1 files changed, 170 insertions, 0 deletions
diff --git a/include/dolphin/os/OSContext.h b/include/dolphin/os/OSContext.h
new file mode 100644
index 0000000..bbd0aaa
--- /dev/null
+++ b/include/dolphin/os/OSContext.h
@@ -0,0 +1,170 @@
+#ifndef _DOLPHIN_OSCONTEXT
+#define _DOLPHIN_OSCONTEXT
+
+#include <types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define __OS_CONTEXT_FRAME 768
+
+#define OS_CONTEXT_R0 0
+#define OS_CONTEXT_R1 4
+#define OS_CONTEXT_R2 8
+#define OS_CONTEXT_R3 12
+#define OS_CONTEXT_R4 16
+#define OS_CONTEXT_R5 20
+#define OS_CONTEXT_R6 24
+#define OS_CONTEXT_R7 28
+#define OS_CONTEXT_R8 32
+#define OS_CONTEXT_R9 36
+#define OS_CONTEXT_R10 40
+#define OS_CONTEXT_R11 44
+#define OS_CONTEXT_R12 48
+#define OS_CONTEXT_R13 52
+#define OS_CONTEXT_R14 56
+#define OS_CONTEXT_R15 60
+#define OS_CONTEXT_R16 64
+#define OS_CONTEXT_R17 68
+#define OS_CONTEXT_R18 72
+#define OS_CONTEXT_R19 76
+#define OS_CONTEXT_R20 80
+#define OS_CONTEXT_R21 84
+#define OS_CONTEXT_R22 88
+#define OS_CONTEXT_R23 92
+#define OS_CONTEXT_R24 96
+#define OS_CONTEXT_R25 100
+#define OS_CONTEXT_R26 104
+#define OS_CONTEXT_R27 108
+#define OS_CONTEXT_R28 112
+#define OS_CONTEXT_R29 116
+#define OS_CONTEXT_R30 120
+#define OS_CONTEXT_R31 124
+
+#define OS_CONTEXT_CR 128
+#define OS_CONTEXT_LR 132
+#define OS_CONTEXT_CTR 136
+#define OS_CONTEXT_XER 140
+
+#define OS_CONTEXT_FPR0 144
+#define OS_CONTEXT_FPR1 152
+#define OS_CONTEXT_FPR2 160
+#define OS_CONTEXT_FPR3 168
+#define OS_CONTEXT_FPR4 176
+#define OS_CONTEXT_FPR5 184
+#define OS_CONTEXT_FPR6 192
+#define OS_CONTEXT_FPR7 200
+#define OS_CONTEXT_FPR8 208
+#define OS_CONTEXT_FPR9 216
+#define OS_CONTEXT_FPR10 224
+#define OS_CONTEXT_FPR11 232
+#define OS_CONTEXT_FPR12 240
+#define OS_CONTEXT_FPR13 248
+#define OS_CONTEXT_FPR14 256
+#define OS_CONTEXT_FPR15 264
+#define OS_CONTEXT_FPR16 272
+#define OS_CONTEXT_FPR17 280
+#define OS_CONTEXT_FPR18 288
+#define OS_CONTEXT_FPR19 296
+#define OS_CONTEXT_FPR20 304
+#define OS_CONTEXT_FPR21 312
+#define OS_CONTEXT_FPR22 320
+#define OS_CONTEXT_FPR23 328
+#define OS_CONTEXT_FPR24 336
+#define OS_CONTEXT_FPR25 344
+#define OS_CONTEXT_FPR26 352
+#define OS_CONTEXT_FPR27 360
+#define OS_CONTEXT_FPR28 368
+#define OS_CONTEXT_FPR29 376
+#define OS_CONTEXT_FPR30 384
+#define OS_CONTEXT_FPR31 392
+
+#define OS_CONTEXT_FPSCR 400
+
+#define OS_CONTEXT_SRR0 408
+#define OS_CONTEXT_SRR1 412
+
+#define OS_CONTEXT_MODE 416
+#define OS_CONTEXT_STATE 418
+
+#define OS_CONTEXT_GQR0 420
+#define OS_CONTEXT_GQR1 424
+#define OS_CONTEXT_GQR2 428
+#define OS_CONTEXT_GQR3 432
+#define OS_CONTEXT_GQR4 436
+#define OS_CONTEXT_GQR5 440
+#define OS_CONTEXT_GQR6 444
+#define OS_CONTEXT_GQR7 448
+#define __OSCONTEXT_PADDING 452
+
+#define OS_CONTEXT_PSF0 456
+#define OS_CONTEXT_PSF1 464
+#define OS_CONTEXT_PSF2 472
+#define OS_CONTEXT_PSF3 480
+#define OS_CONTEXT_PSF4 488
+#define OS_CONTEXT_PSF5 496
+#define OS_CONTEXT_PSF6 504
+#define OS_CONTEXT_PSF7 512
+#define OS_CONTEXT_PSF8 520
+#define OS_CONTEXT_PSF9 528
+#define OS_CONTEXT_PSF10 536
+#define OS_CONTEXT_PSF11 544
+#define OS_CONTEXT_PSF12 552
+#define OS_CONTEXT_PSF13 560
+#define OS_CONTEXT_PSF14 568
+#define OS_CONTEXT_PSF15 576
+#define OS_CONTEXT_PSF16 584
+#define OS_CONTEXT_PSF17 592
+#define OS_CONTEXT_PSF18 600
+#define OS_CONTEXT_PSF19 608
+#define OS_CONTEXT_PSF20 616
+#define OS_CONTEXT_PSF21 624
+#define OS_CONTEXT_PSF22 632
+#define OS_CONTEXT_PSF23 640
+#define OS_CONTEXT_PSF24 648
+#define OS_CONTEXT_PSF25 656
+#define OS_CONTEXT_PSF26 664
+#define OS_CONTEXT_PSF27 672
+#define OS_CONTEXT_PSF28 680
+#define OS_CONTEXT_PSF29 688
+#define OS_CONTEXT_PSF30 696
+#define OS_CONTEXT_PSF31 704
+#define OS_CONTEXT_STATE_EXC 0x02u
+
+#define OS_CONTEXT_STATE_FPSAVED 0x01u
+
+typedef struct OSContext {
+  u32 gpr[32];
+  u32 cr;
+  u32 lr;
+  u32 ctr;
+  u32 xer;
+
+  f64 fpr[32];
+
+  u32 fpscr_pad;
+  u32 fpscr;
+
+  u32 srr0;
+  u32 srr1;
+
+  u16 mode;
+  u16 state;
+
+  u32 gqr[8];
+  u32 psf_pad;
+  f64 psf[32];
+
+} OSContext;
+
+u32 OSSaveContext(OSContext* context);
+void OSClearContext(OSContext* context);
+OSContext* OSGetCurrentContext();
+void OSSetCurrentContext(OSContext* context);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _DOLPHIN_OSCONTEXT