+// SPDX-License-Identifier: MIT
+
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <endian.h>
-#include "piscsi.h"
+
+#include "config_file/config_file.h"
+#include "gpio/ps_protocol.h"
#include "piscsi-enums.h"
-#include "../../../config_file/config_file.h"
-#include "../../../gpio/gpio.h"
+#include "piscsi.h"
+#include "platforms/amiga/hunk-reloc.h"
-struct piscsi_dev devs[8];
-uint8_t piscsi_cur_drive = 0;
-uint32_t piscsi_u32[4];
-uint32_t piscsi_rom_size = 0;
-uint8_t *piscsi_rom_ptr;
+#define BE(val) be32toh(val)
+#define BE16(val) be16toh(val)
-extern unsigned char ac_piscsi_rom[];
+// Uncomment the line below to enable debug output
+//#define PISCSI_DEBUG
+
+#ifdef PISCSI_DEBUG
+#define DEBUG printf
+//#define DEBUG_TRIVIAL printf
+#define DEBUG_TRIVIAL(...)
+
+//extern void stop_cpu_emulation(uint8_t disasm_cur);
+#define stop_cpu_emulation(...)
static const char *op_type_names[4] = {
"BYTE",
"LONGWORD",
"MEM",
};
+#else
+#define DEBUG(...)
+#define DEBUG_TRIVIAL(...)
+#define stop_cpu_emulation(...)
+#endif
+
+#ifdef FAKESTORM
+#define lseek64 lseek
+#endif
+
+extern struct emulator_config *cfg;
+
+struct piscsi_dev devs[8];
+struct piscsi_fs filesystems[NUM_FILESYSTEMS];
+
+uint8_t piscsi_num_fs = 0;
+
+uint8_t piscsi_cur_drive = 0;
+uint32_t piscsi_u32[4];
+uint32_t piscsi_dbg[8];
+uint32_t piscsi_rom_size = 0;
+uint8_t *piscsi_rom_ptr;
+
+uint32_t rom_partitions[128];
+uint32_t rom_partition_prio[128];
+uint32_t rom_partition_dostype[128];
+uint32_t rom_cur_partition = 0, rom_cur_fs = 0;
+
+extern unsigned char ac_piscsi_rom[];
+
+//static const char *partition_marker = "PART";
+
+struct hunk_info piscsi_hinfo;
+struct hunk_reloc piscsi_hreloc[256];
void piscsi_init() {
for (int i = 0; i < 8; i++) {
devs[i].fd = -1;
+ devs[i].lba = 0;
devs[i].c = devs[i].h = devs[i].s = 0;
}
- FILE *in = fopen("./platforms/amiga/piscsi/piscsi.rom", "rb");
- if (in == NULL) {
- printf("[PISCSI] Could not open PISCSI Boot ROM file for reading.\n");
- ac_piscsi_rom[20] = 0;
- ac_piscsi_rom[21] = 0;
- ac_piscsi_rom[22] = 0;
- ac_piscsi_rom[23] = 0;
+ if (piscsi_rom_ptr == NULL) {
+ FILE *in = fopen("./platforms/amiga/piscsi/piscsi.rom", "rb");
+ if (in == NULL) {
+ printf("[PISCSI] Could not open PISCSI Boot ROM file for reading!\n");
+ // Zero out the boot ROM offset from the autoconfig ROM.
+ ac_piscsi_rom[20] = 0;
+ ac_piscsi_rom[21] = 0;
+ ac_piscsi_rom[22] = 0;
+ ac_piscsi_rom[23] = 0;
+ return;
+ }
+ fseek(in, 0, SEEK_END);
+ piscsi_rom_size = ftell(in);
+ fseek(in, 0, SEEK_SET);
+ piscsi_rom_ptr = malloc(piscsi_rom_size);
+ fread(piscsi_rom_ptr, piscsi_rom_size, 1, in);
+
+ fseek(in, PISCSI_DRIVER_OFFSET, SEEK_SET);
+ process_hunks(in, &piscsi_hinfo, piscsi_hreloc, PISCSI_DRIVER_OFFSET);
+
+ fclose(in);
+
+ printf("[PISCSI] Loaded Boot ROM.\n");
+ } else {
+ printf("[PISCSI] Boot ROM already loaded.\n");
+ }
+ fflush(stdout);
+}
+
+void piscsi_shutdown() {
+ printf("[PISCSI] Shutting down PiSCSI.\n");
+ for (int i = 0; i < 8; i++) {
+ if (devs[i].fd != -1) {
+ close(devs[i].fd);
+ devs[i].fd = -1;
+ devs[i].block_size = 0;
+ }
+ }
+
+ for (int i = 0; i < NUM_FILESYSTEMS; i++) {
+ if (filesystems[i].binary_data) {
+ free(filesystems[i].binary_data);
+ filesystems[i].binary_data = NULL;
+ }
+ if (filesystems[i].fhb) {
+ free(filesystems[i].fhb);
+ filesystems[i].fhb = NULL;
+ }
+ filesystems[i].h_info.current_hunk = 0;
+ filesystems[i].h_info.reloc_hunks = 0;
+ filesystems[i].FS_ID = 0;
+ filesystems[i].handler = 0;
+ }
+}
+
+void piscsi_find_partitions(struct piscsi_dev *d) {
+ int fd = d->fd;
+ int cur_partition = 0;
+ uint8_t tmp;
+
+ for (int i = 0; i < 16; i++) {
+ if (d->pb[i]) {
+ free(d->pb[i]);
+ d->pb[i] = NULL;
+ }
+ }
+
+ if (!d->rdb || d->rdb->rdb_PartitionList == 0) {
+ DEBUG("[PISCSI] No partitions on disk.\n");
+ return;
+ }
+
+ char *block = malloc(d->block_size);
+
+ lseek(fd, BE(d->rdb->rdb_PartitionList) * d->block_size, SEEK_SET);
+next_partition:;
+ read(fd, block, d->block_size);
+
+ uint32_t first = be32toh(*((uint32_t *)&block[0]));
+ if (first != PART_IDENTIFIER) {
+ DEBUG("Entry at block %d is not a valid partition. Aborting.\n", BE(d->rdb->rdb_PartitionList));
return;
}
- fseek(in, 0, SEEK_END);
- piscsi_rom_size = ftell(in);
- fseek(in, 0, SEEK_SET);
- piscsi_rom_ptr = malloc(piscsi_rom_size);
- fread(piscsi_rom_ptr, piscsi_rom_size, 1, in);
- fclose(in);
- printf("[PISCSI] Loaded Boot ROM.\n");
+
+ struct PartitionBlock *pb = (struct PartitionBlock *)block;
+ tmp = pb->pb_DriveName[0];
+ pb->pb_DriveName[tmp + 1] = 0x00;
+ DEBUG("[PISCSI] Partition %d: %s\n", cur_partition, pb->pb_DriveName + 1);
+ DEBUG("Checksum: %.8X HostID: %d\n", BE(pb->pb_ChkSum), BE(pb->pb_HostID));
+ DEBUG("Flags: %d (%.8X) Devflags: %d (%.8X)\n", BE(pb->pb_Flags), BE(pb->pb_Flags), BE(pb->pb_DevFlags), BE(pb->pb_DevFlags));
+ d->pb[cur_partition] = pb;
+
+ if (d->pb[cur_partition]->pb_Next != 0xFFFFFFFF) {
+ uint64_t next = be32toh(pb->pb_Next);
+ block = malloc(d->block_size);
+ lseek64(fd, next * d->block_size, SEEK_SET);
+ cur_partition++;
+ DEBUG("[PISCSI] Next partition at block %d.\n", be32toh(pb->pb_Next));
+ goto next_partition;
+ }
+ DEBUG("[PISCSI] No more partitions on disk.\n");
+ d->num_partitions = cur_partition + 1;
+ d->fshd_offs = lseek64(fd, 0, SEEK_CUR);
+
+ return;
+}
+
+int piscsi_parse_rdb(struct piscsi_dev *d) {
+ int fd = d->fd;
+ int i = 0;
+ uint8_t *block = malloc(PISCSI_MAX_BLOCK_SIZE);
+
+ lseek(fd, 0, SEEK_SET);
+ for (i = 0; i < RDB_BLOCK_LIMIT; i++) {
+ read(fd, block, PISCSI_MAX_BLOCK_SIZE);
+ uint32_t first = be32toh(*((uint32_t *)&block[0]));
+ if (first == RDB_IDENTIFIER)
+ goto rdb_found;
+ }
+ goto no_rdb_found;
+rdb_found:;
+ struct RigidDiskBlock *rdb = (struct RigidDiskBlock *)block;
+ DEBUG("[PISCSI] RDB found at block %d.\n", i);
+ d->c = be32toh(rdb->rdb_Cylinders);
+ d->h = be32toh(rdb->rdb_Heads);
+ d->s = be32toh(rdb->rdb_Sectors);
+ d->num_partitions = 0;
+ DEBUG("[PISCSI] RDB - first partition at block %d.\n", be32toh(rdb->rdb_PartitionList));
+ d->block_size = be32toh(rdb->rdb_BlockBytes);
+ DEBUG("[PISCSI] Block size: %d. (%d)\n", be32toh(rdb->rdb_BlockBytes), d->block_size);
+ if (d->rdb)
+ free(d->rdb);
+ d->rdb = rdb;
+ sprintf(d->rdb->rdb_DriveInitName, "pi-scsi.device");
+ return 0;
+
+no_rdb_found:;
+ if (block)
+ free(block);
+
+ return -1;
+}
+
+void piscsi_refresh_drives() {
+ piscsi_num_fs = 0;
+
+ for (int i = 0; i < NUM_FILESYSTEMS; i++) {
+ if (filesystems[i].binary_data) {
+ free(filesystems[i].binary_data);
+ filesystems[i].binary_data = NULL;
+ }
+ if (filesystems[i].fhb) {
+ free(filesystems[i].fhb);
+ filesystems[i].fhb = NULL;
+ }
+ filesystems[i].h_info.current_hunk = 0;
+ filesystems[i].h_info.reloc_hunks = 0;
+ filesystems[i].FS_ID = 0;
+ filesystems[i].handler = 0;
+ }
+
+ rom_cur_fs = 0;
+
+ for (int i = 0; i < NUM_UNITS; i++) {
+ if (devs[i].fd != -1) {
+ piscsi_parse_rdb(&devs[i]);
+ piscsi_find_partitions(&devs[i]);
+ piscsi_find_filesystems(&devs[i]);
+ }
+ }
+}
+
+void piscsi_find_filesystems(struct piscsi_dev *d) {
+ if (!d->num_partitions)
+ return;
+
+ uint8_t fs_found = 0;
+
+ uint8_t *fhb_block = malloc(d->block_size);
+
+ lseek64(d->fd, d->fshd_offs, SEEK_SET);
+
+ struct FileSysHeaderBlock *fhb = (struct FileSysHeaderBlock *)fhb_block;
+ read(d->fd, fhb_block, d->block_size);
+
+ while (BE(fhb->fhb_ID) == FS_IDENTIFIER) {
+ char *dosID = (char *)&fhb->fhb_DosType;
+#ifdef PISCSI_DEBUG
+ uint16_t *fsVer = (uint16_t *)&fhb->fhb_Version;
+
+ DEBUG("[FSHD] FSHD Block found.\n");
+ DEBUG("[FSHD] HostID: %d Next: %d Size: %d\n", BE(fhb->fhb_HostID), BE(fhb->fhb_Next), BE(fhb->fhb_SummedLongs));
+ DEBUG("[FSHD] Flags: %.8X DOSType: %c%c%c/%d\n", BE(fhb->fhb_Flags), dosID[0], dosID[1], dosID[2], dosID[3]);
+ DEBUG("[FSHD] Version: %d.%d\n", BE16(fsVer[0]), BE16(fsVer[1]));
+ DEBUG("[FSHD] Patchflags: %d Type: %d\n", BE(fhb->fhb_PatchFlags), BE(fhb->fhb_Type));
+ DEBUG("[FSHD] Task: %d Lock: %d\n", BE(fhb->fhb_Task), BE(fhb->fhb_Lock));
+ DEBUG("[FSHD] Handler: %d StackSize: %d\n", BE(fhb->fhb_Handler), BE(fhb->fhb_StackSize));
+ DEBUG("[FSHD] Prio: %d Startup: %d (%.8X)\n", BE(fhb->fhb_Priority), BE(fhb->fhb_Startup), BE(fhb->fhb_Startup));
+ DEBUG("[FSHD] SegListBlocks: %d GlobalVec: %d\n", BE(fhb->fhb_Priority), BE(fhb->fhb_Startup));
+ DEBUG("[FSHD] FileSysName: %s\n", fhb->fhb_FileSysName + 1);
+#endif
+
+ for (int i = 0; i < NUM_FILESYSTEMS; i++) {
+ if (filesystems[i].FS_ID == fhb->fhb_DosType) {
+ DEBUG("[FSHD] File system %c%c%c/%d already loaded. Skipping.\n", dosID[0], dosID[1], dosID[2], dosID[3]);
+ if (BE(fhb->fhb_Next) == 0xFFFFFFFF)
+ goto fs_done;
+
+ goto skip_fs_load_lseg;
+ }
+ }
+
+ if (load_lseg(d->fd, &filesystems[piscsi_num_fs].binary_data, &filesystems[piscsi_num_fs].h_info, filesystems[piscsi_num_fs].relocs, d->block_size) != -1) {
+ filesystems[piscsi_num_fs].FS_ID = fhb->fhb_DosType;
+ filesystems[piscsi_num_fs].fhb = fhb;
+ printf("[FSHD] Loaded and set up file system %d: %c%c%c/%d\n", piscsi_num_fs + 1, dosID[0], dosID[1], dosID[2], dosID[3]);
+ {
+ char fs_save_filename[256];
+ memset(fs_save_filename, 0x00, 256);
+ sprintf(fs_save_filename, "./data/fs/%c%c%c.%d", dosID[0], dosID[1], dosID[2], dosID[3]);
+ FILE *save_fs = fopen(fs_save_filename, "rb");
+ if (save_fs == NULL) {
+ save_fs = fopen(fs_save_filename, "wb+");
+ if (save_fs != NULL) {
+ fwrite(filesystems[piscsi_num_fs].binary_data, filesystems[piscsi_num_fs].h_info.byte_size, 1, save_fs);
+ fclose(save_fs);
+ printf("[FSHD] File system %c%c%c/%d saved to fs storage.\n", dosID[0], dosID[1], dosID[2], dosID[3]);
+ } else {
+ printf("[FSHD] Failed to save file system to fs storage. (Permission issues?)\n");
+ }
+ } else {
+ fclose(save_fs);
+ }
+ }
+ piscsi_num_fs++;
+ }
+
+skip_fs_load_lseg:;
+ fs_found++;
+ lseek64(d->fd, BE(fhb->fhb_Next) * d->block_size, SEEK_SET);
+ fhb_block = malloc(d->block_size);
+ fhb = (struct FileSysHeaderBlock *)fhb_block;
+ read(d->fd, fhb_block, d->block_size);
+ }
+
+ if (!fs_found) {
+ DEBUG("[!!!FSHD] No file systems found on hard drive!\n");
+ }
+
+fs_done:;
+ if (fhb_block)
+ free(fhb_block);
+}
+
+struct piscsi_dev *piscsi_get_dev(uint8_t index) {
+ return &devs[index];
}
void piscsi_map_drive(char *filename, uint8_t index) {
struct piscsi_dev *d = &devs[index];
uint64_t file_size = lseek(tmp_fd, 0, SEEK_END);
+ d->fs = file_size;
+ d->fd = tmp_fd;
lseek(tmp_fd, 0, SEEK_SET);
printf("[PISCSI] Map %d: [%s] - %llu bytes.\n", index, filename, file_size);
- d->h = 64;
- d->s = 63;
- d->c = (file_size / 512) / (d->s * d->h);
+
+ if (piscsi_parse_rdb(d) == -1) {
+ DEBUG("[PISCSI] No RDB found on disk, making up some CHS values.\n");
+ d->h = 16;
+ d->s = 63;
+ d->c = (file_size / 512) / (d->s * d->h);
+ d->block_size = 512;
+ }
printf("[PISCSI] CHS: %d %d %d\n", d->c, d->h, d->s);
- d->fs = file_size;
- d->fd = tmp_fd;
+
+ printf ("Finding partitions.\n");
+ piscsi_find_partitions(d);
+ printf ("Finding file systems.\n");
+ piscsi_find_filesystems(d);
+ printf ("Done.\n");
}
void piscsi_unmap_drive(uint8_t index) {
if (devs[index].fd != -1) {
- printf("[PISCSI] Unmapped drive %d.\n", index);
+ DEBUG("[PISCSI] Unmapped drive %d.\n", index);
close (devs[index].fd);
devs[index].fd = -1;
}
}
-extern struct emulator_config *cfg;
+char *io_cmd_name(int index) {
+ switch (index) {
+ case CMD_INVALID: return "INVALID";
+ case CMD_RESET: return "RESET";
+ case CMD_READ: return "READ";
+ case CMD_WRITE: return "WRITE";
+ case CMD_UPDATE: return "UPDATE";
+ case CMD_CLEAR: return "CLEAR";
+ case CMD_STOP: return "STOP";
+ case CMD_START: return "START";
+ case CMD_FLUSH: return "FLUSH";
+ case TD_MOTOR: return "TD_MOTOR";
+ case TD_SEEK: return "SEEK";
+ case TD_FORMAT: return "FORMAT";
+ case TD_REMOVE: return "REMOVE";
+ case TD_CHANGENUM: return "CHANGENUM";
+ case TD_CHANGESTATE: return "CHANGESTATE";
+ case TD_PROTSTATUS: return "PROTSTATUS";
+ case TD_RAWREAD: return "RAWREAD";
+ case TD_RAWWRITE: return "RAWWRITE";
+ case TD_GETDRIVETYPE: return "GETDRIVETYPE";
+ case TD_GETNUMTRACKS: return "GETNUMTRACKS";
+ case TD_ADDCHANGEINT: return "ADDCHANGEINT";
+ case TD_REMCHANGEINT: return "REMCHANGEINT";
+ case TD_GETGEOMETRY: return "GETGEOMETRY";
+ case TD_EJECT: return "EJECT";
+ case TD_LASTCOMM: return "LASTCOMM/READ64";
+ case TD_WRITE64: return "WRITE64";
+ case HD_SCSICMD: return "HD_SCSICMD";
+ case NSCMD_DEVICEQUERY: return "NSCMD_DEVICEQUERY";
+ case NSCMD_TD_READ64: return "NSCMD_TD_READ64";
+ case NSCMD_TD_WRITE64: return "NSCMD_TD_WRITE64";
+ case NSCMD_TD_FORMAT64: return "NSCMD_TD_FORMAT64";
+
+ default:
+ return "[!!!PISCSI] Unhandled IO command";
+ }
+}
+
+#define GETSCSINAME(a) case a: return ""#a"";
+#define SCSIUNHANDLED(a) return "[!!!PISCSI] Unhandled SCSI command "#a"";
+
+char *scsi_cmd_name(int index) {
+ switch(index) {
+ GETSCSINAME(SCSICMD_TEST_UNIT_READY);
+ GETSCSINAME(SCSICMD_INQUIRY);
+ GETSCSINAME(SCSICMD_READ_6);
+ GETSCSINAME(SCSICMD_WRITE_6);
+ GETSCSINAME(SCSICMD_READ_10);
+ GETSCSINAME(SCSICMD_WRITE_10);
+ GETSCSINAME(SCSICMD_READ_CAPACITY_10);
+ GETSCSINAME(SCSICMD_MODE_SENSE_6);
+ GETSCSINAME(SCSICMD_READ_DEFECT_DATA_10);
+ default:
+ return "[!!!PISCSI] Unhandled SCSI command";
+ }
+}
+
+void print_piscsi_debug_message(int index) {
+ int32_t r = 0;
+
+ switch (index) {
+ case DBG_INIT:
+ DEBUG("[PISCSI] Initializing devices.\n");
+ break;
+ case DBG_OPENDEV:
+ if (piscsi_dbg[0] != 255) {
+ DEBUG("[PISCSI] Opening device %d (%d). Flags: %d (%.2X)\n", piscsi_dbg[0], piscsi_dbg[2], piscsi_dbg[1], piscsi_dbg[1]);
+ }
+ break;
+ case DBG_CLEANUP:
+ DEBUG("[PISCSI] Cleaning up.\n");
+ break;
+ case DBG_CHS:
+ DEBUG("[PISCSI] C/H/S: %d / %d / %d\n", piscsi_dbg[0], piscsi_dbg[1], piscsi_dbg[2]);
+ break;
+ case DBG_BEGINIO:
+ DEBUG("[PISCSI] BeginIO: io_Command: %d (%s) - io_Flags = %d - quick: %d\n", piscsi_dbg[0], io_cmd_name(piscsi_dbg[0]), piscsi_dbg[1], piscsi_dbg[2]);
+ break;
+ case DBG_ABORTIO:
+ DEBUG("[PISCSI] AbortIO!\n");
+ break;
+ case DBG_SCSICMD:
+ DEBUG("[PISCSI] SCSI Command %d (%s)\n", piscsi_dbg[1], scsi_cmd_name(piscsi_dbg[1]));
+ DEBUG("Len: %d - %.2X %.2X %.2X - Command Length: %d\n", piscsi_dbg[0], piscsi_dbg[1], piscsi_dbg[2], piscsi_dbg[3], piscsi_dbg[4]);
+ break;
+ case DBG_SCSI_UNKNOWN_MODESENSE:
+ DEBUG("[!!!PISCSI] SCSI: Unknown modesense %.4X\n", piscsi_dbg[0]);
+ break;
+ case DBG_SCSI_UNKNOWN_COMMAND:
+ DEBUG("[!!!PISCSI] SCSI: Unknown command %.4X\n", piscsi_dbg[0]);
+ break;
+ case DBG_SCSIERR:
+ DEBUG("[!!!PISCSI] SCSI: An error occured: %.4X\n", piscsi_dbg[0]);
+ break;
+ case DBG_IOCMD:
+ DEBUG_TRIVIAL("[PISCSI] IO Command %d (%s)\n", piscsi_dbg[0], io_cmd_name(piscsi_dbg[0]));
+ break;
+ case DBG_IOCMD_UNHANDLED:
+ DEBUG("[!!!PISCSI] WARN: IO command %.4X (%s) is unhandled by driver.\n", piscsi_dbg[0], io_cmd_name(piscsi_dbg[0]));
+ break;
+ case DBG_SCSI_FORMATDEVICE:
+ DEBUG("[PISCSI] Get SCSI FormatDevice MODE SENSE.\n");
+ break;
+ case DBG_SCSI_RDG:
+ DEBUG("[PISCSI] Get SCSI RDG MODE SENSE.\n");
+ break;
+ case DBG_SCSICMD_RW10:
+#ifdef PISCSI_DEBUG
+ r = get_mapped_item_by_address(cfg, piscsi_dbg[0]);
+ struct SCSICmd_RW10 *rwdat = NULL;
+ char data[10];
+ if (r != -1) {
+ uint32_t addr = piscsi_dbg[0] - cfg->map_offset[r];
+ rwdat = (struct SCSICmd_RW10 *)(&cfg->map_data[r][addr]);
+ }
+ else {
+ DEBUG_TRIVIAL("[RW10] scsiData: %.8X\n", piscsi_dbg[0]);
+ for (int i = 0; i < 10; i++) {
+ data[i] = read8(piscsi_dbg[0] + i);
+ }
+ rwdat = data;
+ }
+ if (rwdat) {
+ DEBUG_TRIVIAL("[RW10] CMD: %.2X\n", rwdat->opcode);
+ DEBUG_TRIVIAL("[RW10] RDP: %.2X\n", rwdat->rdprotect_flags);
+ DEBUG_TRIVIAL("[RW10] Block: %d (%d)\n", rwdat->block, BE(rwdat->block));
+ DEBUG_TRIVIAL("[RW10] Res_Group: %.2X\n", rwdat->res_groupnum);
+ DEBUG_TRIVIAL("[RW10] Len: %d (%d)\n", rwdat->len, BE16(rwdat->len));
+ }
+#endif
+ break;
+ case DBG_SCSI_DEBUG_MODESENSE_6:
+ DEBUG_TRIVIAL("[PISCSI] SCSI ModeSense debug. Data: %.8X\n", piscsi_dbg[0]);
+ r = get_mapped_item_by_address(cfg, piscsi_dbg[0]);
+ if (r != -1) {
+#ifdef PISCSI_DEBUG
+ uint32_t addr = piscsi_dbg[0] - cfg->map_offset[r];
+ struct SCSICmd_ModeSense6 *sense = (struct SCSICmd_ModeSense6 *)(&cfg->map_data[r][addr]);
+ DEBUG_TRIVIAL("[SenseData] CMD: %.2X\n", sense->opcode);
+ DEBUG_TRIVIAL("[SenseData] DBD: %d\n", sense->reserved_dbd & 0x04);
+ DEBUG_TRIVIAL("[SenseData] PC: %d\n", (sense->pc_pagecode & 0xC0 >> 6));
+ DEBUG_TRIVIAL("[SenseData] PageCodes: %.2X %.2X\n", (sense->pc_pagecode & 0x3F), sense->subpage_code);
+ DEBUG_TRIVIAL("[SenseData] AllocLen: %d\n", sense->alloc_len);
+ DEBUG_TRIVIAL("[SenseData] Control: %.2X (%d)\n", sense->control, sense->control);
+#endif
+ }
+ else {
+ DEBUG("[!!!PISCSI] ModeSense data not immediately available.\n");
+ }
+ break;
+ default:
+ DEBUG("[!!!PISCSI] No debug message available for index %d.\n", index);
+ break;
+ }
+}
+
+#define DEBUGME_SIMPLE(i, s) case i: DEBUG(s); break;
+
+void piscsi_debugme(uint32_t index) {
+ switch (index) {
+ DEBUGME_SIMPLE(1, "[PISCSI-DEBUGME] Arrived at DiagEntry.\n");
+ DEBUGME_SIMPLE(2, "[PISCSI-DEBUGME] Arrived at BootEntry, for some reason.\n");
+ DEBUGME_SIMPLE(3, "[PISCSI-DEBUGME] Init: Interrupt disable.\n");
+ DEBUGME_SIMPLE(4, "[PISCSI-DEBUGME] Init: Copy/reloc driver.\n");
+ DEBUGME_SIMPLE(5, "[PISCSI-DEBUGME] Init: InitResident.\n");
+ DEBUGME_SIMPLE(7, "[PISCSI-DEBUGME] Init: Begin partition loop.\n");
+ DEBUGME_SIMPLE(8, "[PISCSI-DEBUGME] Init: Partition loop done. Cleaning up and returning to Exec.\n");
+ DEBUGME_SIMPLE(9, "[PISCSI-DEBUGME] Init: Load file systems.\n");
+ DEBUGME_SIMPLE(10, "[PISCSI-DEBUGME] Init: AllocMem for resident.\n");
+ DEBUGME_SIMPLE(11, "[PISCSI-DEBUGME] Init: Checking if resident is loaded.\n");
+ DEBUGME_SIMPLE(22, "[PISCSI-DEBUGME] Arrived at BootEntry.\n");
+ case 30:
+ DEBUG("[PISCSI-DEBUGME] LoadFileSystems: Opening FileSystem.resource.\n");
+ rom_cur_fs = 0;
+ break;
+ DEBUGME_SIMPLE(33, "[PISCSI-DEBUGME] FileSystem.resource not available, creating.\n");
+ case 31:
+ DEBUG("[PISCSI-DEBUGME] OpenResource result: %d\n", piscsi_u32[0]);
+ break;
+ case 32:
+ DEBUG("AAAAHH!\n");
+ break;
+ case 35:
+ DEBUG("[PISCSI-DEBUGME] stuff output\n");
+ break;
+ case 36:
+ DEBUG("[PISCSI-DEBUGME] Debug pointers: %.8X %.8X %.8X %.8X\n", piscsi_u32[0], piscsi_u32[1], piscsi_u32[2], piscsi_u32[3]);
+ break;
+ default:
+ DEBUG("[!!!PISCSI-DEBUGME] No debugme message for index %d!\n", index);
+ break;
+ }
+
+ if (index == 8) {
+ stop_cpu_emulation(1);
+ }
+}
void handle_piscsi_write(uint32_t addr, uint32_t val, uint8_t type) {
int32_t r;
+ uint8_t *map;
+#ifndef PISCSI_DEBUG
+ if (type) {}
+#endif
struct piscsi_dev *d = &devs[piscsi_cur_drive];
- switch (addr & 0xFFFF) {
+ uint16_t cmd = (addr & 0xFFFF);
+
+ switch (cmd) {
+ case PISCSI_CMD_READ64:
case PISCSI_CMD_READ:
+ case PISCSI_CMD_READBYTES:
+ d = &devs[val];
if (d->fd == -1) {
- printf ("[PISCSI] BUG: Attempted read from unmapped drive %d.\n", piscsi_cur_drive);
+ DEBUG("[!!!PISCSI] BUG: Attempted read from unmapped drive %d.\n", val);
break;
}
- printf("[PISCSI] %d byte READ from block %d to address %.8X\n", piscsi_u32[1], piscsi_u32[0], piscsi_u32[2]);
- r = get_mapped_item_by_address(cfg, piscsi_u32[2]);
- if (r != -1 && cfg->map_type[r] == MAPTYPE_RAM) {
- printf("[PISCSI] \"DMA\" Read goes to mapped range %d.\n", r);
- lseek(d->fd, (piscsi_u32[0] * 512), SEEK_SET);
- read(d->fd, cfg->map_data[r] + piscsi_u32[2] - cfg->map_offset[r], piscsi_u32[1]);
+
+ if (cmd == PISCSI_CMD_READBYTES) {
+ DEBUG("[PISCSI-%d] %d byte READBYTES from block %d to address %.8X\n", val, piscsi_u32[1], piscsi_u32[0] / d->block_size, piscsi_u32[2]);
+ uint32_t src = piscsi_u32[0];
+ d->lba = (src / d->block_size);
+ lseek(d->fd, src, SEEK_SET);
+ }
+ else if (cmd == PISCSI_CMD_READ) {
+ DEBUG("[PISCSI-%d] %d byte READ from block %d to address %.8X\n", val, piscsi_u32[1], piscsi_u32[0], piscsi_u32[2]);
+ d->lba = piscsi_u32[0];
+ lseek(d->fd, (piscsi_u32[0] * d->block_size), SEEK_SET);
+ }
+ else {
+ uint64_t src = piscsi_u32[3];
+ src = (src << 32) | piscsi_u32[0];
+ DEBUG("[PISCSI-%d] %d byte READ64 from block %lld to address %.8X\n", val, piscsi_u32[1], (src / d->block_size), piscsi_u32[2]);
+ d->lba = (src / d->block_size);
+ lseek64(d->fd, src, SEEK_SET);
+ }
+
+ map = get_mapped_data_pointer_by_address(cfg, piscsi_u32[2]);
+ if (map) {
+ DEBUG_TRIVIAL("[PISCSI-%d] \"DMA\" Read goes to mapped range %d.\n", val, r);
+ read(d->fd, map, piscsi_u32[1]);
}
else {
- printf("[PISCSI] No mapped range found for read.\n");
+ DEBUG_TRIVIAL("[PISCSI-%d] No mapped range found for read.\n", val);
uint8_t c = 0;
- lseek(d->fd, (piscsi_u32[0] * 512), SEEK_SET);
- for (int i = 0; i < piscsi_u32[1]; i++) {
+ for (uint32_t i = 0; i < piscsi_u32[1]; i++) {
read(d->fd, &c, 1);
-#ifndef FAKESTORM
- write8(piscsi_u32[2] + i, (uint32_t)c);
-#endif
+ m68k_write_memory_8(piscsi_u32[2] + i, (uint32_t)c);
}
}
break;
+ case PISCSI_CMD_WRITE64:
case PISCSI_CMD_WRITE:
+ case PISCSI_CMD_WRITEBYTES:
+ d = &devs[val];
if (d->fd == -1) {
- printf ("[PISCSI] BUG: Attempted write to unmapped drive %d.\n", piscsi_cur_drive);
+ DEBUG ("[PISCSI] BUG: Attempted write to unmapped drive %d.\n", val);
break;
}
- printf("[PISCSI] %d byte WRITE to block %d to address %.8X\n", piscsi_u32[1], piscsi_u32[0], piscsi_u32[2]);
- r = get_mapped_item_by_address(cfg, piscsi_u32[2]);
- if (r != -1) {
- printf("[PISCSI] \"DMA\" Write comes from mapped range %d.\n", r);
- lseek(d->fd, (piscsi_u32[0] * 512), SEEK_SET);
- write(d->fd, cfg->map_data[r] + piscsi_u32[2] - cfg->map_offset[r], piscsi_u32[1]);
+
+ if (cmd == PISCSI_CMD_WRITEBYTES) {
+ DEBUG("[PISCSI-%d] %d byte WRITEBYTES to block %d from address %.8X\n", val, piscsi_u32[1], piscsi_u32[0] / d->block_size, piscsi_u32[2]);
+ uint32_t src = piscsi_u32[0];
+ d->lba = (src / d->block_size);
+ lseek(d->fd, src, SEEK_SET);
+ }
+ else if (cmd == PISCSI_CMD_WRITE) {
+ DEBUG("[PISCSI-%d] %d byte WRITE to block %d from address %.8X\n", val, piscsi_u32[1], piscsi_u32[0], piscsi_u32[2]);
+ d->lba = piscsi_u32[0];
+ lseek(d->fd, (piscsi_u32[0] * d->block_size), SEEK_SET);
+ }
+ else {
+ uint64_t src = piscsi_u32[3];
+ src = (src << 32) | piscsi_u32[0];
+ DEBUG("[PISCSI-%d] %d byte WRITE64 to block %lld from address %.8X\n", val, piscsi_u32[1], (src / d->block_size), piscsi_u32[2]);
+ d->lba = (src / d->block_size);
+ lseek64(d->fd, src, SEEK_SET);
+ }
+
+ map = get_mapped_data_pointer_by_address(cfg, piscsi_u32[2]);
+ if (map) {
+ DEBUG_TRIVIAL("[PISCSI-%d] \"DMA\" Write comes from mapped range %d.\n", val, r);
+ write(d->fd, map, piscsi_u32[1]);
}
else {
- printf("[PISCSI] No mapped range found for write.\n");
+ DEBUG_TRIVIAL("[PISCSI-%d] No mapped range found for write.\n", val);
uint8_t c = 0;
- lseek(d->fd, (piscsi_u32[0] * 512), SEEK_SET);
- for (int i = 0; i < piscsi_u32[1]; i++) {
-#ifndef FAKESTORM
- c = read8(piscsi_u32[2] + i);
-#endif
+ for (uint32_t i = 0; i < piscsi_u32[1]; i++) {
+ c = m68k_read_memory_8(piscsi_u32[2] + i);
write(d->fd, &c, 1);
}
}
break;
- case PISCSI_CMD_ADDR1:
- piscsi_u32[0] = val;
- printf("[PISCSI] Write to ADDR1: %.8x\n", piscsi_u32[0]);
+ case PISCSI_CMD_ADDR1: case PISCSI_CMD_ADDR2: case PISCSI_CMD_ADDR3: case PISCSI_CMD_ADDR4: {
+ int i = ((addr & 0xFFFF) - PISCSI_CMD_ADDR1) / 4;
+ piscsi_u32[i] = val;
break;
- case PISCSI_CMD_ADDR2:
- piscsi_u32[1] = val;
- printf("[PISCSI] Write to ADDR2: %.8x\n", piscsi_u32[1]);
+ }
+ case PISCSI_CMD_DRVNUM:
+ if (val % 10 != 0) {
+ piscsi_cur_drive = 255;
+ }
+ else
+ piscsi_cur_drive = val / 10;
+ if (piscsi_cur_drive > NUM_UNITS) {
+ piscsi_cur_drive = 255;
+ }
+ if (piscsi_cur_drive != 255) {
+ DEBUG("[PISCSI] (%s) Drive number set to %d (%d)\n", op_type_names[type], piscsi_cur_drive, val);
+ }
break;
- case PISCSI_CMD_ADDR3:
- piscsi_u32[2] = val;
- printf("[PISCSI] Write to ADDR3: %.8x\n", piscsi_u32[2]);
+ case PISCSI_CMD_DRVNUMX:
+ piscsi_cur_drive = val;
+ DEBUG("[PISCSI] DRVNUMX: %d.\n", val);
break;
- case PISCSI_CMD_ADDR4:
- piscsi_u32[3] = val;
- printf("[PISCSI] Write to ADDR4: %.8x\n", piscsi_u32[3]);
+ case PISCSI_CMD_DEBUGME:
+ piscsi_debugme(val);
break;
- case PISCSI_CMD_DRVNUM:
- if (val != 0) {
- if (val < 10) // Kludge for GiggleDisk
- piscsi_cur_drive = val;
- else if (val >= 10 && val % 10 != 0)
- piscsi_cur_drive = 255;
- else
- piscsi_cur_drive = val / 10;
+ case PISCSI_CMD_DRIVER:
+ DEBUG("[PISCSI] Driver copy/patch called, destination address %.8X.\n", val);
+ r = get_mapped_item_by_address(cfg, val);
+ if (r != -1) {
+ uint32_t addr = val - cfg->map_offset[r];
+ uint8_t *dst_data = cfg->map_data[r];
+ uint8_t cur_partition = 0;
+ memcpy(dst_data + addr, piscsi_rom_ptr + PISCSI_DRIVER_OFFSET, 0x4000 - PISCSI_DRIVER_OFFSET);
+
+ piscsi_hinfo.base_offset = val;
+
+ reloc_hunks(piscsi_hreloc, dst_data + addr, &piscsi_hinfo);
+
+ #define PUTNODELONG(val) *(uint32_t *)&dst_data[p_offs] = htobe32(val); p_offs += 4;
+ #define PUTNODELONGBE(val) *(uint32_t *)&dst_data[p_offs] = val; p_offs += 4;
+
+ for (int i = 0; i < 128; i++) {
+ rom_partitions[i] = 0;
+ rom_partition_prio[i] = 0;
+ rom_partition_dostype[i] = 0;
+ }
+ rom_cur_partition = 0;
+
+ uint32_t data_addr = addr + 0x3F00;
+ sprintf((char *)dst_data + data_addr, "pi-scsi.device");
+ uint32_t addr2 = addr + 0x4000;
+ for (int i = 0; i < NUM_UNITS; i++) {
+ if (devs[i].fd != -1)
+ piscsi_find_partitions(&devs[i]);
+ else
+ goto skip_disk;
+
+ if (devs[i].num_partitions) {
+ uint32_t p_offs = addr2;
+ DEBUG("[PISCSI] Adding %d partitions for unit %d\n", devs[i].num_partitions, i);
+ for (uint32_t j = 0; j < devs[i].num_partitions; j++) {
+ DEBUG("Partition %d: %s\n", j, devs[i].pb[j]->pb_DriveName + 1);
+ sprintf((char *)dst_data + p_offs, "%s", devs[i].pb[j]->pb_DriveName + 1);
+ p_offs += 0x20;
+ PUTNODELONG(addr2 + cfg->map_offset[r]);
+ PUTNODELONG(data_addr + cfg->map_offset[r]);
+ PUTNODELONG((i * 10));
+ PUTNODELONG(0);
+ uint32_t nodesize = (be32toh(devs[i].pb[j]->pb_Environment[0]) + 1) * 4;
+ memcpy(dst_data + p_offs, devs[i].pb[j]->pb_Environment, nodesize);
+
+ struct pihd_dosnode_data *dat = (struct pihd_dosnode_data *)(&dst_data[addr2+0x20]);
+
+ if (BE(devs[i].pb[j]->pb_Flags) & 0x01) {
+ DEBUG("Partition is bootable.\n");
+ rom_partition_prio[cur_partition] = 0;
+ dat->priority = 0;
+ }
+ else {
+ DEBUG("Partition is not bootable.\n");
+ rom_partition_prio[cur_partition] = -128;
+ dat->priority = htobe32(-128);
+ }
+
+ DEBUG("DOSNode Data:\n");
+ DEBUG("Name: %s Device: %s\n", dst_data + addr2, dst_data + data_addr);
+ DEBUG("Unit: %d Flags: %d Pad1: %d\n", BE(dat->unit), BE(dat->flags), BE(dat->pad1));
+ DEBUG("Node len: %d Block len: %d\n", BE(dat->node_len) * 4, BE(dat->block_len) * 4);
+ DEBUG("H: %d SPB: %d BPS: %d\n", BE(dat->surf), BE(dat->secs_per_block), BE(dat->blocks_per_track));
+ DEBUG("Reserved: %d Prealloc: %d\n", BE(dat->reserved_blocks), BE(dat->pad2));
+ DEBUG("Interleaved: %d Buffers: %d Memtype: %d\n", BE(dat->interleave), BE(dat->buffers), BE(dat->mem_type));
+ DEBUG("Lowcyl: %d Highcyl: %d Prio: %d\n", BE(dat->lowcyl), BE(dat->highcyl), BE(dat->priority));
+ DEBUG("Maxtransfer: %.8X Mask: %.8X\n", BE(dat->maxtransfer), BE(dat->transfer_mask));
+ DEBUG("DOSType: %.8X\n", BE(dat->dostype));
+
+ rom_partitions[cur_partition] = addr2 + 0x20 + cfg->map_offset[r];
+ rom_partition_dostype[cur_partition] = dat->dostype;
+ cur_partition++;
+ addr2 += 0x100;
+ p_offs = addr2;
+ }
+ }
+skip_disk:;
+ }
}
- else
- piscsi_cur_drive = val;
- printf("[PISCSI] (%s) Drive number set to %d (%d)\n", op_type_names[type], piscsi_cur_drive, val);
+
+ break;
+ case PISCSI_CMD_NEXTPART:
+ DEBUG("[PISCSI] Switch partition %d -> %d\n", rom_cur_partition, rom_cur_partition + 1);
+ rom_cur_partition++;
+ break;
+ case PISCSI_CMD_NEXTFS:
+ DEBUG("[PISCSI] Switch file file system %d -> %d\n", rom_cur_fs, rom_cur_fs + 1);
+ rom_cur_fs++;
+ break;
+ case PISCSI_CMD_COPYFS:
+ DEBUG("[PISCSI] Copy file system %d to %.8X and reloc.\n", rom_cur_fs, piscsi_u32[2]);
+ r = get_mapped_item_by_address(cfg, piscsi_u32[2]);
+ if (r != -1) {
+ uint32_t addr = piscsi_u32[2] - cfg->map_offset[r];
+ memcpy(cfg->map_data[r] + addr, filesystems[rom_cur_fs].binary_data, filesystems[rom_cur_fs].h_info.byte_size);
+ filesystems[rom_cur_fs].h_info.base_offset = piscsi_u32[2];
+ reloc_hunks(filesystems[rom_cur_fs].relocs, cfg->map_data[r] + addr, &filesystems[rom_cur_fs].h_info);
+ filesystems[rom_cur_fs].handler = piscsi_u32[2];
+ }
+ break;
+ case PISCSI_CMD_SETFSH: {
+ int i = 0;
+ DEBUG("[PISCSI] Set handler for partition %d (DeviceNode: %.8X)\n", rom_cur_partition, val);
+ r = get_mapped_item_by_address(cfg, val);
+ if (r != -1) {
+ uint32_t addr = val - cfg->map_offset[r];
+ struct DeviceNode *node = (struct DeviceNode *)(cfg->map_data[r] + addr);
+ char *dosID = (char *)&rom_partition_dostype[rom_cur_partition];
+
+ DEBUG("[PISCSI] Partition DOSType is %c%c%c/%d\n", dosID[0], dosID[1], dosID[2], dosID[3]);
+ for (i = 0; i < piscsi_num_fs; i++) {
+ if (rom_partition_dostype[rom_cur_partition] == filesystems[i].FS_ID) {
+ node->dn_SegList = htobe32((((filesystems[i].handler) + filesystems[i].h_info.header_size) >> 2));
+ node->dn_GlobalVec = 0xFFFFFFFF;
+ goto fs_found;
+ }
+ }
+ node->dn_GlobalVec = 0xFFFFFFFF;
+ node->dn_SegList = 0;
+ printf("[!!!PISCSI] Found no handler for file system %c%c%c/%d\n", dosID[0], dosID[1], dosID[2], dosID[3]);
+fs_found:;
+ DEBUG("[FS-HANDLER] Next: %d Type: %.8X\n", BE(node->dn_Next), BE(node->dn_Type));
+ DEBUG("[FS-HANDLER] Task: %d Lock: %d\n", BE(node->dn_Task), BE(node->dn_Lock));
+ DEBUG("[FS-HANDLER] Handler: %d Stacksize: %d\n", BE((uint32_t)node->dn_Handler), BE(node->dn_StackSize));
+ DEBUG("[FS-HANDLER] Priority: %d Startup: %d (%.8X)\n", BE((uint32_t)node->dn_Priority), BE(node->dn_Startup), BE(node->dn_Startup));
+ DEBUG("[FS-HANDLER] SegList: %.8X GlobalVec: %d\n", BE((uint32_t)node->dn_SegList), BE(node->dn_GlobalVec));
+ DEBUG("[PISCSI] Handler for partition %.8X set to %.8X (%.8X).\n", BE((uint32_t)node->dn_Name), filesystems[i].FS_ID, filesystems[i].handler);
+ }
+ break;
+ }
+ case PISCSI_CMD_LOADFS: {
+ DEBUG("[PISCSI] Attempt to load file system for partition %d from disk.\n", rom_cur_partition);
+ r = get_mapped_item_by_address(cfg, val);
+ if (r != -1) {
+ char *dosID = (char *)&rom_partition_dostype[rom_cur_partition];
+ filesystems[piscsi_num_fs].binary_data = NULL;
+ filesystems[piscsi_num_fs].fhb = NULL;
+ filesystems[piscsi_num_fs].FS_ID = rom_partition_dostype[rom_cur_partition];
+ filesystems[piscsi_num_fs].handler = 0;
+ if (load_fs(&filesystems[piscsi_num_fs], dosID) != -1) {
+ printf("[FSHD-Late] Loaded file system %c%c%c/%d from fs storage.\n", dosID[0], dosID[1], dosID[2], dosID[3]);
+ piscsi_u32[3] = piscsi_num_fs;
+ rom_cur_fs = piscsi_num_fs;
+ piscsi_num_fs++;
+ } else {
+ printf("[FSHD-Late] Failed to load file system %c%c%c/%d from fs storage.\n", dosID[0], dosID[1], dosID[2], dosID[3]);
+ piscsi_u32[3] = 0xFFFFFFFF;
+ }
+ }
+ break;
+ }
+ case PISCSI_DBG_VAL1: case PISCSI_DBG_VAL2: case PISCSI_DBG_VAL3: case PISCSI_DBG_VAL4:
+ case PISCSI_DBG_VAL5: case PISCSI_DBG_VAL6: case PISCSI_DBG_VAL7: case PISCSI_DBG_VAL8: {
+ int i = ((addr & 0xFFFF) - PISCSI_DBG_VAL1) / 4;
+ piscsi_dbg[i] = val;
+ break;
+ }
+ case PISCSI_DBG_MSG:
+ print_piscsi_debug_message(val);
break;
default:
- printf("[PISCSI] Unhandled %s register write to %.8X: %d\n", op_type_names[type], addr, val);
+ DEBUG("[!!!PISCSI] WARN: Unhandled %s register write to %.8X: %d\n", op_type_names[type], addr, val);
break;
}
}
-uint8_t piscsi_diag_area[] = {
- 0x90,
- 0x00,
- 0x00, 0x40,
- 0x2C, 0x00,
- 0x2C, 0x00,
- 0x00, 0x00,
- 0x00, 0x00,
- 0x00, 0x00,
-};
-
-uint8_t fastata_diag_area[] = {
- 0x90,
- 0x00,
- 0x00, 0x10,
- 0x9e, 0x08,
- 0x00, 0x00,
- 0x00, 0x00,
- 0x00, 0x02,
- 0x00, 0x00,
-};
-
-uint8_t piscsi_diag_read;
-
#define PIB 0x00
uint32_t handle_piscsi_read(uint32_t addr, uint8_t type) {
if (type) {}
- uint8_t *diag_area = piscsi_diag_area;
if ((addr & 0xFFFF) >= PISCSI_CMD_ROM) {
uint32_t romoffs = (addr & 0xFFFF) - PISCSI_CMD_ROM;
- if (romoffs < 14 && !piscsi_diag_read) {
- printf("[PISCSI] %s read from DiagArea @$%.4X: ", op_type_names[type], romoffs);
- uint32_t v = 0;
- switch (type) {
- case OP_TYPE_BYTE:
- v = diag_area[romoffs];
- printf("%.2X\n", v);
- break;
- case OP_TYPE_WORD:
- v = *((uint16_t *)&diag_area[romoffs]);
- printf("%.4X\n", v);
- break;
- case OP_TYPE_LONGWORD:
- v = (*((uint16_t *)&diag_area[romoffs]) << 16) | *((uint16_t *)&diag_area[romoffs + 2]);
- //v = *((uint32_t *)&diag_area[romoffs]);
- printf("%.8X\n", v);
- break;
- }
- if (romoffs == 0x0D)
- piscsi_diag_read = 1;
- return v;
- }
if (romoffs < (piscsi_rom_size + PIB)) {
- printf("[PISCSI] %s read from Boot ROM @$%.4X (%.8X): ", op_type_names[type], romoffs, addr);
+ //DEBUG("[PISCSI] %s read from Boot ROM @$%.4X (%.8X): ", op_type_names[type], romoffs, addr);
uint32_t v = 0;
switch (type) {
case OP_TYPE_BYTE:
v = piscsi_rom_ptr[romoffs - PIB];
- printf("%.2X\n", v);
+ //DEBUG("%.2X\n", v);
break;
case OP_TYPE_WORD:
v = be16toh(*((uint16_t *)&piscsi_rom_ptr[romoffs - PIB]));
- printf("%.4X\n", v);
+ //DEBUG("%.4X\n", v);
break;
case OP_TYPE_LONGWORD:
- //v = (*((uint16_t *)&diag_area[romoffs - 14]) << 16) | *((uint16_t *)&diag_area[romoffs - 12]);
- v = be32toh(*((uint32_t *)&diag_area[romoffs - PIB]));
- printf("%.8X\n", v);
+ v = be32toh(*((uint32_t *)&piscsi_rom_ptr[romoffs - PIB]));
+ //DEBUG("%.8X\n", v);
break;
}
return v;
}
return 0;
}
-
+
switch (addr & 0xFFFF) {
+ case PISCSI_CMD_ADDR1: case PISCSI_CMD_ADDR2: case PISCSI_CMD_ADDR3: case PISCSI_CMD_ADDR4: {
+ int i = ((addr & 0xFFFF) - PISCSI_CMD_ADDR1) / 4;
+ return piscsi_u32[i];
+ break;
+ }
case PISCSI_CMD_DRVTYPE:
if (devs[piscsi_cur_drive].fd == -1) {
- printf("[PISCSI] %s Read from DRVTYPE %d, drive not attached.\n", op_type_names[type], piscsi_cur_drive);
+ DEBUG("[PISCSI] %s Read from DRVTYPE %d, drive not attached.\n", op_type_names[type], piscsi_cur_drive);
return 0;
}
- printf("[PISCSI] %s Read from DRVTYPE %d, drive attached.\n", op_type_names[type], piscsi_cur_drive);
+ DEBUG("[PISCSI] %s Read from DRVTYPE %d, drive attached.\n", op_type_names[type], piscsi_cur_drive);
return 1;
break;
case PISCSI_CMD_DRVNUM:
return piscsi_cur_drive;
break;
case PISCSI_CMD_CYLS:
- printf("[PISCSI] %s Read from CYLS %d: %d\n", op_type_names[type], piscsi_cur_drive, devs[piscsi_cur_drive].c);
+ DEBUG("[PISCSI] %s Read from CYLS %d: %d\n", op_type_names[type], piscsi_cur_drive, devs[piscsi_cur_drive].c);
return devs[piscsi_cur_drive].c;
break;
case PISCSI_CMD_HEADS:
- printf("[PISCSI] %s Read from HEADS %d: %d\n", op_type_names[type], piscsi_cur_drive, devs[piscsi_cur_drive].h);
+ DEBUG("[PISCSI] %s Read from HEADS %d: %d\n", op_type_names[type], piscsi_cur_drive, devs[piscsi_cur_drive].h);
return devs[piscsi_cur_drive].h;
break;
case PISCSI_CMD_SECS:
- printf("[PISCSI] %s Read from SECS %d: %d\n", op_type_names[type], piscsi_cur_drive, devs[piscsi_cur_drive].s);
+ DEBUG("[PISCSI] %s Read from SECS %d: %d\n", op_type_names[type], piscsi_cur_drive, devs[piscsi_cur_drive].s);
return devs[piscsi_cur_drive].s;
break;
case PISCSI_CMD_BLOCKS: {
- uint32_t blox = devs[piscsi_cur_drive].fs / 512;
- printf("[PISCSI] %s Read from BLOCKS %d: %d\n", op_type_names[type], piscsi_cur_drive, (uint32_t)(devs[piscsi_cur_drive].fs / 512));
- printf("fs: %lld (%d)\n", devs[piscsi_cur_drive].fs, blox);
+ uint32_t blox = devs[piscsi_cur_drive].fs / devs[piscsi_cur_drive].block_size;
+ DEBUG("[PISCSI] %s Read from BLOCKS %d: %d\n", op_type_names[type], piscsi_cur_drive, (uint32_t)(devs[piscsi_cur_drive].fs / devs[piscsi_cur_drive].block_size));
+ DEBUG("fs: %lld (%d)\n", devs[piscsi_cur_drive].fs, blox);
return blox;
break;
}
+ case PISCSI_CMD_GETPART: {
+ DEBUG("[PISCSI] Get ROM partition %d offset: %.8X\n", rom_cur_partition, rom_partitions[rom_cur_partition]);
+ return rom_partitions[rom_cur_partition];
+ break;
+ }
+ case PISCSI_CMD_GETPRIO:
+ DEBUG("[PISCSI] Get partition %d boot priority: %d\n", rom_cur_partition, rom_partition_prio[rom_cur_partition]);
+ return rom_partition_prio[rom_cur_partition];
+ break;
+ case PISCSI_CMD_CHECKFS:
+ DEBUG("[PISCSI] Get current loaded file system: %.8X\n", filesystems[rom_cur_fs].FS_ID);
+ return filesystems[rom_cur_fs].FS_ID;
+ case PISCSI_CMD_FSSIZE:
+ DEBUG("[PISCSI] Get alloc size of loaded file system: %d\n", filesystems[rom_cur_fs].h_info.alloc_size);
+ return filesystems[rom_cur_fs].h_info.alloc_size;
+ case PISCSI_CMD_BLOCKSIZE:
+ DEBUG("[PISCSI] Get block size of drive %d: %d\n", piscsi_cur_drive, devs[piscsi_cur_drive].block_size);
+ return devs[piscsi_cur_drive].block_size;
+ case PISCSI_CMD_GET_FS_INFO: {
+ int i = 0;
+ uint32_t val = piscsi_u32[1];
+ int32_t r = get_mapped_item_by_address(cfg, val);
+ if (r != -1) {
+#ifdef DEBUG_PISCSI
+ uint32_t addr = val - cfg->map_offset[r];
+ char *dosID = (char *)&rom_partition_dostype[rom_cur_partition];
+ DEBUG("[PISCSI-GET-FS-INFO] Partition DOSType is %c%c%c/%d\n", dosID[0], dosID[1], dosID[2], dosID[3]);
+#endif
+ for (i = 0; i < piscsi_num_fs; i++) {
+ if (rom_partition_dostype[rom_cur_partition] == filesystems[i].FS_ID) {
+ return 0;
+ }
+ }
+ }
+ return 1;
+ }
default:
- printf("[PISCSI] Unhandled %s register read from %.8X\n", op_type_names[type], addr);
+ DEBUG("[!!!PISCSI] WARN: Unhandled %s register read from %.8X\n", op_type_names[type], addr);
break;
}
return 0;
}
-
-void piscsi_block_op(uint8_t type, uint8_t num, uint32_t dest, uint32_t len) {
- if (type || num || dest || len) {}
-}
projects / pistorm / blobdiff