Macintosh-Tools/dingusppc
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joevt 2023-12-03 01:12:37 -08:00 committed by Maxim Poliakovski
parent cf4ce01ddd
commit 8baf722343
11 changed files with 15 additions and 15 deletions
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2
README.md
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@ -8,7 +8,7 @@ Be warned the program is highly unfinished and could use a lot of testing. Any f
While many other PowerPC emus exist (PearPC, Sheepshaver), none of them currently attempt emulation of PowerPC Macs accurately (except for QEMU). While many other PowerPC emus exist (PearPC, Sheepshaver), none of them currently attempt emulation of PowerPC Macs accurately (except for QEMU).
This program aims to not only improve upon what Sheepshaver, PearPC, and other PowerPC Mac emulators have done, but also to provide a better debugging environment. This currently is designed to work best with PowerPC Old World ROMs, including those of the PowerMac 6100, 7200, and G3 Beige. This program aims to not only improve upon what Sheepshaver, PearPC, and other PowerPC Mac emulators have done, but also to provide a better debugging environment. This currently is designed to work best with PowerPC Old World ROMs, including those of the Power Mac 6100, 7200, and G3 Beige.
## Implemented Features ## Implemented Features

2
devices/common/adb/adbkeyboard.cpp
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@ -58,7 +58,7 @@ bool AdbKeyboard::get_register_0() {
uint8_t AdbKeyboard::consume_pending_event() { uint8_t AdbKeyboard::consume_pending_event() {
if (this->pending_events.empty()) { if (this->pending_events.empty()) {
// In most cases we have only on pending event when the host polls us, // In most cases we have only one pending event when the host polls us,
// but we need to fill two entries of the output buffer. We need to set // but we need to fill two entries of the output buffer. We need to set
// the key status bit to 1 (released), and the key to a non-existent // the key status bit to 1 (released), and the key to a non-existent
// one (0x7F). Otherwise if we leave it empty, the host will think that // one (0x7F). Otherwise if we leave it empty, the host will think that

4
devices/common/machineid.h
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@ -31,7 +31,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#include <string> #include <string>
/** /**
@file Contains definitions for PowerMacintosh machine ID registers. @file Contains definitions for Power Macintosh machine ID registers.
The machine ID register is a memory-based register containing hardcoded The machine ID register is a memory-based register containing hardcoded
values the system software can read to identify machine/board it's running on. values the system software can read to identify machine/board it's running on.
@ -43,7 +43,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
Machine ID register for Nubus Power Macs. Machine ID register for Nubus Power Macs.
It's located at physical address 0x5FFFFFFC and contains four bytes: It's located at physical address 0x5FFFFFFC and contains four bytes:
+0 uint16_t signature = 0xA55A +0 uint16_t signature = 0xA55A
+1 uint8_t machine_type (3 - PowerMac) +1 uint8_t machine_type (3 - Power Mac)
+2 uint8_t model (0x10 = PDM, 0x12 = Carl Sagan, 0x13 = Cold Fusion) +2 uint8_t model (0x10 = PDM, 0x12 = Carl Sagan, 0x13 = Cold Fusion)
*/ */
class NubusMacID : public MMIODevice { class NubusMacID : public MMIODevice {

2
devices/memctrl/hammerhead.h
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@ -44,7 +44,7 @@ namespace Hammerhead {
#define EXTENDED_ID 0x1 // examine some other registers to get full ID #define EXTENDED_ID 0x1 // examine some other registers to get full ID
#define HH_CPU_ID_TNT ((RISC_MACHINE << 4) | (EXTENDED_ID << 3) | MACH_TYPE_TNT) #define HH_CPU_ID_TNT ((RISC_MACHINE << 4) | (EXTENDED_ID << 3) | MACH_TYPE_TNT)
// contants for the MBID field of the MOTHERBOARD_ID register // constants for the MBID field of the MOTHERBOARD_ID register
enum { enum {
MBID_VCI0_PRESENT = 4, MBID_VCI0_PRESENT = 4,
MBID_PCI2_PRESENT = 2, MBID_PCI2_PRESENT = 2,

2
devices/memctrl/hmc.h
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@ -25,7 +25,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
Highspeed Memory Controller (HMC) is a custom memory Highspeed Memory Controller (HMC) is a custom memory
and L2 cache controller designed especially for the and L2 cache controller designed especially for the
first generation of the PowerMacintosh computer. first generation of the Power Macintosh computer.
*/ */
#ifndef HMC_H #ifndef HMC_H

2
devices/memctrl/mpc106.h
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@ -25,7 +25,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
It's the central device in the Gossamer architecture. It's the central device in the Gossamer architecture.
Manual: https://www.nxp.com/docs/en/reference-manual/MPC106UM.pdf Manual: https://www.nxp.com/docs/en/reference-manual/MPC106UM.pdf
This code emulates as much functionality as needed to run PowerMac Beige G3. This code emulates as much functionality as needed to run Power Mac Beige G3.
This implies that This implies that
- we only support address map B - we only support address map B
- our virtual device reports revision 4.0 as expected by machine firmware - our virtual device reports revision 4.0 as expected by machine firmware

2
machines/machinefactory.cpp
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@ -65,7 +65,7 @@ static const map<uint32_t, std::tuple<string, const char*>> rom_identity = {
{0x50425820, {"pb-preg3", "PowerBook Pre-G3"}}, {0x50425820, {"pb-preg3", "PowerBook Pre-G3"}},
{0x50444D20, {"pm6100", "Nubus Power Mac"}}, // Piltdown Man (6100/7100/8100) {0x50444D20, {"pm6100", "Nubus Power Mac"}}, // Piltdown Man (6100/7100/8100)
{0x50697020, {"pippin", "Bandai Pippin"}}, // Pippin {0x50697020, {"pippin", "Bandai Pippin"}}, // Pippin
//{"Powe", "Generic Power Mac"}, // PowerMac? //{"Powe", "Generic Power Mac"}, // Power Mac?
{0x544E5420, {"pm7200", "Power Mac 7xxxx/8xxx series"}}, // Trinitrotoluene :-) {0x544E5420, {"pm7200", "Power Mac 7xxxx/8xxx series"}}, // Trinitrotoluene :-)
{0x5A616E7A, {"pm4400", "Power Mac 4400/7220"}}, // Zanzibar {0x5A616E7A, {"pm4400", "Power Mac 4400/7220"}}, // Zanzibar
}; };

2
machines/machinepdm.cpp
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@ -19,7 +19,7 @@ You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. along with this program. If not, see <https://www.gnu.org/licenses/>.
*/ */
/** @file Construct a PDM-style PowerMacintosh machine. /** @file Construct a PDM-style Power Macintosh machine.
Author: Max Poliakovski Author: Max Poliakovski
*/ */

2
zdocs/cpu/powerpc/mmu.md
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@ -5,7 +5,7 @@ MPC601 implements its own format for BAT registers that differs from the PowerPC
MPC601-specific lower BAT registers has the "V" bit. If it's cleared, the corresponding BAT pair MPC601-specific lower BAT registers has the "V" bit. If it's cleared, the corresponding BAT pair
is invalid and won't be used for address translation. To invalidate BATs on MPC601, it's enough is invalid and won't be used for address translation. To invalidate BATs on MPC601, it's enough
to write NULL to lower BAT registers. That's exactly what PowerMac 6100 ROM does: to write NULL to lower BAT registers. That's exactly what Power Mac 6100 ROM does:
``` ```
li r0, 0 li r0, 0
mtspr ibat0l, r0 mtspr ibat0l, r0

6
zdocs/get-inherited-property notes.txt
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@ -2,7 +2,7 @@ get-inherited-property and map-in notes
by joevt by joevt
========================================================================================== ==========================================================================================
PowerMac 8600 Power Mac 8600
rom notes: rom notes:
@ -216,13 +216,13 @@ The method that the Radeon 7000 uses (the "AAPL,cpu-id" check) to decide whether
========================================================================================== ==========================================================================================
PowerMac G3 233 (beige) Open Firmware 2.0f1: Power Mac G3 233 (beige) Open Firmware 2.0f1:
- The PCI bridge in the G3 does not implement the add-range method which signifies that get-inherited-property returns the correct number of parameters - The PCI bridge in the G3 does not implement the add-range method which signifies that get-inherited-property returns the correct number of parameters
- get-inherited-property is implemented the same as Open Firmware 2.4 (see below) - get-inherited-property is implemented the same as Open Firmware 2.4 (see below)
========================================================================================== ==========================================================================================
PowerMac G3 300 (beige) Open Firmware 2.4: Power Mac G3 300 (beige) Open Firmware 2.4:
- this version of Open Firmware is the best Old World Mac Open Firmware to work with since it has names for almost everything. - this version of Open Firmware is the best Old World Mac Open Firmware to work with since it has names for almost everything.

4
zdocs/openfirmware.md
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@ -5,7 +5,7 @@
[Open Firmware](https://en.wikipedia.org/wiki/Open_Firmware) is a platform-independent [Open Firmware](https://en.wikipedia.org/wiki/Open_Firmware) is a platform-independent
boot firmware architecture covered by an IEEE standard. boot firmware architecture covered by an IEEE standard.
All PowerMacintosh computers run Open Firmware except the very first generation All Power Macintosh computers run Open Firmware except the very first generation
that uses [Nubus](https://en.wikipedia.org/wiki/NuBus) instead of that uses [Nubus](https://en.wikipedia.org/wiki/NuBus) instead of
[PCI](https://en.wikipedia.org/wiki/Peripheral_Component_Interconnect). [PCI](https://en.wikipedia.org/wiki/Peripheral_Component_Interconnect).
@ -22,7 +22,7 @@ controlling the boot enviroment as by developers for developing and debugging de
drivers. drivers.
This document focuses on various aspects of Apple's Open Firmware implementation This document focuses on various aspects of Apple's Open Firmware implementation
as found in various PowerMacintosh models. as found in various Power Macintosh models.
## Open Firmware Versions ## Open Firmware Versions