| 74 |
|
#include "xpram.h" |
| 75 |
|
#include "timer.h" |
| 76 |
|
#include "adb.h" |
| 77 |
– |
#include "sony.h" |
| 78 |
– |
#include "disk.h" |
| 79 |
– |
#include "cdrom.h" |
| 80 |
– |
#include "scsi.h" |
| 77 |
|
#include "video.h" |
| 82 |
– |
#include "audio.h" |
| 83 |
– |
#include "ether.h" |
| 84 |
– |
#include "serial.h" |
| 85 |
– |
#include "clip.h" |
| 86 |
– |
#include "extfs.h" |
| 78 |
|
#include "sys.h" |
| 79 |
|
#include "macos_util.h" |
| 80 |
|
#include "rom_patches.h" |
| 81 |
|
#include "user_strings.h" |
| 91 |
– |
#include "thunks.h" |
| 82 |
|
|
| 83 |
|
#include "sheep_driver.h" |
| 84 |
|
|
| 209 |
|
uint32 PVR; // Theoretical PVR |
| 210 |
|
int64 CPUClockSpeed; // Processor clock speed (Hz) |
| 211 |
|
int64 BusClockSpeed; // Bus clock speed (Hz) |
| 212 |
+ |
int64 TimebaseSpeed; // Timebase clock speed (Hz) |
| 213 |
|
system_info SysInfo; // System information |
| 214 |
+ |
uint8 *RAMBaseHost; // Base address of Mac RAM (host address space) |
| 215 |
+ |
uint8 *ROMBaseHost; // Base address of Mac ROM (host address space) |
| 216 |
|
|
| 217 |
|
static void *sig_stack = NULL; // Stack for signal handlers |
| 218 |
|
static void *extra_stack = NULL; // Stack for SIGSEGV inside interrupt handler |
| 219 |
|
uint32 SheepMem::page_size; // Size of a native page |
| 220 |
|
uintptr SheepMem::zero_page = 0; // Address of ro page filled in with zeros |
| 221 |
|
uintptr SheepMem::base; // Address of SheepShaver data |
| 222 |
< |
uintptr SheepMem::top; // Top of SheepShaver data (stack like storage) |
| 222 |
> |
uintptr SheepMem::proc; // Bottom address of SheepShave procedures |
| 223 |
> |
uintptr SheepMem::data; // Top of SheepShaver data (stack like storage) |
| 224 |
|
static area_id SheepMemArea; // SheepShaver data area ID |
| 225 |
|
|
| 226 |
|
|
| 293 |
|
} |
| 294 |
|
CPUClockSpeed = SysInfo.cpu_clock_speed; |
| 295 |
|
BusClockSpeed = SysInfo.bus_clock_speed; |
| 296 |
+ |
TimebaseSpeed = BusClockSpeed / 4; |
| 297 |
|
|
| 298 |
|
// Delete old areas |
| 299 |
|
area_id old_kernel_area = find_area(KERNEL_AREA_NAME); |
| 361 |
|
void SheepShaver::StartEmulator(void) |
| 362 |
|
{ |
| 363 |
|
char str[256]; |
| 369 |
– |
int16 i16; |
| 364 |
|
|
| 365 |
|
// Open sheep driver and remap low memory |
| 366 |
|
sheep_fd = open("/dev/sheep", 0); |
| 424 |
|
PostMessage(B_QUIT_REQUESTED); |
| 425 |
|
return; |
| 426 |
|
} |
| 427 |
< |
D(bug("RAM area %ld at %p\n", ram_area, RAMBase)); |
| 427 |
> |
RAMBaseHost = (uint8 *)RAMBase |
| 428 |
> |
D(bug("RAM area %ld at %p\n", ram_area, RAMBaseHost)); |
| 429 |
|
|
| 430 |
|
// Create area and load Mac ROM |
| 431 |
|
try { |
| 470 |
|
} |
| 471 |
|
D(bug("DR Emulator area %ld at %p\n", dr_emulator_area, DREmulatorAddr)); |
| 472 |
|
|
| 473 |
< |
// Load NVRAM |
| 474 |
< |
XPRAMInit(); |
| 480 |
< |
|
| 481 |
< |
// Set boot volume |
| 482 |
< |
i16 = PrefsFindInt32("bootdrive"); |
| 483 |
< |
XPRAM[0x1378] = i16 >> 8; |
| 484 |
< |
XPRAM[0x1379] = i16 & 0xff; |
| 485 |
< |
i16 = PrefsFindInt32("bootdriver"); |
| 486 |
< |
XPRAM[0x137a] = i16 >> 8; |
| 487 |
< |
XPRAM[0x137b] = i16 & 0xff; |
| 488 |
< |
|
| 489 |
< |
// Create BootGlobs at top of Mac memory |
| 490 |
< |
memset((void *)(RAMBase + RAMSize - 4096), 0, 4096); |
| 491 |
< |
BootGlobsAddr = RAMBase + RAMSize - 0x1c; |
| 492 |
< |
uint32 *boot_globs = (uint32 *)BootGlobsAddr; |
| 493 |
< |
boot_globs[-5] = htonl(RAMBase + RAMSize); // MemTop |
| 494 |
< |
boot_globs[0] = htonl(RAMBase); // First RAM bank |
| 495 |
< |
boot_globs[1] = htonl(RAMSize); |
| 496 |
< |
boot_globs[2] = htonl((uint32)-1); // End of bank table |
| 497 |
< |
|
| 498 |
< |
// Init thunks |
| 499 |
< |
if (!InitThunks()) { |
| 500 |
< |
PostMessage(B_QUIT_REQUESTED); |
| 501 |
< |
return; |
| 502 |
< |
} |
| 503 |
< |
|
| 504 |
< |
// Init drivers |
| 505 |
< |
SonyInit(); |
| 506 |
< |
DiskInit(); |
| 507 |
< |
CDROMInit(); |
| 508 |
< |
SCSIInit(); |
| 509 |
< |
|
| 510 |
< |
// Init external file system |
| 511 |
< |
ExtFSInit(); |
| 512 |
< |
|
| 513 |
< |
// Init audio |
| 514 |
< |
AudioInit(); |
| 515 |
< |
|
| 516 |
< |
// Init network |
| 517 |
< |
EtherInit(); |
| 518 |
< |
|
| 519 |
< |
// Init serial ports |
| 520 |
< |
SerialInit(); |
| 521 |
< |
|
| 522 |
< |
// Init Time Manager |
| 523 |
< |
TimerInit(); |
| 524 |
< |
|
| 525 |
< |
// Init clipboard |
| 526 |
< |
ClipInit(); |
| 527 |
< |
|
| 528 |
< |
// Init video |
| 529 |
< |
if (!VideoInit()) { |
| 530 |
< |
PostMessage(B_QUIT_REQUESTED); |
| 531 |
< |
return; |
| 532 |
< |
} |
| 533 |
< |
|
| 534 |
< |
// Install ROM patches |
| 535 |
< |
if (!PatchROM()) { |
| 536 |
< |
ErrorAlert(GetString(STR_UNSUPPORTED_ROM_TYPE_ERR)); |
| 473 |
> |
// Initialize everything |
| 474 |
> |
if (!InitAll()) { |
| 475 |
|
PostMessage(B_QUIT_REQUESTED); |
| 476 |
|
return; |
| 477 |
|
} |
| 478 |
+ |
D(bug("Initialization complete\n")); |
| 479 |
|
|
| 480 |
|
// Clear caches (as we loaded and patched code) and write protect ROM |
| 481 |
|
#if !EMULATED_PPC |
| 482 |
< |
clear_caches((void *)ROM_BASE, ROM_AREA_SIZE, B_INVALIDATE_ICACHE | B_FLUSH_DCACHE); |
| 482 |
> |
clear_caches(ROMBaseHost, ROM_AREA_SIZE, B_INVALIDATE_ICACHE | B_FLUSH_DCACHE); |
| 483 |
|
#endif |
| 484 |
|
set_area_protection(rom_area, B_READ_AREA); |
| 485 |
|
|
| 547 |
– |
// Initialize Kernel Data |
| 548 |
– |
memset(kernel_data, 0, sizeof(KernelData)); |
| 549 |
– |
if (ROMType == ROMTYPE_NEWWORLD) { |
| 550 |
– |
static uint32 of_dev_tree[4] = {0, 0, 0, 0}; |
| 551 |
– |
static uint8 vector_lookup_tbl[128]; |
| 552 |
– |
static uint8 vector_mask_tbl[64]; |
| 553 |
– |
memset((uint8 *)kernel_data + 0xb80, 0x3d, 0x80); |
| 554 |
– |
memset(vector_lookup_tbl, 0, 128); |
| 555 |
– |
memset(vector_mask_tbl, 0, 64); |
| 556 |
– |
kernel_data->v[0xb80 >> 2] = htonl(ROM_BASE); |
| 557 |
– |
kernel_data->v[0xb84 >> 2] = htonl((uint32)of_dev_tree); // OF device tree base |
| 558 |
– |
kernel_data->v[0xb90 >> 2] = htonl((uint32)vector_lookup_tbl); |
| 559 |
– |
kernel_data->v[0xb94 >> 2] = htonl((uint32)vector_mask_tbl); |
| 560 |
– |
kernel_data->v[0xb98 >> 2] = htonl(ROM_BASE); // OpenPIC base |
| 561 |
– |
kernel_data->v[0xbb0 >> 2] = htonl(0); // ADB base |
| 562 |
– |
kernel_data->v[0xc20 >> 2] = htonl(RAMSize); |
| 563 |
– |
kernel_data->v[0xc24 >> 2] = htonl(RAMSize); |
| 564 |
– |
kernel_data->v[0xc30 >> 2] = htonl(RAMSize); |
| 565 |
– |
kernel_data->v[0xc34 >> 2] = htonl(RAMSize); |
| 566 |
– |
kernel_data->v[0xc38 >> 2] = htonl(0x00010020); |
| 567 |
– |
kernel_data->v[0xc3c >> 2] = htonl(0x00200001); |
| 568 |
– |
kernel_data->v[0xc40 >> 2] = htonl(0x00010000); |
| 569 |
– |
kernel_data->v[0xc50 >> 2] = htonl(RAMBase); |
| 570 |
– |
kernel_data->v[0xc54 >> 2] = htonl(RAMSize); |
| 571 |
– |
kernel_data->v[0xf60 >> 2] = htonl(PVR); |
| 572 |
– |
kernel_data->v[0xf64 >> 2] = htonl(CPUClockSpeed); |
| 573 |
– |
kernel_data->v[0xf68 >> 2] = htonl(BusClockSpeed); |
| 574 |
– |
kernel_data->v[0xf6c >> 2] = htonl(CPUClockSpeed); |
| 575 |
– |
} else { |
| 576 |
– |
kernel_data->v[0xc80 >> 2] = htonl(RAMSize); |
| 577 |
– |
kernel_data->v[0xc84 >> 2] = htonl(RAMSize); |
| 578 |
– |
kernel_data->v[0xc90 >> 2] = htonl(RAMSize); |
| 579 |
– |
kernel_data->v[0xc94 >> 2] = htonl(RAMSize); |
| 580 |
– |
kernel_data->v[0xc98 >> 2] = htonl(0x00010020); |
| 581 |
– |
kernel_data->v[0xc9c >> 2] = htonl(0x00200001); |
| 582 |
– |
kernel_data->v[0xca0 >> 2] = htonl(0x00010000); |
| 583 |
– |
kernel_data->v[0xcb0 >> 2] = htonl(RAMBase); |
| 584 |
– |
kernel_data->v[0xcb4 >> 2] = htonl(RAMSize); |
| 585 |
– |
kernel_data->v[0xf80 >> 2] = htonl(PVR); |
| 586 |
– |
kernel_data->v[0xf84 >> 2] = htonl(CPUClockSpeed); |
| 587 |
– |
kernel_data->v[0xf88 >> 2] = htonl(BusClockSpeed); |
| 588 |
– |
kernel_data->v[0xf8c >> 2] = htonl(CPUClockSpeed); |
| 589 |
– |
} |
| 590 |
– |
|
| 486 |
|
// Initialize extra low memory |
| 487 |
< |
D(bug("Initializing Low Memory...\n")); |
| 593 |
< |
memset(NULL, 0, 0x3000); |
| 594 |
< |
WriteMacInt32(XLM_SIGNATURE, 'Baah'); // Signature to detect SheepShaver |
| 595 |
< |
WriteMacInt32(XLM_KERNEL_DATA, (uint32)kernel_data); // For trap replacement routines |
| 487 |
> |
D(bug("Initializing extra Low Memory...\n")); |
| 488 |
|
WriteMacInt32(XLM_SHEEP_OBJ, (uint32)this); // Pointer to SheepShaver object |
| 489 |
< |
WriteMacInt32(XLM_PVR, PVR); // Theoretical PVR |
| 598 |
< |
WriteMacInt32(XLM_BUS_CLOCK, BusClockSpeed); // For DriverServicesLib patch |
| 599 |
< |
WriteMacInt16(XLM_EXEC_RETURN_OPCODE, M68K_EXEC_RETURN); // For Execute68k() (RTS from the executed 68k code will jump here and end 68k mode) |
| 600 |
< |
WriteMacInt32(XLM_ZERO_PAGE, SheepMem::ZeroPage()); // Pointer to read-only page with all bits set to 0 |
| 601 |
< |
#if !EMULATED_PPC |
| 602 |
< |
WriteMacInt32(XLM_TOC, (uint32)TOC); // TOC pointer of emulator |
| 603 |
< |
WriteMacInt32(XLM_ETHER_INIT, *(uint32 *)InitStreamModule); // DLPI ethernet driver functions |
| 604 |
< |
WriteMacInt32(XLM_ETHER_TERM, *(uint32 *)TerminateStreamModule); |
| 605 |
< |
WriteMacInt32(XLM_ETHER_OPEN, *(uint32 *)ether_open); |
| 606 |
< |
WriteMacInt32(XLM_ETHER_CLOSE, *(uint32 *)ether_close); |
| 607 |
< |
WriteMacInt32(XLM_ETHER_WPUT, *(uint32 *)ether_wput); |
| 608 |
< |
WriteMacInt32(XLM_ETHER_RSRV, *(uint32 *)ether_rsrv); |
| 609 |
< |
WriteMacInt32(XLM_VIDEO_DOIO, *(uint32 *)VideoDoDriverIO); |
| 610 |
< |
#endif |
| 611 |
< |
D(bug("Low Memory initialized\n")); |
| 489 |
> |
D(bug("Extra Low Memory initialized\n")); |
| 490 |
|
|
| 491 |
|
// Disallow quitting with Alt-Q from now on |
| 492 |
|
AllowQuitting = false; |
| 542 |
|
if (emul_thread > 0) |
| 543 |
|
wait_for_thread(emul_thread, &l); |
| 544 |
|
|
| 545 |
< |
// Save NVRAM |
| 546 |
< |
XPRAMExit(); |
| 669 |
< |
|
| 670 |
< |
// Exit clipboard |
| 671 |
< |
ClipExit(); |
| 672 |
< |
|
| 673 |
< |
// Exit Time Manager |
| 674 |
< |
TimerExit(); |
| 675 |
< |
|
| 676 |
< |
// Exit serial |
| 677 |
< |
SerialExit(); |
| 678 |
< |
|
| 679 |
< |
// Exit network |
| 680 |
< |
EtherExit(); |
| 681 |
< |
|
| 682 |
< |
// Exit audio |
| 683 |
< |
AudioExit(); |
| 684 |
< |
|
| 685 |
< |
// Exit video |
| 686 |
< |
VideoExit(); |
| 687 |
< |
|
| 688 |
< |
// Exit external file system |
| 689 |
< |
ExtFSExit(); |
| 690 |
< |
|
| 691 |
< |
// Exit drivers |
| 692 |
< |
SCSIExit(); |
| 693 |
< |
CDROMExit(); |
| 694 |
< |
DiskExit(); |
| 695 |
< |
SonyExit(); |
| 696 |
< |
|
| 697 |
< |
// Delete thunks |
| 698 |
< |
ThunksExit(); |
| 545 |
> |
// Deinitialize everything |
| 546 |
> |
ExitAll(); |
| 547 |
|
|
| 548 |
|
// Delete SheepShaver globals |
| 549 |
|
SheepMem::Exit(); |
| 600 |
|
page_size = B_PAGE_SIZE; |
| 601 |
|
|
| 602 |
|
// Create area for ROM |
| 603 |
< |
void *rom_addr = (void *)ROM_BASE; |
| 604 |
< |
rom_area = create_area(ROM_AREA_NAME, &rom_addr, B_EXACT_ADDRESS, ROM_AREA_SIZE, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA); |
| 603 |
> |
ROMBaseHost = (uint8 *)ROM_BASE; |
| 604 |
> |
rom_area = create_area(ROM_AREA_NAME, (void **)&ROMBaseHost, B_EXACT_ADDRESS, ROM_AREA_SIZE, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA); |
| 605 |
|
if (rom_area < 0) |
| 606 |
|
throw area_error(); |
| 607 |
|
D(bug("ROM area %ld at %p\n", rom_area, rom_addr)); |
| 1183 |
|
* Make code executable |
| 1184 |
|
*/ |
| 1185 |
|
|
| 1186 |
< |
void MakeExecutable(int dummy, void *start, uint32 length) |
| 1186 |
> |
void MakeExecutable(int dummy, uint32 start, uint32 length) |
| 1187 |
|
{ |
| 1188 |
< |
if (((uint32)start >= ROM_BASE) && ((uint32)start < (ROM_BASE + ROM_SIZE))) |
| 1188 |
> |
if ((start >= ROM_BASE) && (start < (ROM_BASE + ROM_SIZE))) |
| 1189 |
|
return; |
| 1190 |
< |
clear_caches(start, length, B_INVALIDATE_ICACHE | B_FLUSH_DCACHE); |
| 1343 |
< |
} |
| 1344 |
< |
|
| 1345 |
< |
|
| 1346 |
< |
/* |
| 1347 |
< |
* Patch things after system startup (gets called by disk driver accRun routine) |
| 1348 |
< |
*/ |
| 1349 |
< |
|
| 1350 |
< |
void PatchAfterStartup(void) |
| 1351 |
< |
{ |
| 1352 |
< |
ExecuteNative(NATIVE_VIDEO_INSTALL_ACCEL); |
| 1353 |
< |
InstallExtFS(); |
| 1190 |
> |
clear_caches((void *)start, length, B_INVALIDATE_ICACHE | B_FLUSH_DCACHE); |
| 1191 |
|
} |
| 1192 |
|
|
| 1193 |
|
|
| 1941 |
|
delete_area(old_sheep_area); |
| 1942 |
|
|
| 1943 |
|
// Create area for SheepShaver data |
| 1944 |
< |
base = 0x60000000; |
| 1944 |
> |
proc = base = 0x60000000; |
| 1945 |
|
SheepMemArea = create_area(SHEEP_AREA_NAME, (void **)&base, B_BASE_ADDRESS, size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA); |
| 1946 |
|
if (SheepMemArea < 0) |
| 1947 |
|
return false; |
| 1951 |
|
zero_page = const_zero_page; |
| 1952 |
|
|
| 1953 |
|
D(bug("SheepShaver area %ld at %p\n", SheepMemArea, base)); |
| 1954 |
< |
top = base + size; |
| 1954 |
> |
data = base + size; |
| 1955 |
|
return true; |
| 1956 |
|
} |
| 1957 |
|
|
