Macintosh-Tools/dingusppc
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cf292fafcb
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Author SHA1 Message Date
joevt
cf292fafcb control: vram changes. 
Allow VRAM presence only in optional bank.

control: Implement banks.

The BAR is 64MB.
The little-endian/big-endian ranges repeat every 16MB.
An endian range can be addressed in d128 (wide) mode or d64 mode.
In d128 mode, there is a 4MB range followed by an undefined 4MB range. bytes 0..7 belong to the standard bank and bytes 8..15 belong to the optional bank.
In d64 mode:
- 2MB mirror ranges at 0MB and 2MB (both have the same read/write behavor: write to both banks or read from the standard bank.
- 2MB standard bank rage at 4MB.
- 2MB optional bank range at 6MB.
 2024-04-01 21:17:17 -07:00
joevt
08fca7de69 control: Recalc framebuffer after each change. 2024-04-01 20:58:46 -07:00
joevt
b42437c458 control: Mask unmodifiable bits. 2024-04-01 19:01:03 -07:00
joevt
98e1787f93 machines: Remove duplicate gfxmem_size properties. 2024-04-01 18:28:13 -07:00
joevt
7a0ec0ecd3 README: Grammar. 2024-04-01 18:23:39 -07:00
dingusdev
55b9f8bbe5 bzero -> memset 2024-04-01 08:03:12 -07:00
joevt
2968645f2e scsihd: Allow INQUIRY allocation length != 36. 
Truncate for < 36 and zero fill for > 36.
 2024-04-01 08:02:17 -07:00
joevt
92dea0e404 scsihd: Include invalid field info. 
For CHECK_CONDITION status from READ_CAPACITY_10.
 2024-04-01 08:01:09 -07:00
joevt
bfd3077bd0 scsicdrom: Check Lun for INQUIRY. 
INQUIRY now returns 0x7f for device type if LUN doesn't match. INQUIRY can get LUN from CDB or from IDENTIFY message.
 2024-04-01 08:00:41 -07:00
joevt
2d1616894d appleramdac: Allow read from CLUT. 2024-04-01 07:39:20 -07:00
joevt
7c203b40c8 appleramdac: Reset comp_index on address change. 2024-04-01 07:37:16 -07:00
joevt
2f63a2fa17 appleramdac: Add other vendor id. 2024-04-01 07:10:55 -07:00
joevt
e3e065a6d7 appleramdac: Register comments. 2024-04-01 06:47:25 -07:00
dingusdev
afd8ba8cf2 Slight adjustment for the readme 2024-03-31 15:09:57 -07:00
dingusdev
43d87b4791 Temp revert for icnt_factor 
We should, at minimum, make icnt_factor adjustable. That said, powermax is suggesting we develop a more sophisticated scheduler.
 2024-03-31 14:13:45 -07:00
joevt
6267685920 ppcexec: Make EXEF_TIMER separate variable. 2024-03-31 12:15:48 -07:00
joevt
48882f3fec ppcexec: Adjust icnt_factor. 
So that 1000 ms takes ≈ 1 second in Open Firmware on 4 GHz Intel CPU.
 2024-03-31 11:51:04 -07:00
joevt
0ac54ea1ea ppcexec: Add host time option. 2024-03-31 11:50:55 -07:00
joevt
4395ce01d7 ohare: Update name of Mesh device. 2024-03-30 17:56:19 -07:00
joevt
2c097da12d grandcentral: Add escc DMA. 2024-03-30 14:55:24 -07:00
joevt
5f316dc7a4 grandcentral: Adjust audio in DMA logging. 2024-03-30 12:49:33 -07:00
joevt
02a475e113 sc53c94: Remove duplicate bus_obj. 
sc53c94 is a ScsiDevice which has its own bus_obj which is set by register_device.
 2024-03-30 11:56:59 -07:00
joevt
338bbe27a8 scsihd: Implement REQ_SENSE. 
Returns error information stored in class fields: sense, asc, ascq, sksv, and field.
 2024-03-30 11:56:37 -07:00
joevt
44564065f6 scsihd: Changes for MODE_SENSE_6. 
Return CHECK_CONDITION for unsupported page_ctrl or page or subpage.
Handle the all pages code 0x3F.
 2024-03-30 11:56:02 -07:00
dingusdev
c54ec7be2d Use memset instead of bzero 2024-03-30 11:19:32 -07:00
joevt
274e380b34 scsicdrom: Allow INQUIRY allocation length != 36. 
Truncate for < 36 and zero fill for > 36.
 2024-03-30 11:16:41 -07:00
joevt
e872f08273 scsicdrom: Include invalid field info. 
For CHECK_CONDITION status from READ_CAPACITY_10 and READ_TOC.
 2024-03-30 11:00:01 -07:00
joevt
a6fda3b787 scsicdrom: Handle MODE_SENSE_6 unsupported page. 
Return CHECK_CONDITION status instead of abort. To Do: apply change to scshhd.
 2024-03-30 10:59:43 -07:00
joevt
a48851888f scsihd: Setup data_ptr for STATUS and MESSAGE_IN. 
bytes_out is used instead of the removed cur_buf_cnt.
data_ptr is setup by prepare_data instead of process_command.
Not sure why scsicdrom doesn't set bytes_out in prepare_data.
 2024-03-30 08:37:10 -07:00
joevt
f1abb66f9a atahd: Add STANDBY_IMMEDIATE. 2024-03-30 08:30:37 -07:00
joevt
c999c51d77 scsicdrom, scsihd: Check lun. 
READ_CAPACITY_10, READ_6, and READ_10 now checks LUN that is included in CDB and returns a CHECK_CONDITION if it doesn't match.
 2024-03-29 19:12:06 -07:00
joevt
6bb5227ee1 scsihd: Abort if RelAdr bit of READ_10. 
Like scsicdrom does.
 2024-03-29 19:01:42 -07:00
joevt
cefe8698da scsihd: Add PREVENT_ALLOW_MEDIUM_REMOVAL. 
Like scsicdrom has.
 2024-03-29 19:01:32 -07:00
joevt
4be6bad526 scsicdrom: Fix compiler warning. 2024-03-29 19:00:38 -07:00
joevt
d3c913e384 scsicdrom: Cleanup. 
- Use macros for reading 2 byte or 4 byte big endian data. block_size is assumed to be < 64K so WRITE_DWORD_BE_A will write two leading zeros.
- Scalar pass by value parameters don't need to be const.
- Remove some unnecessary locals.
 2024-03-29 18:53:13 -07:00
joevt
a868f4eee4 scsihd: Cleanup. 
Use this qualifier.
Use macros for reading 2 byte or 4 byte big endian data.
 2024-03-29 18:53:04 -07:00
joevt
44da89979f scsihd: Use device name in abort message. 2024-03-29 18:52:52 -07:00
joevt
a79f07e4dc scsicdrom: Move mode_select_6. 
Make it a separate method like scsihd. It also checks the incoming param size. If it's zero then the phase is not switched. Is that wrong? Still probably unfinished.
 2024-03-29 18:52:30 -07:00
Maxim Poliakovski
e17a96f5ec atirage: break long lines. 2024-03-29 21:21:58 +01:00
joevt
5062508940 scsicdrom: Rename mode_sense_6. 
To match scsihd.
 2024-03-29 07:56:48 -07:00
joevt
9cf91328c1 scsicdrom: Move inquiry info to class fields. 
Like scsihd.
 2024-03-29 07:56:44 -07:00
joevt
6a30ef7017 scsicdrom: Fields inited by parent class. 
They don't need to be reinitialized.
 2024-03-29 07:56:31 -07:00
Maxim Poliakovski
71dabf5334 atahd: break long lines. 2024-03-29 12:46:57 +01:00
joevt
155b8cdad9 atahd: Support inexact CHS. 
The total size needs to have 3 factors cylinders, heads, & sectors. Imagine a disk having a total size with 3 prime factors 3 x 5 x 11. 15 cannot be assigned to heads because that would only leave 11 for sectors and cylinders. Therefore, test all heads and sectors combinations. If the third factor for cylinders is not found, then choose 16 heads, then the minimum number of sectors, and finally the maximum number of cylinders. The loop could be changed to skip values of heads that are not a factor, but it doesn't take any time to try them all.
 2024-03-28 21:07:12 -07:00
joevt
96dc02b249 atahd: Make sure disk is not too big. 2024-03-28 21:07:08 -07:00
Maxim Poliakovski
eaddcab0ba atahd: don't register device for empty images. 
Workaround for the case when no hard disk image
was specified. The device instance is still there
but it won't be visible by the guest OS.
 2024-03-29 03:54:09 +01:00
joevt
d9b02ecd8d ppcmmu: Check 8 byte alignment spanning pages. 2024-03-28 07:53:03 -07:00
joevt
b9c12e44a4 ppcopcodes: Cleanup 3. 2024-03-28 07:36:40 -07:00
joevt
58ed5bb56e ppcexec: Opcode initialization to one function. 
Move all opcode initialization to initialize_ppc_opcode_tables.
Some opcodes are illegal for some processors.
 2024-03-28 07:35:57 -07:00
joevt
094f44e92c ppcopcodes: Make MQ read only on non-601 CPUs. 2024-03-28 07:29:50 -07:00