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Add Byte Patterns In Readme (#36)

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* Add Byte Patterns In Readme

Adds the byte patterns for instructions to make it easier for newcomers to find the right functions address.

* Added Instructions

Added extra instruction for rest, save, restvmx and savevmx

* Fix Typo
This commit is contained in:
William Adam-Grenier
2025-03-04 17:51:55 -05:00
committed by GitHub
parent dc4460eefd
commit 0bf1fd5477
1 changed files with 11 additions and 11 deletions
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README.md
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@@ -155,16 +155,16 @@ savevmx_64_address = 0x831B34E4
Xbox 360 binaries feature specialized register restore & save functions that act similarly to switch case fallthroughs. Every function that utilizes non-volatile registers either has an inlined version of these functions or explicitly calls them. The recompiler requires the starting address of each restore/save function in the TOML file to recompile them correctly. These functions could likely be auto-detected, but there is currently no mechanism for it. Xbox 360 binaries feature specialized register restore & save functions that act similarly to switch case fallthroughs. Every function that utilizes non-volatile registers either has an inlined version of these functions or explicitly calls them. The recompiler requires the starting address of each restore/save function in the TOML file to recompile them correctly. These functions could likely be auto-detected, but there is currently no mechanism for it.
Property|Description Property|Description|Byte Pattern
-|- -|-|-
restgprlr_14_address|Start address of the `__restgprlr_14` function. It starts with `ld r14, -0x98(r1)`, repeating the same operation for the rest of the non-volatile registers and restoring the link register at the end. restgprlr_14_address|Start address of the `__restgprlr_14` function. It starts with `ld r14, -0x98(r1)`, repeating the same operation for the rest of the non-volatile registers and restoring the link register at the end.|`e9 c1 ff 68`
savegprlr_14_address|Start address of the `__savegprlr_14` function. It starts with `std r14, -0x98(r1)`, repeating the same operation for the rest of the non-volatile registers and saving the link register at the end. savegprlr_14_address|Start address of the `__savegprlr_14` function. It starts with `std r14, -0x98(r1)`, repeating the same operation for the rest of the non-volatile registers and saving the link register at the end.|`f9 c1 ff 68`
restfpr_14_address|Start address of the `__restfpr_14` function. It starts with `lfd f14, -0x90(r12)`, repeating the same operation for the rest of the non-volatile FPU registers. restfpr_14_address|Start address of the `__restfpr_14` function. It starts with `lfd f14, -0x90(r12)`, repeating the same operation for the rest of the non-volatile FPU registers.|`c9 cc ff 70`
savefpr_14_address|Start address of the `__savefpr_14` function. It starts with `stfd r14, -0x90(r12)`, repeating the same operation for the rest of the non-volatile FPU registers. savefpr_14_address|Start address of the `__savefpr_14` function. It starts with `stfd r14, -0x90(r12)`, repeating the same operation for the rest of the non-volatile FPU registers.|`d9 cc ff 70`
restvmx_14_address|Start address of the `__restvmx_14` function. It starts with `li r11, -0x120` and `lvx v14, r11, r12`, repeating the same operation for the rest of the non-volatile VMX registers until `v31`. restvmx_14_address|Start address of the `__restvmx_14` function. It starts with `li r11, -0x120` and `lvx v14, r11, r12`, repeating the same operation for the rest of the non-volatile VMX registers until `v31`.|`39 60 fe e0 7d cb 60 ce`
savevmx_14_address|Start address of the `__savevmx_14` function. It starts with `li r11, -0x120` and `stvx v14, r11, r12`, repeating the same operation for the rest of the non-volatile VMX registers until `v31`. savevmx_14_address|Start address of the `__savevmx_14` function. It starts with `li r11, -0x120` and `stvx v14, r11, r12`, repeating the same operation for the rest of the non-volatile VMX registers until `v31`.|`39 60 fe e0 7d cb 61 ce`
restvmx_64_address|Start address of the `__restvmx_64` function. It starts with `li r11, -0x400` and `lvx128 v64, r11, r12`, repeating the same operation for the rest of the non-volatile VMX registers. restvmx_64_address|Start address of the `__restvmx_64` function. It starts with `li r11, -0x400` and `lvx128 v64, r11, r12`, repeating the same operation for the rest of the non-volatile VMX registers.|`39 60 fc 00 10 0b 60 cb`
savevmx_64_address|Start address of the `__savevmx_64` function. It starts with `li r11, -0x400` and `stvx128 v64, r11, r12`, repeating the same operation for the rest of the non-volatile VMX registers. savevmx_64_address|Start address of the `__savevmx_64` function. It starts with `li r11, -0x400` and `stvx128 v64, r11, r12`, repeating the same operation for the rest of the non-volatile VMX registers.|`39 60 fc 00 10 0b 61 cb`
#### longjmp & setjmp #### longjmp & setjmp