diff options
Diffstat (limited to 'arm9/lib')
-rw-r--r-- | arm9/lib/include/OS_alloc.h (renamed from arm9/lib/include/os_alloc.h) | 2 | ||||
-rw-r--r-- | arm9/lib/include/OS_arena.h (renamed from arm9/lib/include/os_arena.h) | 0 | ||||
-rw-r--r-- | arm9/lib/include/OS_entropy.h | 27 | ||||
-rw-r--r-- | arm9/lib/include/OS_init.h | 20 | ||||
-rw-r--r-- | arm9/lib/include/OS_protectionRegion.h (renamed from arm9/lib/include/os_protectionRegion.h) | 1 | ||||
-rw-r--r-- | arm9/lib/include/OS_spinLock.h | 14 | ||||
-rw-r--r-- | arm9/lib/include/OS_system.h (renamed from arm9/lib/include/os_system.h) | 9 | ||||
-rw-r--r-- | arm9/lib/include/OS_thread.h | 23 | ||||
-rw-r--r-- | arm9/lib/include/consts.h | 21 | ||||
-rw-r--r-- | arm9/lib/include/mmap.h | 51 | ||||
-rw-r--r-- | arm9/lib/include/nitro.h | 2 | ||||
-rw-r--r-- | arm9/lib/include/os.h | 17 | ||||
-rw-r--r-- | arm9/lib/include/types.h | 10 | ||||
-rw-r--r-- | arm9/lib/src/OS_alloc.c | 4 | ||||
-rw-r--r-- | arm9/lib/src/OS_arena.c | 4 | ||||
-rw-r--r-- | arm9/lib/src/OS_entropy.c | 22 | ||||
-rw-r--r-- | arm9/lib/src/OS_init.c | 38 | ||||
-rw-r--r-- | arm9/lib/src/OS_protectionRegion.c | 27 | ||||
-rw-r--r-- | arm9/lib/src/OS_system.c | 71 |
19 files changed, 335 insertions, 28 deletions
diff --git a/arm9/lib/include/os_alloc.h b/arm9/lib/include/OS_alloc.h index 1c4b6122..08fb3224 100644 --- a/arm9/lib/include/os_alloc.h +++ b/arm9/lib/include/OS_alloc.h @@ -6,7 +6,7 @@ #define POKEDIAMOND_OS_ALLOC_H #include "types.h" -#include "os_arena.h" +#include "OS_arena.h" typedef int OSHeapHandle; diff --git a/arm9/lib/include/os_arena.h b/arm9/lib/include/OS_arena.h index f1893a3d..f1893a3d 100644 --- a/arm9/lib/include/os_arena.h +++ b/arm9/lib/include/OS_arena.h diff --git a/arm9/lib/include/OS_entropy.h b/arm9/lib/include/OS_entropy.h new file mode 100644 index 00000000..b4695a72 --- /dev/null +++ b/arm9/lib/include/OS_entropy.h @@ -0,0 +1,27 @@ +// +// Created by red031000 on 2020-05-03. +// + +#ifndef POKEDIAMOND_OS_ENTROPY_H +#define POKEDIAMOND_OS_ENTROPY_H + +#include "consts.h" + +void OS_GetLowEntropyData(u32 * arr); + +typedef struct NVRAMConfig{ + u8 ncd[110]; // todo: typeof NVRAMConfigData + u16 saveCount; + u16 rc16; +} NVRAMConfig; + +extern vu64 OSi_TickCounter; + +extern u16 OS_GetTickLo(); + +static inline s32 GX_GetVCount() +{ + return reg_GX_VCOUNT; +} + +#endif //POKEDIAMOND_OS_ENTROPY_H diff --git a/arm9/lib/include/OS_init.h b/arm9/lib/include/OS_init.h new file mode 100644 index 00000000..1ff2837c --- /dev/null +++ b/arm9/lib/include/OS_init.h @@ -0,0 +1,20 @@ +// +// Created by mart on 4/12/20. +// + +#ifndef POKEDIAMOND_OS_INIT_H +#define POKEDIAMOND_OS_INIT_H + +#include "types.h" +#include "consts.h" +#include "OS_spinLock.h" +#include "OS_thread.h" +#include "OS_protectionRegion.h" +#include "OS_entropy.h" +#include "OS_arena.h" +#include "OS_alloc.h" +#include "OS_system.h" + +void OS_Init(); + +#endif //POKEDIAMOND_OS_INIT_H diff --git a/arm9/lib/include/os_protectionRegion.h b/arm9/lib/include/OS_protectionRegion.h index 7b212934..8e25420a 100644 --- a/arm9/lib/include/os_protectionRegion.h +++ b/arm9/lib/include/OS_protectionRegion.h @@ -8,6 +8,7 @@ #include "types.h" #include "consts.h" +void OS_SetDPermissionsForProtectionRegion(register u32 setMask, register u32 flags); void OS_SetProtectionRegion1(u32 param); void OS_SetProtectionRegion2(u32 param); diff --git a/arm9/lib/include/OS_spinLock.h b/arm9/lib/include/OS_spinLock.h new file mode 100644 index 00000000..b7f0a571 --- /dev/null +++ b/arm9/lib/include/OS_spinLock.h @@ -0,0 +1,14 @@ +// +// Created by red031000 on 2020-05-03. +// + +#ifndef POKEDIAMOND_OS_SPINLOCK_H +#define POKEDIAMOND_OS_SPINLOCK_H + +typedef volatile struct OSLockWord { + u32 lockFlag; + u16 ownerID; + u16 extension; +} OSLockWord; + +#endif //POKEDIAMOND_OS_SPINLOCK_H diff --git a/arm9/lib/include/os_system.h b/arm9/lib/include/OS_system.h index c7f121bd..93903315 100644 --- a/arm9/lib/include/os_system.h +++ b/arm9/lib/include/OS_system.h @@ -17,17 +17,22 @@ typedef enum { OS_PROCMODE_SYS=31 } OSProcMode; +ENUMS_ALWAYS_INT_ON typedef enum { - OS_INTRMODE_DISABLE = HW_PSR_IRQ_DISABLE, + OS_INTRMODE_DISABLE_IRQ = HW_PSR_DISABLE_IRQ, + OS_INTRMODE_DISABLE_FIQ = HW_PSR_DISABLE_FIQ, OS_INTRMODE_ENABLE = 0 } OSIntrMode; +ENUMS_ALWAYS_INT_RESET OSIntrMode OS_EnableInterrupts(); OSIntrMode OS_DisableInterrupts(); OSIntrMode OS_RestoreInterrupts(OSIntrMode state); OSIntrMode OS_DisableInterrupts_IrqAndFiq(); OSIntrMode OS_RestoreInterrupts_IrqAndFiq(OSIntrMode state); +OSIntrMode OS_GetCpsrIrq(); OSProcMode OS_GetProcMode(); - +void OS_SpinWait(); +void OS_WaitVBlankIntr(); #endif //POKEDIAMOND_OS_SYSTEM_H diff --git a/arm9/lib/include/OS_thread.h b/arm9/lib/include/OS_thread.h new file mode 100644 index 00000000..4fb70bf7 --- /dev/null +++ b/arm9/lib/include/OS_thread.h @@ -0,0 +1,23 @@ +// +// Created by red031000 on 2020-05-03. +// + +#ifndef POKEDIAMOND_OS_THREAD_H +#define POKEDIAMOND_OS_THREAD_H + +typedef struct _OSThread OSThread; + +typedef struct OSThreadInfo { + u16 isNeedRescheduling; + u16 irqDepth; + OSThread* current; + OSThread* list; + void* switchCallback; // type: OSSwitchThreadCallback +} OSThreadInfo; + +struct _OSThread +{ + u8 padding[0x80]; //todo: not the correct size but idfk +}; + +#endif //POKEDIAMOND_OS_THREAD_H diff --git a/arm9/lib/include/consts.h b/arm9/lib/include/consts.h index 6fc71be2..e07fe323 100644 --- a/arm9/lib/include/consts.h +++ b/arm9/lib/include/consts.h @@ -9,9 +9,22 @@ #define HW_PSR_CPU_MODE_MASK 0x1f // CPU mode -#define HW_PSR_FIQ_DISABLE 0x40 // Disable FIQ -#define HW_PSR_IRQ_DISABLE 0x80 // Disable IRQ -#define HW_PSR_IRQ_FIQ_DISABLE 0xc0 // Disable FIQ and IRQ +#define HW_PSR_DISABLE_FIQ 0x40 // Disable FIQ +#define HW_PSR_DISABLE_IRQ 0x80 // Disable IRQ +#define HW_PSR_DISABLE_IRQ_FIQ 0xc0 // Disable FIQ and IRQ + +#define HW_REG_BASE 0x04000000 +#define REG_VCOUNT_OFFSET 0x006 +#define REG_VCOUNT_ADDR (HW_REG_BASE + REG_VCOUNT_OFFSET) +#define reg_GX_VCOUNT (*(REGType16v *)REG_VCOUNT_ADDR) + +#define REG_KEYINPUT_OFFSET 0x130 +#define REG_KEYINPUT_ADDR (HW_REG_BASE + REG_KEYINPUT_OFFSET) +#define reg_PAD_KEYINPUT (*(REGType16v *)REG_KEYINPUT_ADDR) + +#define REG_GXSTAT_OFFSET 0x600 +#define REG_GXSTAT_ADDR (HW_REG_BASE + REG_GXSTAT_OFFSET) +#define reg_G3X_GXSTAT (*(REGType32v *)REG_GXSTAT_ADDR) #define HW_C6_PR_4KB 0x16 #define HW_C6_PR_8KB 0x18 @@ -42,4 +55,6 @@ #define OSi_TRUNC(n, a) (((u32) (n)) & ~((a) - 1)) #define OSi_ROUND(n, a) (((u32) (n) + (a) - 1) & ~((a) - 1)) +#define OS_IE_V_BLANK (1UL << 0) + #endif //POKEDIAMOND_CONSTS_H diff --git a/arm9/lib/include/mmap.h b/arm9/lib/include/mmap.h index 14820c39..d94df843 100644 --- a/arm9/lib/include/mmap.h +++ b/arm9/lib/include/mmap.h @@ -26,6 +26,7 @@ extern u32 SDK_AUTOLOAD_DTCM_START[]; #define HW_ARENA_INFO_BUF (HW_MAIN_MEM + 0x007ffda0) // Arena data structure #define HW_ROM_HEADER_BUF (HW_MAIN_MEM + 0x007ffe00) // ROM registration area data buffer #define HW_RED_RESERVED (HW_MAIN_MEM + 0x007ff800) // Some kind of reserved data for shared memory +#define HW_MAIN_MEM_SYSTEM (HW_MAIN_MEM + 0x007ffc00) #define HW_MAIN_MEM_MAIN_END (HW_MAIN_MEM + HW_MAIN_MEM_MAIN_SIZE) #define HW_MAIN_MEM_EX_END (HW_MAIN_MEM + HW_MAIN_MEM_EX_SIZE) #define HW_MAIN_MEM_SHARED (HW_MAIN_MEM_EX_END - HW_MAIN_MEM_SHARED_SIZE) @@ -34,6 +35,8 @@ extern u32 SDK_AUTOLOAD_DTCM_START[]; #define HW_DTCM_SVC_STACK (HW_DTCM_SVC_STACK_END - HW_SVC_STACK_SIZE) #define HW_DTCM_IRQ_STACK_END (HW_DTCM_SVC_STACK) +#define HW_BUTTON_XY_BUF (HW_MAIN_MEM + 0x007fffa8) + #define OSi_MAIN_ARENA_HI_DEFAULT (HW_MAIN_MEM_MAIN_END) #define OSi_MAINEX_ARENA_HI_DEFAULT (HW_MAIN_MEM + HW_MAIN_MEM_DEBUGGER_OFFSET) #define HW_ITCM_ARENA_HI_DEFAULT (HW_ITCM + HW_ITCM_SIZE) @@ -42,4 +45,52 @@ extern u32 SDK_AUTOLOAD_DTCM_START[]; #define OSi_WRAM_MAIN_ARENA_HI_DEFAULT (HW_WRAM) #define OSi_WRAM_MAIN_ARENA_LO_DEFAULT (HW_WRAM) +#include "OS_thread.h" //not ideal but it's necessary +#include "OS_spinLock.h" + +typedef struct { + u8 bootCheckInfo[0x20]; // 000-01f: 32byte boot check info + u32 resetParameter; // 020-023: 4byte reset parameter + u8 padding5[0x8]; // 024-02c: (8byte) + u32 romBaseOffset; // 02c-02f: 4byte ROM offset of own program + u8 cartridgeModuleInfo[12]; // 030-03b: 12byte cartridge module info + u32 vblankCount; // 03c-03f: 4byte V-Blank Count + u8 wmBootBuf[0x40]; // 040-07f: 64byte WM multiboot buffer + u8 nvramUserInfo[0x100]; // 080-17f: 256bytes NVRAM user info + u8 isd_reserved1[0x20]; // 180-19f: 32bytes ISDebugger reserved + u8 arenaInfo[0x48]; // 1a0-1e7: 72byte Arena information + u8 real_time_clock[8]; // 1e8-1ef: 8bytes RTC + u32 dmaClearBuf[4]; // 1f0-1ff: 16bytes DMA clear information buffer (for ARM9-TEG) + u8 rom_header[0x160]; // 200-35f: 352bytes ROM registration area info storage buffer + u8 isd_reserved2[32]; // 360-37f: 32bytes ISDebugger reserved + u32 pxiSignalParam[2]; // 380-387: 8bytes Param for PXI Signal + u32 pxiHandleChecker[2]; // 388-38f: 8bytes Flag for PXI Command Handler Installed + u32 mic_last_address; // 390-393: 4bytes MIC latest sampling result storage address + u16 mic_sampling_data; // 394-395: 2bytes MIC sampling result + u16 wm_callback_control; // 396-397: 2bytes Parameter for WM callback synchronization + u16 wm_rssi_pool; // 398-399: 2bytes Random number source depends on WM received signal intensity + u8 padding3[2]; // 39a-39b: (2bytes) + u32 component_param; // 39c-39f: 4bytes Parameter for Component synchronization + OSThreadInfo *threadinfo_mainp; // 3a0-3a3: 4bytes Verify that the pointer to ARM9 thread information is initial value 0 + OSThreadInfo *threadinfo_subp; // 3a4-3a7: 4bytes Verify that the pointer to ARM7 thread information is initial value 0 + u16 button_XY; // 3a8-3a9: 2bytes XY button information storage location + u8 touch_panel[4]; // 3aa-3ad: 4bytes Touch Screen information storage location + u16 autoloadSync; // 3ae-3af: 2bytes autoload sync between processors + u32 lockIDFlag_mainp[2]; // 3b0-3b7: 8bytes lockID management flag (ARM9) + u32 lockIDFlag_subp[2]; // 3b8-3bf: 8bytes lockID management flag (ARM7) + struct OSLockWord lock_VRAM_C; // 3c0-3c7: 8bytes C - lock buffer + struct OSLockWord lock_VRAM_D; // 3c8-3cf: 8bytes VRAM-D - lock buffer + struct OSLockWord lock_WRAM_BLOCK0; // 3d0-3d7: 8bytes Block0 - lock buffer + struct OSLockWord lock_WRAM_BLOCK1; // 3d8-3df: 8bytes CPU internal work RAM - Block1 - lock buffer + struct OSLockWord lock_CARD; // 3e0-3e7: 8bytes Game Card - lock buffer + struct OSLockWord lock_CARTRIDGE; // 3e8-3ef: 8bytes DS Pak - lock buffer + struct OSLockWord lock_INIT; // 3f0-3f7: 8bytes Initialization lock buffer + u16 mmem_checker_mainp; // 3f8-3f9: 2bytes MainMomory Size Checker for Main processor + u16 mmem_checker_subp; // 3fa-3fb: 2bytes MainMomory Size Checker for Sub processor + u8 padding4[2]; // 3fc-3fd: (2bytes) + u16 command_area; // 3fe-3ff: 2bytes Command Area +} OSSystemWork; + +#define OS_GetSystemWork() ((OSSystemWork *)HW_MAIN_MEM_SYSTEM) + #endif
\ No newline at end of file diff --git a/arm9/lib/include/nitro.h b/arm9/lib/include/nitro.h index 8cf603f5..f7397fb0 100644 --- a/arm9/lib/include/nitro.h +++ b/arm9/lib/include/nitro.h @@ -8,7 +8,7 @@ extern "C" { // Include all nitro files #include "types.h" #include "consts.h" -#include "os.h" +#include "OS_init.h" #include "mmap.h" #ifdef __cplusplus diff --git a/arm9/lib/include/os.h b/arm9/lib/include/os.h deleted file mode 100644 index 591d8db0..00000000 --- a/arm9/lib/include/os.h +++ /dev/null @@ -1,17 +0,0 @@ -// -// Created by mart on 4/12/20. -// - -#ifndef POKEDIAMOND_OS_H -#define POKEDIAMOND_OS_H - -#include "types.h" -#include "consts.h" -#include "os_protectionRegion.h" -#include "os_arena.h" -#include "os_alloc.h" -#include "os_system.h" - -void OS_Init(); - -#endif //POKEDIAMOND_OS_H diff --git a/arm9/lib/include/types.h b/arm9/lib/include/types.h index 5ad2c75e..40f8207d 100644 --- a/arm9/lib/include/types.h +++ b/arm9/lib/include/types.h @@ -25,6 +25,16 @@ typedef volatile s64 vs64; typedef float f32; typedef volatile f32 vf32; +typedef u8 REGType8; +typedef u16 REGType16; +typedef u32 REGType32; +typedef u64 REGType64; + +typedef vu8 REGType8v; +typedef vu16 REGType16v; +typedef vu32 REGType32v; +typedef vu64 REGType64v; + typedef int BOOL; #define TRUE 1 #define FALSE 0 diff --git a/arm9/lib/src/OS_alloc.c b/arm9/lib/src/OS_alloc.c index 242c5571..e883656e 100644 --- a/arm9/lib/src/OS_alloc.c +++ b/arm9/lib/src/OS_alloc.c @@ -2,9 +2,9 @@ // Created by mart on 4/23/20.
//
#include "function_target.h"
-#include "os_alloc.h"
+#include "OS_alloc.h"
#include "consts.h"
-#include "os_system.h"
+#include "OS_system.h"
void* OSiHeapInfo[OS_ARENA_MAX];
diff --git a/arm9/lib/src/OS_arena.c b/arm9/lib/src/OS_arena.c index 58b338f1..eb04e60b 100644 --- a/arm9/lib/src/OS_arena.c +++ b/arm9/lib/src/OS_arena.c @@ -3,8 +3,8 @@ //
#include "function_target.h"
#include "consts.h"
-#include "os_arena.h"
-#include "os_protectionRegion.h"
+#include "OS_arena.h"
+#include "OS_protectionRegion.h"
extern u32 OS_GetConsoleType();
extern BOOL OSi_MainExArenaEnabled;
diff --git a/arm9/lib/src/OS_entropy.c b/arm9/lib/src/OS_entropy.c new file mode 100644 index 00000000..b33781cc --- /dev/null +++ b/arm9/lib/src/OS_entropy.c @@ -0,0 +1,22 @@ +// +// Created by red031000 on 2020-05-03. +// + +#include "function_target.h" +#include "consts.h" +#include "OS_entropy.h" + +ARM_FUNC void OS_GetLowEntropyData(u32 * arr) +{ + const OSSystemWork* work = OS_GetSystemWork(); + const u8 * macAddress = (u8 *)((u32)(work->nvramUserInfo) + ((sizeof(NVRAMConfig) + 3) & ~3)); + arr[0] = (u32)((GX_GetVCount() << 16) | OS_GetTickLo()); + arr[1] = (u32)(*(u16 *)(macAddress + 4) << 16) ^ (u32)(OSi_TickCounter); + arr[2] = (u32)(OSi_TickCounter >> 32) ^ *(u32 *)macAddress ^ work->vblankCount; + arr[2] ^= reg_G3X_GXSTAT; + arr[3] = *(u32 *)(&work->real_time_clock[0]); + arr[4] = *(u32 *)(&work->real_time_clock[4]); + arr[5] = (((u32)work->mic_sampling_data) << 16) ^ work->mic_last_address; + arr[6] = (u32) ((*(u16 *)(&work->touch_panel[0]) << 16) | *(u16 *)(&work->touch_panel[2])); + arr[7] = (u32)((work->wm_rssi_pool << 16) | (reg_PAD_KEYINPUT | *(vu16 *)HW_BUTTON_XY_BUF)); +} diff --git a/arm9/lib/src/OS_init.c b/arm9/lib/src/OS_init.c new file mode 100644 index 00000000..90b01ffa --- /dev/null +++ b/arm9/lib/src/OS_init.c @@ -0,0 +1,38 @@ +// +// Created by mart on 4/12/20. +// + +#include "function_target.h" +#include "OS_init.h" + +extern void PXI_Init(); +extern void OS_InitLock(); +extern void OS_InitIrqTable(); +extern void OS_SetIrqStackChecker(); +extern void OS_InitException(); +extern void MI_Init(); +extern void OS_InitVAlarm(); +extern void OSi_InitVramExclusive(); +extern void OS_InitThread(); +extern void OS_InitReset(); +extern void CTRDG_Init(); +extern void CARD_Init(); +extern void PM_Init(); + +ARM_FUNC void OS_Init(void) { + OS_InitArena(); + PXI_Init(); + OS_InitLock(); + OS_InitArenaEx(); + OS_InitIrqTable(); + OS_SetIrqStackChecker(); + OS_InitException(); + MI_Init(); + OS_InitVAlarm(); + OSi_InitVramExclusive(); + OS_InitThread(); + OS_InitReset(); + CTRDG_Init(); + CARD_Init(); + PM_Init(); +} diff --git a/arm9/lib/src/OS_protectionRegion.c b/arm9/lib/src/OS_protectionRegion.c new file mode 100644 index 00000000..4d6cf974 --- /dev/null +++ b/arm9/lib/src/OS_protectionRegion.c @@ -0,0 +1,27 @@ +// +// Created by red031000 on 2020-04-24. +// + +#include "function_target.h" +#include "OS_protectionRegion.h" + +ARM_FUNC asm void OS_SetDPermissionsForProtectionRegion(register u32 setMask, register u32 flags) +{ + mrc p15, 0x0, r2, c5, c0, 0x2 + bic r2, r2, r0 + orr r2, r2, r1 + mcr p15, 0x0, r2, c5, c0, 0x2 + bx lr +} + +ARM_FUNC asm void OS_SetProtectionRegion1(u32 param) +{ + mcr p15, 0x0, r0, c6, c1, 0x0 + bx lr +} + +ARM_FUNC asm void OS_SetProtectionRegion2(u32 param) +{ + mcr p15, 0x0, r0, c6, c2, 0x0 + bx lr +} diff --git a/arm9/lib/src/OS_system.c b/arm9/lib/src/OS_system.c new file mode 100644 index 00000000..c2b08681 --- /dev/null +++ b/arm9/lib/src/OS_system.c @@ -0,0 +1,71 @@ +// +// Created by mart on 4/23/20. +// + +#include "function_target.h" +#include "OS_system.h" + +ARM_FUNC asm OSIntrMode OS_EnableInterrupts() { + mrs r0, cpsr + bic r1, r0, #HW_PSR_DISABLE_IRQ + msr cpsr_c, r1 + and r0, r0, #HW_PSR_DISABLE_IRQ + bx lr +} + +ARM_FUNC asm OSIntrMode OS_DisableInterrupts() { + mrs r0, cpsr + orr r1, r0, #HW_PSR_DISABLE_IRQ + msr cpsr_c, r1 + and r0, r0, #HW_PSR_DISABLE_IRQ + bx lr +} + +ARM_FUNC asm OSIntrMode OS_RestoreInterrupts(OSIntrMode state) { + mrs r1, cpsr + bic r2, r1, #HW_PSR_DISABLE_IRQ + orr r2, r2, r0 + msr cpsr_c, r2 + and r0, r1, #HW_PSR_DISABLE_IRQ + bx lr +} + +ARM_FUNC asm OSIntrMode OS_DisableInterrupts_IrqAndFiq() { + mrs r0, cpsr + orr r1, r0, #HW_PSR_DISABLE_IRQ_FIQ + msr cpsr_c, r1 + and r0, r0, #HW_PSR_DISABLE_IRQ_FIQ + bx lr +} + +ARM_FUNC asm OSIntrMode OS_RestoreInterrupts_IrqAndFiq(OSIntrMode state) { + mrs r1, cpsr + bic r2, r1, #HW_PSR_DISABLE_IRQ_FIQ + orr r2, r2, r0 + msr cpsr_c, r2 + and r0, r1, #HW_PSR_DISABLE_IRQ_FIQ + bx lr +} + +ARM_FUNC asm OSIntrMode OS_GetCpsrIrq() { + mrs r0, cpsr + and r0, r0, #HW_PSR_DISABLE_IRQ + bx lr +} + +ARM_FUNC asm OSProcMode OS_GetProcMode() { + mrs r0, cpsr + and r0, r0, #HW_PSR_CPU_MODE_MASK + bx lr +} + +ARM_FUNC asm void OS_SpinWait() { + subs r0, r0, #0x4 + bhs OS_SpinWait + bx lr +} + +ARM_FUNC void OS_WaitVBlankIntr() { + SVC_WaitByLoop(0x1); + OS_WaitIrq(TRUE, OS_IE_V_BLANK); +} |