mirror of
https://github.com/rvtr/twl_wrapsdk.git
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4b22fa6465
git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/twl_wrapsdk/trunk@9 4ee2a332-4b2b-5046-8439-1ba90f034370
287 lines
8.9 KiB
C
287 lines
8.9 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlSDK - libraries - OS
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File: os_irqTable.c
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Copyright 2007 Nintendo. All rights reserved.
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These coded instructions, statements, and computer programs contain
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proprietary information of Nintendo of America Inc. and/or Nintendo
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Company Ltd., and are protected by Federal copyright law. They may
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not be disclosed to third parties or copied or duplicated in any form,
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in whole or in part, without the prior written consent of Nintendo.
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$Log: $
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$NoKeywords: $
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*---------------------------------------------------------------------------*/
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#include <nitro/os.h>
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void OSi_IrqCallback(int dmaNo);
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void OSi_IrqTimer0(void);
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void OSi_IrqTimer1(void);
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void OSi_IrqTimer2(void);
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void OSi_IrqTimer3(void);
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void OSi_IrqDma0(void);
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void OSi_IrqDma1(void);
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void OSi_IrqDma2(void);
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void OSi_IrqDma3(void);
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#ifdef SDK_ARM7
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void OSi_IrqVBlank(void);
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#endif
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//---------------- Default jump table for IRQ interrupt
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#ifdef SDK_ARM9
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#include <nitro/dtcm_begin.h>
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#endif
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OSIrqFunction OS_IRQTable[OS_IRQ_TABLE_MAX] = {
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#ifdef SDK_ARM9
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OS_IrqDummy, // VBlank (for ARM9)
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#else
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OSi_IrqVBlank, // VBlank (for ARM7)
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#endif
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OS_IrqDummy, // HBlank
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OS_IrqDummy, // VCounter
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OSi_IrqTimer0, // timer0
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OSi_IrqTimer1, // timer1
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OSi_IrqTimer2, // timer2
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OSi_IrqTimer3, // timer3
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OS_IrqDummy, // serial communication (will not occur)
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OSi_IrqDma0, // DMA0
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OSi_IrqDma1, // DMA1
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OSi_IrqDma2, // DMA2
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OSi_IrqDma3, // DMA3
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OS_IrqDummy, // key
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OS_IrqDummy, // cartridge
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OS_IrqDummy, // (not used)
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OS_IrqDummy, // (not used)
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OS_IrqDummy, // sub processor
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OS_IrqDummy, // sub processor send FIFO empty
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OS_IrqDummy, // sub processor receive FIFO not empty
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OS_IrqDummy, // card data transfer finish
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OS_IrqDummy, // card IREQ
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#ifdef SDK_ARM9
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OS_IrqDummy, // geometry command FIFO
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OS_IrqDummy, // (not used)
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OS_IrqDummy, // (not used)
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OS_IrqDummy, // DSP
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OS_IrqDummy, // CAM
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#else
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OS_IrqDummy, // (not used)
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OS_IrqDummy, // Power Management IC
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OS_IrqDummy, // SPI data transfer
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OS_IrqDummy, // Wireless module
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OS_IrqDummy, // (not used)
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#endif
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OS_IrqDummy, // card B data transfer finish
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OS_IrqDummy, // card B IREQ
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OS_IrqDummy, // DMA4
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OS_IrqDummy, // DMA5
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OS_IrqDummy, // DMA6
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OS_IrqDummy, // DMA7
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#ifdef SDK_ARM7
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OS_IrqDummy, // GPIO18_0
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OS_IrqDummy, // GPIO18_1
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OS_IrqDummy, // GPIO18_2
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OS_IrqDummy, // (not used)
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OS_IrqDummy, // GPIO33_0
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OS_IrqDummy, // GPIO33_1
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OS_IrqDummy, // GPIO33_2
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OS_IrqDummy, // GPIO33_3
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OS_IrqDummy, // Memory SD
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OS_IrqDummy, // Memory SDIO
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OS_IrqDummy, // New wireless SD
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OS_IrqDummy, // New wireless SDIO
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OS_IrqDummy, // I2C
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OS_IrqDummy, // AES
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OS_IrqDummy, // MIC
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#endif
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};
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#ifdef SDK_ARM9
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#include <nitro/dtcm_end.h>
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#endif
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#if defined(SDK_TCM_APPLY) && defined(SDK_ARM9)
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#include <nitro/dtcm_begin.h>
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#endif
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//---------------- Jump table for DMA & TIMER & VBLANK interrupts
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OSIrqCallbackInfo OSi_IrqCallbackInfo[OSi_IRQCALLBACK_NUM] = {
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{NULL, 0, 0,}, // dma0
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{NULL, 0, 0,}, // dma1
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{NULL, 0, 0,}, // dma2
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{NULL, 0, 0,}, // dma3
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{NULL, 0, 0,}, // timer0
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{NULL, 0, 0,}, // timer1
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{NULL, 0, 0,}, // timer2
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{NULL, 0, 0,}, // timer3
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#ifdef SDK_ARM7
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{NULL, 0, 0,} // vblank
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#endif
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};
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//----------------
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static u16 OSi_IrqCallbackInfoIndex[OSi_IRQCALLBACK_NUM] = {
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REG_OS_IE_D0_SHIFT, REG_OS_IE_D1_SHIFT, REG_OS_IE_D2_SHIFT, REG_OS_IE_D3_SHIFT,
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REG_OS_IE_T0_SHIFT, REG_OS_IE_T1_SHIFT, REG_OS_IE_T2_SHIFT, REG_OS_IE_T3_SHIFT,
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#ifdef SDK_ARM7
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REG_OS_IE_VB_SHIFT
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#endif
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};
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#if defined(SDK_TCM_APPLY) && defined(SDK_ARM9)
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#include <nitro/dtcm_end.h>
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#endif
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#if defined(SDK_TCM_APPLY) && defined(SDK_ARM9)
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#include <nitro/itcm_begin.h>
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#endif
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/*---------------------------------------------------------------------------*
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Name: OS_IrqDummy
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Description: Dummy interrupt handler
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Arguments: None.
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Returns: None.
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*---------------------------------------------------------------------------*/
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void OS_IrqDummy(void)
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{
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// do nothing
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}
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/*---------------------------------------------------------------------------*
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Name: OSi_IrqCallback
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Description: System interrupt handler
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Arguments: system irq index
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Returns: None.
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*---------------------------------------------------------------------------*/
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void OSi_IrqCallback(int index)
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{
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OSIrqMask imask = (1UL << OSi_IrqCallbackInfoIndex[index]);
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void (*callback) (void *) = OSi_IrqCallbackInfo[index].func;
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//OS_Printf( "irq %d\n", index );
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//---- clear callback
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OSi_IrqCallbackInfo[index].func = NULL;
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//---- call callback
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if (callback)
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{
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(callback) (OSi_IrqCallbackInfo[index].arg);
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}
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//---- check IRQMask
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OS_SetIrqCheckFlag(imask);
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//---- restore IRQEnable
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if (!OSi_IrqCallbackInfo[index].enable)
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{
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(void)OS_DisableIrqMask(imask);
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}
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}
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/*---------------------------------------------------------------------------*
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Name: OSi_IrqDma0 - OSi_IrqDma3
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Description: DMA0 - DMA3 interrupt handler
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Arguments: None.
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Returns: None.
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*---------------------------------------------------------------------------*/
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void OSi_IrqDma0(void)
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{
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OSi_IrqCallback(OSi_IRQCALLBACK_NO_DMA0);
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}
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/*- - - - - - - - - - - - - - - - - - - - - - - */
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void OSi_IrqDma1(void)
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{
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OSi_IrqCallback(OSi_IRQCALLBACK_NO_DMA1);
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}
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/*- - - - - - - - - - - - - - - - - - - - - - - */
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void OSi_IrqDma2(void)
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{
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OSi_IrqCallback(OSi_IRQCALLBACK_NO_DMA2);
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}
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/*- - - - - - - - - - - - - - - - - - - - - - - */
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void OSi_IrqDma3(void)
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{
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OSi_IrqCallback(OSi_IRQCALLBACK_NO_DMA3);
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}
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/*---------------------------------------------------------------------------*
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Name: OSi_IrqTimer0 - OSi_IrqTimer3
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Description: TIMER0 - TIMER3 interrupt handler
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Arguments: None.
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Returns: None.
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*---------------------------------------------------------------------------*/
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/*- - - - - - - - - - - - - - - - - - - - - - - */
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void OSi_IrqTimer0(void)
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{
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OSi_IrqCallback(OSi_IRQCALLBACK_NO_TIMER0);
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}
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/*- - - - - - - - - - - - - - - - - - - - - - - */
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void OSi_IrqTimer1(void)
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{
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OSi_IrqCallback(OSi_IRQCALLBACK_NO_TIMER1);
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}
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/*- - - - - - - - - - - - - - - - - - - - - - - */
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void OSi_IrqTimer2(void)
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{
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OSi_IrqCallback(OSi_IRQCALLBACK_NO_TIMER2);
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}
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/*- - - - - - - - - - - - - - - - - - - - - - - */
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void OSi_IrqTimer3(void)
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{
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OSi_IrqCallback(OSi_IRQCALLBACK_NO_TIMER3);
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}
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#if defined(SDK_TCM_APPLY) && defined(SDK_ARM9)
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#include <nitro/itcm_end.h>
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#endif
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/*---------------------------------------------------------------------------*
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Name: OSi_VBlank
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Description: VBLANK interrupt handler (for ARM7)
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Arguments: None.
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Returns: None.
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*---------------------------------------------------------------------------*/
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#ifdef SDK_ARM7
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void OSi_IrqVBlank(void)
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{
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void (*callback) (void) =
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(void (*)(void))OSi_IrqCallbackInfo[OSi_IRQCALLBACK_NO_VBLANK].func;
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//---- vblank counter
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(*(u32 *)HW_VBLANK_COUNT_BUF)++;
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//---- call callback
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if (callback)
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{
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(callback) ();
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}
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//---- check IRQMask
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OS_SetIrqCheckFlag(1UL << REG_OS_IE_VB_SHIFT);
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}
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#endif
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