg = psxRegs.biuReg;
+ misc->biosBranchCheck = psxRegs.biosBranchCheck;
+ misc->gpuIdleAfter = psxRegs.gpuIdleAfter;
+ misc->gpuSr = HW_GPU_STATUS;
+ misc->frame_counter = frame_counter;
+ misc->CdromFrontendId = CdromFrontendId;
+
psxCpu->Notify(R3000ACPU_NOTIFY_BEFORE_SAVE, NULL);
SaveFuncs.write(f, (void *)PcsxHeader, 32);
SaveFuncs.write(f, (void *)&Config.HLE, sizeof(boolean));
pMem = (unsigned char *)malloc(128 * 96 * 3);
- if (pMem == NULL) return -1;
+ if (pMem == NULL) goto cleanup;
GPU_getScreenPic(pMem);
SaveFuncs.write(f, pMem, 128 * 96 * 3);
free(pMem);
// gpu
gpufP = (GPUFreeze_t *)malloc(sizeof(GPUFreeze_t));
+ if (gpufP == NULL) goto cleanup;
gpufP->ulFreezeVersion = 1;
GPU_freeze(1, gpufP);
SaveFuncs.write(f, gpufP, sizeof(GPUFreeze_t));
- free(gpufP);
+ free(gpufP); gpufP = NULL;
// spu
- spufH = malloc(sizeof(*spufH));
- SPU_freeze(2, (SPUFreeze_t *)spufH, psxRegs.cycle);
- Size = spufH->Size; SaveFuncs.write(f, &Size, 4);
- free(spufH);
+ SPU_freeze(2, (SPUFreeze_t *)&spufH, psxRegs.cycle);
+ Size = spufH.Size; SaveFuncs.write(f, &Size, 4);
spufP = (SPUFreeze_t *) malloc(Size);
+ if (spufP == NULL) goto cleanup;
SPU_freeze(1, spufP, psxRegs.cycle);
SaveFuncs.write(f, spufP, Size);
- free(spufP);
+ free(spufP); spufP = NULL;
sioFreeze(f, 1);
cdrFreeze(f, 1);
psxRcntFreeze(f, 1);
mdecFreeze(f, 1);
new_dyna_freeze(f, 1);
+ padFreeze(f, 1);
+ result = 0;
+cleanup:
+ memset(misc, 0, sizeof(*misc));
SaveFuncs.close(f);
-
- return 0;
+ return result;
}
int LoadState(const char *file) {
+ struct misc_save_data *misc = (void *)(psxH + 0xf000);
+ u32 biosBranchCheckOld = psxRegs.biosBranchCheck;
void *f;
- GPUFreeze_t *gpufP;
- SPUFreeze_t *spufP;
+ GPUFreeze_t *gpufP = NULL;
+ SPUFreeze_t *spufP = NULL;
int Size;
char header[32];
u32 version;
boolean hle;
+ int result = -1;
f = SaveFuncs.open(file, "rb");
if (f == NULL) return -1;
SaveFuncs.read(f, &hle, sizeof(boolean));
if (strncmp("STv4 PCSX", header, 9) != 0 || version != SaveVersion) {
- SaveFuncs.close(f);
- return -1;
+ SysPrintf("incompatible savestate version %x\n", version);
+ goto cleanup;
}
Config.HLE = hle;
SaveFuncs.read(f, psxH, 0x00010000);
SaveFuncs.read(f, &psxRegs, offsetof(psxRegisters, gteBusyCycle));
psxRegs.gteBusyCycle = psxRegs.cycle;
+ psxRegs.biosBranchCheck = ~0;
+ psxRegs.gpuIdleAfter = psxRegs.cycle - 1;
+ HW_GPU_STATUS &= SWAP32(~PSXGPU_nBUSY);
+ if (misc->magic == MISC_MAGIC) {
+ psxRegs.gteBusyCycle = misc->gteBusyCycle;
+ psxRegs.muldivBusyCycle = misc->muldivBusyCycle;
+ psxRegs.biuReg = misc->biuReg;
+ psxRegs.biosBranchCheck = misc->biosBranchCheck;
+ psxRegs.gpuIdleAfter = misc->gpuIdleAfter;
+ HW_GPU_STATUS = misc->gpuSr;
+ frame_counter = misc->frame_counter;
+ CdromFrontendId = misc->CdromFrontendId;
+ }
psxCpu->Notify(R3000ACPU_NOTIFY_AFTER_LOAD, NULL);
// gpu
gpufP = (GPUFreeze_t *)malloc(sizeof(GPUFreeze_t));
+ if (gpufP == NULL) goto cleanup;
SaveFuncs.read(f, gpufP, sizeof(GPUFreeze_t));
GPU_freeze(0, gpufP);
free(gpufP);
- if (HW_GPU_STATUS == 0)
- HW_GPU_STATUS = SWAP32(GPU_readStatus());
+ gpuSyncPluginSR();
// spu
SaveFuncs.read(f, &Size, 4);
spufP = (SPUFreeze_t *)malloc(Size);
+ if (spufP == NULL) goto cleanup;
SaveFuncs.read(f, spufP, Size);
SPU_freeze(0, spufP, psxRegs.cycle);
free(spufP);
psxRcntFreeze(f, 0);
mdecFreeze(f, 0);
new_dyna_freeze(f, 0);
+ padFreeze(f, 0);
- SaveFuncs.close(f);
+ events_restore();
+ if (Config.HLE)
+ psxBiosCheckExe(biosBranchCheckOld, 0x60, 1);
- return 0;
+ result = 0;
+cleanup:
+ memset(misc, 0, sizeof(*misc));
+ SaveFuncs.close(f);
+ return result;
}
int CheckState(const char *file) {
NET_recvData(&RCntFix_old, sizeof(RCntFix_old), PSE_NET_BLOCKING);
NET_recvData(&Config.PsxType, sizeof(Config.PsxType), PSE_NET_BLOCKING);
- SysUpdate();
-
tmp = Config.Cpu;
NET_recvData(&Config.Cpu, sizeof(Config.Cpu), PSE_NET_BLOCKING);
if (tmp != Config.Cpu) {
notaz.gp2x.de / pcsx_rearmed.git / blobdiff