diff --git a/build/buildtools/commondefs b/build/buildtools/commondefs index 69de4cc8..be1d1c67 100644 --- a/build/buildtools/commondefs +++ b/build/buildtools/commondefs @@ -163,7 +163,7 @@ ifeq ($(CODEGEN_PROC),ARM9) FIRM_LIBS_BASE ?= \ libos \ -# libmi \ + libmi \ # libgcd \ # libacsign \ diff --git a/build/libraries/Makefile b/build/libraries/Makefile index d8e78789..b2d6b7dd 100644 --- a/build/libraries/Makefile +++ b/build/libraries/Makefile @@ -23,9 +23,9 @@ include $(TWLFIRM_ROOT)/build/buildtools/commondefs SUBDIRS = \ os \ + mi \ + init \ # syscall \ -# init \ -# mi \ # nvram \ # gcd \ # aes \ diff --git a/build/libraries/init/ARM7/Makefile b/build/libraries/init/ARM7/Makefile new file mode 100644 index 00000000..13b5e909 --- /dev/null +++ b/build/libraries/init/ARM7/Makefile @@ -0,0 +1,58 @@ +#! make -f +#---------------------------------------------------------------------------- +# Project: TwlIPL - libraries - init +# File: Makefile +# +# Copyright 2007 Nintendo. All rights reserved. +# +# These coded instructions, statements, and computer programs contain +# proprietary information of Nintendo of America Inc. and/or Nintendo +# Company Ltd., and are protected by Federal copyright law. They may +# not be disclosed to third parties or copied or duplicated in any form, +# in whole or in part, without the prior written consent of Nintendo. +# +# $Date:: $ +# $Rev:$ +# $Author:$ +#---------------------------------------------------------------------------- + +SUBDIRS = +#SUBMAKES = Makefile.CALLTRACE \ +# Makefile.FUNCTIONCOST + +#---------------------------------------------------------------------------- + +# build ARM & THUMB libraries +FIRM_CODEGEN_ALL ?= TRUE + +# Codegen for sub processer +FIRM_PROC = ARM7 + +SRCS = crt0.c \ + +TARGET_OBJ = crt0.o + + +#---------------------------------------------------------------------------- + +# DEBUG版ビルドの場合、RELEASE版でビルドして +# DEBUG版のライブラリを装います。 + +ifdef NITRO_DEBUG +NITRO_BUILD_TYPE = RELEASE +endif + +include $(TWLFIRM_ROOT)/build/buildtools/commondefs + +INSTALL_TARGETS = $(TARGETS) +INSTALL_DIR = $(FIRM_INSTALL_LIBDIR) + + +#---------------------------------------------------------------------------- + +do-build: $(TARGETS) + +include $(TWLFIRM_ROOT)/build/buildtools/modulerules + + +#===== End of Makefile ===== diff --git a/build/libraries/init/ARM7/crt0.c b/build/libraries/init/ARM7/crt0.c new file mode 100644 index 00000000..622fe8c9 --- /dev/null +++ b/build/libraries/init/ARM7/crt0.c @@ -0,0 +1,266 @@ +/*---------------------------------------------------------------------------* + Project: TwlIPL - libraries - init + File: crt0.c + + Copyright 2007 Nintendo. All rights reserved. + + These coded instructions, statements, and computer programs contain + proprietary information of Nintendo of America Inc. and/or Nintendo + Company Ltd., and are protected by Federal copyright law. They may + not be disclosed to third parties or copied or duplicated in any form, + in whole or in part, without the prior written consent of Nintendo. + + $Date:: $ + $Rev$ + $Author$ + *---------------------------------------------------------------------------*/ +#include +#include + +extern void TwlMain(void); +extern void OS_IrqHandler(void); +extern void *const _start_ModuleParams[]; +static void do_autoload(void); +static void detect_main_memory_size(void); +void _start(void); +void _start_AutoloadDoneCallback(void *argv[]); + +extern void __call_static_initializers(void); +extern void _fp_init(void); + +// from LCF +extern unsigned long SDK_IRQ_STACKSIZE[]; +extern void SDK_STATIC_BSS_START(void); // static bss start address +extern void SDK_STATIC_BSS_END(void); // static bss start address +extern void SDK_AUTOLOAD_START(void); // autoload data will start from here +extern void SDK_AUTOLOAD_LIST(void); // start pointer to autoload information +extern void SDK_AUTOLOAD_LIST_END(void); // end pointer to autoload information + +// volatile parameters in IPL's work memory +#define IPL_PARAM_CARD_ROM_HEADER 0x023FE940 +#define IPL_PARAM_DOWNLOAD_PARAMETER 0x023FE904 + +//---- IRQ+SVC stack size in boot (this area is not cleared) +#define INITi_Initial_Stack 0x100 + +/*---------------------------------------------------------------------------* + Name: _start + + Description: Start up + + Arguments: None + + Returns: None. + *---------------------------------------------------------------------------*/ +SDK_WEAK_SYMBOL asm void _start( void ) +{ + //---- set IME = 0 + // ( use that LSB of HW_REG_BASE equal to 0 ) + mov r12, #HW_REG_BASE + str r12, [r12, #REG_IME_OFFSET] + + //---- initialize stack pointer + // SVC mode + mov r0, #HW_PSR_SVC_MODE + msr cpsr_c, r0 + ldr sp, =HW_PRV_WRAM_SVC_STACK_END + + // IRQ mode + mov r0, #HW_PSR_IRQ_MODE + msr cpsr_c, r0 + ldr r0, =HW_PRV_WRAM_IRQ_STACK_END + mov sp, r0 + + // System mode + ldr r1, =SDK_IRQ_STACKSIZE + sub r1, r0, r1 + mov r0, #HW_PSR_SYS_MODE + msr cpsr_csfx, r0 + sub sp, r1, #4 // 4byte for stack check code + +#if 0 + // move parameters from IPL's work memory to shared area + ldr r0, =IPL_PARAM_CARD_ROM_HEADER + ldr r1, =HW_CARD_ROM_HEADER + add r2, r1, #HW_CARD_ROM_HEADER_SIZE +@1_1: + ldr r3, [r0], #4 + str r3, [r1], #4 + cmp r1, r2 + bmi @1_1 + ldr r0, =IPL_PARAM_DOWNLOAD_PARAMETER + add r2, r1, #HW_DOWNLOAD_PARAMETER_SIZE +@1_2: + ldr r3, [r0], #4 + str r3, [r1], #4 + cmp r1, r2 + bmi @1_2 +#endif + + //---- load autoload block and initialize bss + bl do_autoload + + //---- fill static static bss with 0 + ldr r0, =_start_ModuleParams + ldr r1, [r0, #12] // BSS segment start + ldr r2, [r0, #16] // BSS segment end + mov r0, #0 +@2: cmp r1, r2 + strcc r0, [r1], #4 + bcc @2 + + //---- detect main memory size + bl detect_main_memory_size + + //---- set interrupt vector + ldr r1, =HW_INTR_VECTOR_BUF + ldr r0, =OS_IrqHandler + str r0, [r1, #0] + +#ifndef SDK_NOINIT + //---- for C++ + bl _fp_init + bl TwlSpStartUp + bl __call_static_initializers +#endif + + //---- start (to 16bit code) + ldr r1, =TwlSpMain + ldr lr, =HW_RESET_VECTOR + + bx r1 +} + +/*---------------------------------------------------------------------------* + Name: do_autoload + + Description: put autoload data block according to autoload information, + and clear static bss by filling with 0. + + Arguments: None. + + Returns: None. + *---------------------------------------------------------------------------*/ +void *const _start_ModuleParams[] = { + (void *)SDK_AUTOLOAD_LIST, + (void *)SDK_AUTOLOAD_LIST_END, + (void *)SDK_AUTOLOAD_START, + (void *)SDK_STATIC_BSS_START, + (void *)SDK_STATIC_BSS_END, +}; + +static asm void do_autoload( void ) +{ +#define ptable r0 +#define infop r1 +#define infop_end r2 +#define src r3 +#define dest r4 +#define dest_size r5 +#define dest_end r6 +#define tmp r7 + + ldr ptable, =_start_ModuleParams + ldr infop, [ptable, #0] // r1 = start pointer to autoload_info + ldr infop_end, [ptable, #4] // r2 = end pointer to autoload_info + ldr src, [ptable, #8] // r3 = autoload block + + //---- put each blocks according to autoload information +@2: + cmp infop, infop_end // reach to end? + beq @skipout + + ldr dest, [infop], #4 // dest + ldr dest_size, [infop], #4 // size + add dest_end, dest, dest_size // dest_end +#if 1 + mov dest, dest_end +#else +@1: + cmp dest, dest_end + ldrmi tmp, [src], #4 // [dest++] <- [src++] + strmi tmp, [dest], #4 + bmi @1 +#endif + //---- fill bss with 0 + ldr dest_size, [infop], #4 // size + add dest_end, dest, dest_size // bss end + mov tmp, #0 +@4: + cmp dest, dest_end + strcc tmp, [dest], #4 + bcc @4 + beq @2 + +@skipout: + // r0 = autoload_params + b _start_AutoloadDoneCallback // Jump into the callback +} + +/*---------------------------------------------------------------------------* + Name: _start_AutoloadDoneCallback + + Description: hook for end of autoload (This is dummy target for DEBUGGER) + + Arguments: argv: pointer for autoload parameters + argv[0] = SDK_AUTOLOAD_LIST + argv[1] = SDK_AUTOLOAD_LIST_END + argv[2] = SDK_AUTOLOAD_START + argv[3] = SDK_STATIC_BSS_START + argv[4] = SDK_STATIC_BSS_END + + Returns: None. + *---------------------------------------------------------------------------*/ +SDK_WEAK_SYMBOL asm void _start_AutoloadDoneCallback( void* argv[] ) +{ + bx lr +} + +/*---------------------------------------------------------------------------* + Name: detect_main_memory_size + + Description: detect main memory size. + result is written into (u32*)HW_MMEMCHECKER_SUB. + value is [OS_CONSOLE_SIZE_4MB|OS_CONSOLE_SIZE_8MB] + + Arguments: None. + + Returns: None. + *---------------------------------------------------------------------------*/ +#define OSi_IMAGE_DIFFERENCE 0x400000 + +static asm void detect_main_memory_size( void ) +{ + mov r0, #OS_CONSOLE_SIZE_4MB + mov r1, #0 + + ldr r2, =HW_MMEMCHECKER_SUB + sub r3, r2, #OSi_IMAGE_DIFFERENCE +@1: + strh r1, [r2] + ldrh r12, [r3] + cmp r1, r12 + + movne r0, #OS_CONSOLE_SIZE_8MB + bne @2 + + add r1, r1, #1 + cmp r1, #2 // check 2 loop + bne @1 +@2: + strh r0, [r2] + bx lr +} + +/*---------------------------------------------------------------------------* + Name: TwlSpStartUp + + Description: hook for user start up + + Arguments: None + + Returns: None. + *---------------------------------------------------------------------------*/ +SDK_WEAK_SYMBOL void TwlSpStartUp(void) +{ +} diff --git a/build/libraries/init/ARM9/Makefile b/build/libraries/init/ARM9/Makefile new file mode 100644 index 00000000..b1a36ef7 --- /dev/null +++ b/build/libraries/init/ARM9/Makefile @@ -0,0 +1,54 @@ +#! make -f +#---------------------------------------------------------------------------- +# Project: TwlIPL - libraries - init +# File: Makefile +# +# Copyright 2007 Nintendo. All rights reserved. +# +# These coded instructions, statements, and computer programs contain +# proprietary information of Nintendo of America Inc. and/or Nintendo +# Company Ltd., and are protected by Federal copyright law. They may +# not be disclosed to third parties or copied or duplicated in any form, +# in whole or in part, without the prior written consent of Nintendo. +# +# $Date:: $ +# $Rev:$ +# $Author:$ +#---------------------------------------------------------------------------- + +SUBDIRS = +#SUBMAKES = Makefile.CALLTRACE \ +# Makefile.FUNCTIONCOST + +#---------------------------------------------------------------------------- + +# build ARM & THUMB libraries +FIRM_CODEGEN_ALL ?= TRUE + +SRCS = crt0.c \ + +TARGET_OBJ = crt0.o + +#---------------------------------------------------------------------------- + +# DEBUG版ビルドの場合、RELEASE版でビルドして +# DEBUG版のライブラリを装います。 + +ifdef NITRO_DEBUG +NITRO_BUILD_TYPE = RELEASE +endif + +include $(TWLFIRM_ROOT)/build/buildtools/commondefs + +INSTALL_TARGETS = $(TARGETS) +INSTALL_DIR = $(FIRM_INSTALL_LIBDIR) + + +#---------------------------------------------------------------------------- + +do-build: $(TARGETS) + +include $(TWLFIRM_ROOT)/build/buildtools/modulerules + + +#===== End of Makefile ===== diff --git a/build/libraries/init/ARM9/crt0.c b/build/libraries/init/ARM9/crt0.c new file mode 100644 index 00000000..56ed70d4 --- /dev/null +++ b/build/libraries/init/ARM9/crt0.c @@ -0,0 +1,647 @@ +/*---------------------------------------------------------------------------* + Project: TwlIPL - libraries - init + File: crt0.c + + Copyright 2007 Nintendo. All rights reserved. + + These coded instructions, statements, and computer programs contain + proprietary information of Nintendo of America Inc. and/or Nintendo + Company Ltd., and are protected by Federal copyright law. They may + not be disclosed to third parties or copied or duplicated in any form, + in whole or in part, without the prior written consent of Nintendo. + + $Date:: $ + $Rev$ + $Author$ + *---------------------------------------------------------------------------*/ +#include +#include + +extern void TwlMain(void); +extern void OS_IrqHandler(void); +static void do_autoload(void); +static void init_cp15(void); +void _start(void); +static void INITi_CpuClear32(register u32 data, register void *destp, register u32 size); +extern void *const _start_ModuleParams[]; +void _start_AutoloadDoneCallback(void *argv[]); + +extern void __call_static_initializers(void); +extern void _fp_init(void); + +// from LCF +extern unsigned long SDK_IRQ_STACKSIZE[]; +extern void SDK_AUTOLOAD_START(void); // autoload data will start from here +extern void SDK_AUTOLOAD_LIST(void); // start pointer to autoload information +extern void SDK_AUTOLOAD_LIST_END(void); // end pointer to autoload information +extern void SDK_STATIC_BSS_START(void); // static bss start address +extern void SDK_STATIC_BSS_END(void); // static bss end address + +#include +#define SDK_VERSION_ID ((u32)SDK_VERSION_MAJOR<<24|\ + (u32)SDK_VERSION_MINOR<<16|\ + (u32)SDK_VERSION_RELSTEP) + +#define SDK_NITROCODE_LE 0x2106c0de +#define SDK_NITROCODE_BE 0xdec00621 + + +/*---------------------------------------------------------------------------* + Name: _start + + Description: Start up + + Arguments: None + + Returns: None. + *---------------------------------------------------------------------------*/ +#define INITi_HW_DTCM SDK_AUTOLOAD_DTCM_START + +SDK_WEAK_SYMBOL asm void _start( void ) +{ + //---- set IME = 0 + // ( use that LSB of HW_REG_BASE equal to 0 ) + mov r12, #HW_REG_BASE + str r12, [r12, #REG_IME_OFFSET] + + //---- initialize Main Memory + bl MIi_InitMainMemCR + + //---- initialize cp15 + bl init_cp15 + + //---- initialize stack pointer + // SVC mode + mov r0, #HW_PSR_SVC_MODE + msr cpsr_c, r0 + ldr r0, =INITi_HW_DTCM + add r0, r0, #0x3fc0 + mov sp, r0 + + // IRQ mode + mov r0, #HW_PSR_IRQ_MODE + msr cpsr_c, r0 + ldr r0, =INITi_HW_DTCM + add r0, r0, #0x3fc0 + sub r0, r0, #HW_SVC_STACK_SIZE + sub sp, r0, #4 // 4byte for stack check code + tst sp, #4 + subeq sp, sp, #4 // for 8byte-alignment + + // System mode + ldr r1, =SDK_IRQ_STACKSIZE + sub r1, r0, r1 + mov r0, #HW_PSR_SYS_MODE + msr cpsr_csfx, r0 + sub sp, r1, #4 // 4byte for stack check code + + //---- clear memory + // DTCM (16KB) + mov r0, #0 + ldr r1, =INITi_HW_DTCM + mov r2, #HW_DTCM_SIZE + bl INITi_CpuClear32 + + // BG/OBJ palette (1KB) + mov r0, #0 + ldr r1, =HW_PLTT + mov r2, #HW_PLTT_SIZE + bl INITi_CpuClear32 + + // OAM (1KB) + mov r0, #0x0200 + ldr r1, =HW_OAM + mov r2, #HW_OAM_SIZE + bl INITi_CpuClear32 + + //---- load autoload block and initialize bss + ldr r1, =_start_ModuleParams + ldr r0, [r1, #20] // r0 = bottom of compressed data + bl MIi_UncompressBackward + bl do_autoload + + //---- fill static static bss with 0 + ldr r0, =_start_ModuleParams + ldr r1, [r0, #12] // BSS segment start + ldr r2, [r0, #16] // BSS segment end + mov r3, r1 // for next step(flush bss) + mov r0, #0 +@1: cmp r1, r2 + strcc r0, [r1], #4 + bcc @1 + + //---- flush static bss region + // (r0 == #0, r3 == _start_ModuleParams::BSS_segment_start) + bic r1, r3, #HW_CACHE_LINE_SIZE - 1 +@cacheflush: + mcr p15, 0, r0, c7, c10, 4 // wait writebuffer empty + mcr p15, 0, r1, c7, c5, 1 // ICache + mcr p15, 0, r1, c7, c14, 1 // DCache + add r1, r1, #HW_CACHE_LINE_SIZE + cmp r1, r2 + blt @cacheflush + + // print buffer (used for ARM7's printing) + ldr r1, =HW_COMPONENT_PARAM + str r0, [r1, #0] + + //---- set interrupt vector + ldr r1, =INITi_HW_DTCM + add r1, r1, #0x3fc0 + add r1, r1, #HW_DTCM_SYSRV_OFS_INTR_VECTOR + ldr r0, =OS_IrqHandler + str r0, [r1, #0] + +#ifndef SDK_NOINIT + //---- for C++ + bl _fp_init + bl TwlStartUp + bl __call_static_initializers +#endif + //---- start (to 16bit code) + ldr r1, =TwlMain + ldr lr, =HW_RESET_VECTOR + + tst sp, #4 + subne sp, sp, #4 // for 8byte-alignment + bx r1 +} + + +/*---------------------------------------------------------------------------* + Name: INITi_CpuClear32 + + Description: fill memory with specified data. + 32bit version + + Arguments: data : fill data + destp : destination address + size : size (byte) + + Returns: None + *---------------------------------------------------------------------------*/ +static asm void INITi_CpuClear32( register u32 data, register void *destp, register u32 size ) +{ + add r12, r1, r2 // r12: destEndp = destp + size +@20: + cmp r1, r12 // while (destp < destEndp) + stmltia r1!, {r0} // *((vu32 *)(destp++)) = data + blt @20 + bx lr +} + + +/*---------------------------------------------------------------------------* + Name: _start_ModuleParams + + Description: autoload/compress/arguments data block + + Arguments: None. + + Returns: None. + *---------------------------------------------------------------------------*/ +void *const _start_ModuleParams[] = { + (void *)SDK_AUTOLOAD_LIST, + (void *)SDK_AUTOLOAD_LIST_END, + (void *)SDK_AUTOLOAD_START, + (void *)SDK_STATIC_BSS_START, + (void *)SDK_STATIC_BSS_END, + (void *)0, // CompressedStaticEnd + (void *)SDK_VERSION_ID, // SDK version info + (void *)SDK_NITROCODE_BE, // Checker 1 + (void *)SDK_NITROCODE_LE, // Checker 2 +}; + +/*---------------------------------------------------------------------------* + Name: MIi_UncompressBackward + + Description: Uncompress special archive for module compression + + Arguments: bottom = Bottom adrs of packed archive + 1 + bottom[-8..-6] = offset for top of compressed data + inp_top = bottom - bottom[-8..-6] + bottom[-5] = offset for bottom of compressed data + inp = bottom - bottom[-5] + bottom[-4..-1] = offset for bottom of original data + outp = bottom + bottom[-4..-1] + + typedef struct + { + u32 bufferTop:24; + u32 compressBottom:8; + u32 originalBottom; + } CompFooter; + + Returns: None. + *---------------------------------------------------------------------------*/ +asm void MIi_UncompressBackward( register void* bottom ) +{ +#define data r0 +#define inp_top r1 +#define outp r2 +#define inp r3 +#define outp_save r4 +#define flag r5 +#define count8 r6 +#define index r7 +#define len r12 + cmp bottom, #0 + beq @exit + stmfd sp!, {r4-r7} + ldmdb bottom, {r1-r2} + add outp, bottom, outp + sub inp, bottom, inp_top, LSR #24 + bic inp_top, inp_top, #0xff000000 + sub inp_top, bottom, inp_top + mov outp_save, outp +@loop: + cmp inp, inp_top // exit if inp==inp_top + ble @end_loop + ldrb flag, [inp, #-1]! // r4 = compress_flag = *--inp + mov count8, #8 +@loop8: + subs count8, count8, #1 + blt @loop + tst flag, #0x80 + bne @blockcopy +@bytecopy: + ldrb data, [inp, #-1]! +#ifdef SDK_TEG + sub outp, outp, #1 + swpb data, data, [outp] +#else + strb data, [outp, #-1]! // Copy 1 byte +#endif + b @joinhere +@blockcopy: + ldrb len, [inp, #-1]! + ldrb index, [inp, #-1]! + orr index, index, len, LSL #8 + bic index, index, #0xf000 + add index, index, #0x0002 + add len, len, #0x0020 +@patterncopy: + ldrb data, [outp, index] +#ifdef SDK_TEG + sub outp, outp, #1 + swpb data, data, [outp] +#else + strb data, [outp, #-1]! +#endif + subs len, len, #0x0010 + bge @patterncopy + +@joinhere: + cmp inp, inp_top + mov flag, flag, LSL #1 + bgt @loop8 +@end_loop: + + // DC_FlushRange & IC_InvalidateRange + mov r0, #0 + bic inp, inp_top, #HW_CACHE_LINE_SIZE - 1 +@cacheflush: + mcr p15, 0, r0, c7, c10, 4 // wait writebuffer empty + mcr p15, 0, inp, c7, c5, 1 // ICache + mcr p15, 0, inp, c7, c14, 1 // DCache + add inp, inp, #HW_CACHE_LINE_SIZE + cmp inp, outp_save + blt @cacheflush + + ldmfd sp!, {r4-r7} +@exit bx lr +} + + +/*---------------------------------------------------------------------------* + Name: do_autoload + + Description: put autoload data block according to autoload information, + and clear static bss by filling with 0. + + Arguments: None. + + Returns: None. + *---------------------------------------------------------------------------*/ +static asm void do_autoload( void ) +{ +#define ptable r0 +#define infop r1 +#define infop_end r2 +#define src r3 +#define dest r4 +#define dest_begin r5 +#define dest_end r6 +#define tmp r7 + + ldr ptable, =_start_ModuleParams + ldr infop, [ptable, #0] // r1 = start pointer to autoload_info + ldr infop_end, [ptable, #4] // r2 = end pointer to autoload_info + ldr src, [ptable, #8] // r3 = autoload block + +@2: + cmp infop, infop_end // reach to end? + beq @skipout + + ldr dest_begin,[infop], #4 // dest_begin + ldr tmp, [infop], #4 // size + add dest_end, dest_begin, tmp // dest_end + mov dest, dest_begin // dest working pointer +#if 1 + mov dest, dest_end +#else +@1: + cmp dest, dest_end + ldrmi tmp, [src], #4 // [dest++] <- [src++] + strmi tmp, [dest], #4 + bmi @1 +#endif + + //---- fill bss with 0 + ldr tmp, [infop], #4 // size + add dest_end, dest, tmp // bss end + mov tmp, #0 +@3: + cmp dest, dest_end + strcc tmp, [dest], #4 + bcc @3 + + //---- cache work (DC_FlushRange & IC_InvalidateRange) + bic dest, dest_begin, #HW_CACHE_LINE_SIZE - 1 +@cacheflush: + mcr p15, 0, dest, c7, c5, 1 // ICache + mcr p15, 0, dest, c7, c14, 1 // DCache + add dest, dest, #HW_CACHE_LINE_SIZE + cmp dest, dest_end + blt @cacheflush + + b @2 + + // wait writebuffer empty + mcr p15, 0, tmp, c7, c10, 4 + +@skipout: + // r0 = _start_ModuleParams + b _start_AutoloadDoneCallback // Jump into the callback +} + +/*---------------------------------------------------------------------------* + Name: _start_AutoloadDoneCallback + + Description: hook for end of autoload (This is dummy target for DEBUGGER) + + Arguments: argv: pointer for autoload parameters + argv[0] = SDK_AUTOLOAD_LIST + argv[1] = SDK_AUTOLOAD_LIST_END + argv[2] = SDK_AUTOLOAD_START + argv[3] = SDK_STATIC_BSS_START + argv[4] = SDK_STATIC_BSS_END + + Returns: None. + *---------------------------------------------------------------------------*/ +SDK_WEAK_SYMBOL asm void _start_AutoloadDoneCallback( void* argv[] ) +{ + bx lr +} + +//----------------------------------------------------------------------- +// システム制御コプロセッサ 初期化 +//----------------------------------------------------------------------- +static asm void init_cp15(void) +{ + // プロテクションユニット/キャッシュ/TCM ディセーブル + + mrc p15, 0, r0, c1, c0, 0 + ldr r1, =HW_C1_ICACHE_ENABLE | HW_C1_DCACHE_ENABLE \ + | HW_C1_ITCM_ENABLE | HW_C1_DTCM_ENABLE \ + | HW_C1_ITCM_LOAD_MODE | HW_C1_DTCM_LOAD_MODE \ + | HW_C1_LD_INTERWORK_DISABLE \ + | HW_C1_PROTECT_UNIT_ENABLE + bic r0, r0, r1 + mcr p15, 0, r0, c1, c0, 0 + + // キャッシュ無効化 + mov r0, #0 + mcr p15, 0, r0, c7, c5, 0 // 命令キャッシュ + mcr p15, 0, r0, c7, c6, 0 // データキャッシュ + + // ライトバッファ エンプティ待ち + mcr p15, 0, r0, c7, c10, 4 + +/* +; Region G: BACK_GROUND: Base = 0x0, Size = 4GB, I:NC NB / D:NC NB, I:NA / D:NA +; Region 0: IO_VRAM: Base = 0x04000000, Size = 64MB, I:NC NB / D:NC NB, I:RW / D:RW +; Region 1Rel: MAIN_MEM+WRAM: Base = 0x02000000, Size = 32MB*, I:Cach Buf / D:Cach Buf, I:RW / D:RW +; Region 1Dbg: MAIN_MEM+WRAM: Base = 0x02000000, Size = 32MB, I:Cach Buf / D:Cach Buf, I:RW / D:RW +; (* Size will be arranged in OS_InitArena(). ) +; Region 2Rel: SOUND_DATA: Base = 0x02380000, Size = 512KB, I:NC NB / D:NC NB, I:NA / D:NA +; Region 2D4M: SOUND_DATA: Base = 0x02300000, Size = 1MB, I:NC NB / D:NC NB, I:NA / D:NA +; Region 2D8M: SOUND_DATA: Base = 0x02600000, Size = 2MB, I:NC NB / D:NC NB, I:NA / D:NA +; Region 3: MAIN_MEM_HI: Base = 0x08000000, Size = 256MB, I:Cach Buf / D:Cach Buf, I:RW / D:RW +; Region 3: CARTRIDGE: Base = 0x08000000, Size = 128MB, I:NC NB / D:NC NB, I:NA / D:RW +; Region 4: DTCM: Base = SOUND_DATA, Size = 16KB, I:NC NB / D:NC NB, I:NA / D:RW +; Region 5: ITCM: Base = 0x01000000, Size = 16MB, I:NC NB / D:NC NB, I:RW / D:RW + +; Region 6: BIOS: Base = 0xffff0000, Size = 32KB, I:Cach NB / D:Cach NB, I:RO / D:RO +; Region 7: SHARE_WORK: Base = 0x027ff000, Size = 4KB, I:NC NB / D:NC NB, I:NA / D:RW +;(Region 7: DBG_RESERVE: Base = 0x02700000, Size = 1MB, I:NC NB / D:NC NB, I:RW / D:RW) +*/ +#define SET_PROTECTION_A( id, adr, siz ) ldr r0, =(adr|HW_C6_PR_##siz|HW_C6_PR_ENABLE) +#define SET_PROTECTION_B( id, adr, siz ) mcr p15, 0, r0, c6, id, 0 +#define REGION_BIT(a,b,c,d,e,f,g,h) (((a)<<0)|((b)<<1)|((c)<<2)|((d)<<3)|((e)<<4)|((f)<<5)|((g)<<6)|((h)<<7)) +#define REGION_ACC(a,b,c,d,e,f,g,h) (((a)<<0)|((b)<<4)|((c)<<8)|((d)<<12)|((e)<<16)|((f)<<20)|((g)<<24)|((h)<<28)) +#define NA 0 +#define RW 1 +#define RO 5 + + + // + // メモリリージョン初期化 + // + //---- I/O レジスタ & VRAM 等 + SET_PROTECTION_A( c0, HW_IOREG, 64MB ) + SET_PROTECTION_B( c0, HW_IOREG, 64MB ) + + //---- メインメモリ + SET_PROTECTION_A( c1, HW_MAIN_MEM_MAIN, 32MB ) + SET_PROTECTION_B( c1, HW_MAIN_MEM_MAIN, 32MB ) + + //---- サウンドデータ領域 +#if HW_MAIN_MEM_SUB_SIZE+HW_MAIN_MEM_SHARED_SIZE == 0x1000 + SET_PROTECTION_A( c2, HW_MAIN_MEM_SUB, 4KB ) + SET_PROTECTION_B( c2, HW_MAIN_MEM_SUB, 4KB ) +#elif HW_MAIN_MEM_SUB_SIZE+HW_MAIN_MEM_SHARED_SIZE == 0x2000 + SET_PROTECTION_A( c2, HW_MAIN_MEM_SUB, 8KB ) + SET_PROTECTION_B( c2, HW_MAIN_MEM_SUB, 8KB ) +#elif HW_MAIN_MEM_SUB_SIZE+HW_MAIN_MEM_SHARED_SIZE == 0x4000 + SET_PROTECTION_A( c2, HW_MAIN_MEM_SUB, 16KB ) + SET_PROTECTION_B( c2, HW_MAIN_MEM_SUB, 16KB ) +#elif HW_MAIN_MEM_SUB_SIZE+HW_MAIN_MEM_SHARED_SIZE == 0x8000 + SET_PROTECTION_A( c2, HW_MAIN_MEM_SUB, 32KB ) + SET_PROTECTION_B( c2, HW_MAIN_MEM_SUB, 32KB ) +#elif HW_MAIN_MEM_SUB_SIZE+HW_MAIN_MEM_SHARED_SIZE == 0x10000 + SET_PROTECTION_A( c2, HW_MAIN_MEM_SUB, 64KB ) + SET_PROTECTION_B( c2, HW_MAIN_MEM_SUB, 64KB ) +#elif HW_MAIN_MEM_SUB_SIZE+HW_MAIN_MEM_SHARED_SIZE == 0x20000 + SET_PROTECTION_A( c2, HW_MAIN_MEM_SUB, 128KB ) + SET_PROTECTION_B( c2, HW_MAIN_MEM_SUB, 128KB ) +#elif HW_MAIN_MEM_SUB_SIZE+HW_MAIN_MEM_SHARED_SIZE == 0x40000 + SET_PROTECTION_A( c2, HW_MAIN_MEM_SUB, 256KB ) + SET_PROTECTION_B( c2, HW_MAIN_MEM_SUB, 256KB ) +#elif HW_MAIN_MEM_SUB_SIZE+HW_MAIN_MEM_SHARED_SIZE == 0x80000 + SET_PROTECTION_A( c2, HW_MAIN_MEM_SUB, 512KB ) + SET_PROTECTION_B( c2, HW_MAIN_MEM_SUB, 512KB ) +#elif HW_MAIN_MEM_SUB_SIZE+HW_MAIN_MEM_SHARED_SIZE == 0x100000 + SET_PROTECTION_A( c2, HW_MAIN_MEM_SUB, 1MB ) + SET_PROTECTION_B( c2, HW_MAIN_MEM_SUB, 1MB ) +#elif HW_MAIN_MEM_SUB_SIZE+HW_MAIN_MEM_SHARED_SIZE == 0x200000 + SET_PROTECTION_A( c2, HW_MAIN_MEM_SUB, 2MB ) + SET_PROTECTION_B( c2, HW_MAIN_MEM_SUB, 2MB ) +#else +#pragma message(ERROR: Size unmatch HW_MAIN_MEM_SUB_SIZE) +#endif + + //---- メインメモリ上位イメージ 又は他の用途 + // カートリッジ、CPU 内部ワーク RAM 等 + //SET_PROTECTION_A( c3, HW_MAIN_MEM_HI, 32MB ) + //SET_PROTECTION_B( c3, HW_MAIN_MEM_HI, 32MB ) + SET_PROTECTION_A( c3, HW_TWL_MAIN_MEM_IMAGE, 32MB ) + SET_PROTECTION_B( c3, HW_TWL_MAIN_MEM_IMAGE, 32MB ) + + //---- データ TCM + // + CPU 内部ワーク RAM の場合あり +//#if (HW_DTCM & 0x3FFF) != 0 +//#pragma message(ERROR: HW_DTCM need to be aligned 16KB!) +//#endif + +// SET_PROTECTION_A( c4, HW_DTCM, 16KB ) + ldr r0, =SDK_AUTOLOAD_DTCM_START + orr r0, r0, #HW_C6_PR_16KB + orr r0, r0, #HW_C6_PR_ENABLE + SET_PROTECTION_B( c4, HW_DTCM, 16KB ) + + //---- 命令 TCM + // データ TCM より優先が高い、メインメモリ領域までのイメージ + SET_PROTECTION_A( c5, HW_ITCM_IMAGE, 16MB ) + SET_PROTECTION_B( c5, HW_ITCM_IMAGE, 16MB ) + + //---- BIOS + SET_PROTECTION_A( c6, HW_BIOS, 32KB ) + SET_PROTECTION_B( c6, HW_BIOS, 32KB ) + + //---- SHARED CPU 間通信ワーク領域 + SET_PROTECTION_A( c7, HW_MAIN_MEM_SHARED, 4KB ) + SET_PROTECTION_B( c7, HW_MAIN_MEM_SHARED, 4KB ) + +#if HW_MAIN_MEM_SHARED_SIZE != 0x1000 +#pragma message(ERROR: Size unmatch HW_MAIN_MEM_SHARED_SIZE) +#endif + + // + // 命令ＴＣＭ 設定 + // + mov r0, #HW_C9_TCMR_32MB + mcr p15, 0, r0, c9, c1, 1 + + // + // データＴＣＭ 設定 + // + ldr r0, =INITi_HW_DTCM + orr r0, r0, #HW_C9_TCMR_16KB + mcr p15, 0, r0, c9, c1, 0 + + // + // 命令キャッシュ イネーブル (リージョン設定) + // 1: MAIN_MEM + WRAM + // 3: MAIN_MEM_HI (or CTRDG) + // 6: BIOS + // + mov r0, #REGION_BIT(0,1,0,1,0,0,1,0) + mcr p15, 0, r0, c2, c0, 1 + + // + // データキャッシュ イネーブル (リージョン設定) + // 1: MAIN_MEM + WRAM + // 3: MAIN_MEM_HI (or CTRDG) + // 6: BIOS + // + mov r0, #REGION_BIT(0,1,0,1,0,0,1,0) + mcr p15, 0, r0, c2, c0, 0 + + // + // ライトバッファ イネーブル(リージョン設定) + // 1: MAIN_MEM + WRAM + // 3: MAIN_MEM_HI (or CTRDG) + // + mov r0, #REGION_BIT(0,1,0,1,0,0,0,0) + mcr p15, 0, r0, c3, c0, 0 + + // + // 命令アクセス許可 (リージョン設定) + // IO_VRAM : RW + // MAIN_MEM_MAIN : RW + // MAIN_MEM_SUB : NA + // MAIN_MEM_HI : RW + // DTCM : NA + // ITCM : RW + // BIOS : RO + // SHARED : NA + // + ldr r0, =REGION_ACC(RW,RW,NA,RW,NA,RW,RO,NA) + mcr p15, 0, r0, c5, c0, 3 + + // + // データアクセス許可（リージョン設定） + // IO_VRAM : RW + // MAIN_MEM_MAIN : RW + // MAIN_MEM_SUB : NA + // MAIN_MEM_HI : RW + // DTCM : RW + // ITCM : RW + // BIOS : RO + // SHARED : RW + // + ldr r0, =REGION_ACC(RW,RW,NA,RW,RW,RW,RO,RW) + mcr p15, 0, r0, c5, c0, 2 + + // + // システム制御コプロセッサ マスター設定 + // + mrc p15, 0, r0, c1, c0, 0 + ldr r1,=HW_C1_ICACHE_ENABLE | HW_C1_DCACHE_ENABLE | HW_C1_CACHE_ROUND_ROBIN \ + | HW_C1_ITCM_ENABLE | HW_C1_DTCM_ENABLE \ + | HW_C1_SB1_BITSET | HW_C1_EXCEPT_VEC_UPPER \ + | HW_C1_PROTECT_UNIT_ENABLE + orr r0, r0, r1 + mcr p15, 0, r0, c1, c0, 0 + + bx lr +} + + +/*---------------------------------------------------------------------------* + Name: TwlStartUp + + Description: hook for user start up + + Arguments: None + + Returns: None. + *---------------------------------------------------------------------------*/ +SDK_WEAK_SYMBOL void TwlStartUp(void) +{ +} + +/*---------------------------------------------------------------------------* + Name: OSi_ReferSymbol + + Description: used by SDK_REFER_SYMBOL macro to avoid dead-strip. + + Arguments: symbol unused + + Returns: None. + *---------------------------------------------------------------------------*/ +void OSi_ReferSymbol(void *symbol) +{ +#pragma unused(symbol) +} diff --git a/build/libraries/init/Makefile b/build/libraries/init/Makefile new file mode 100644 index 00000000..360784ad --- /dev/null +++ b/build/libraries/init/Makefile @@ -0,0 +1,32 @@ +#! make -f +#---------------------------------------------------------------------------- +# Project: TwlIPL - libraries - init +# File: Makefile +# +# Copyright 2007 Nintendo. All rights reserved. +# +# These coded instructions, statements, and computer programs contain +# proprietary information of Nintendo of America Inc. and/or Nintendo +# Company Ltd., and are protected by Federal copyright law. They may +# not be disclosed to third parties or copied or duplicated in any form, +# in whole or in part, without the prior written consent of Nintendo. +# +# $Date:: $ +# $Rev:$ +# $Author:$ +#---------------------------------------------------------------------------- + +include $(TWLFIRM_ROOT)/build/buildtools/commondefs + + +#---------------------------------------------------------------------------- + +SUBDIRS = ARM9 \ + ARM7 \ + +#---------------------------------------------------------------------------- + +include $(TWLFIRM_ROOT)/build/buildtools/modulerules + + +#===== End of Makefile ===== diff --git a/build/libraries/mi/ARM9/Makefile b/build/libraries/mi/ARM9/Makefile new file mode 100644 index 00000000..17a24289 --- /dev/null +++ b/build/libraries/mi/ARM9/Makefile @@ -0,0 +1,58 @@ +#! make -f +#---------------------------------------------------------------------------- +# Project: TwlFirm - libraries - mi +# File: Makefile +# +# Copyright 2007 Nintendo. All rights reserved. +# +# These coded instructions, statements, and computer programs contain +# proprietary information of Nintendo of America Inc. and/or Nintendo +# Company Ltd., and are protected by Federal copyright law. They may +# not be disclosed to third parties or copied or duplicated in any form, +# in whole or in part, without the prior written consent of Nintendo. +# +# $Date:: $ +# $Rev:$ +# $Author:$ +#---------------------------------------------------------------------------- + +SUBDIRS = +SUBMAKES = + + +#---------------------------------------------------------------------------- + +# build ARM & THUMB libraries +FIRM_CODEGEN_ALL ?= TRUE + +SRCDIR = . + +SRCS = \ + mi_init_mainMemory.c \ + +TARGET_LIB = libmi$(FIRM_LIBSUFFIX).a + +include $(TWLFIRM_ROOT)/build/buildtools/commondefs + +INSTALL_TARGETS = $(TARGETS) +INSTALL_DIR = $(FIRM_INSTALL_LIBDIR) + +ifdef NITRO_CALLTRACE +CCFLAGS += -DOS_PROFILE_AVAILABLE -DOS_PROFILE_CALL_TRACE +endif + +ifdef NITRO_FUNCTIONCOST +CCFLAGS += -DOS_PROFILE_AVAILABLE -DOS_PROFILE_FUNCTION_COST +endif + +ifdef NITRO_TCM_APPLY +CCFLAGS += -DSDK_TCM_APPLY +endif + +#---------------------------------------------------------------------------- + +do-build: $(TARGETS) + +include $(TWLFIRM_ROOT)/build/buildtools/modulerules + +#===== End of Makefile ===== diff --git a/build/libraries/mi/ARM9/mi_init_mainMemory.c b/build/libraries/mi/ARM9/mi_init_mainMemory.c new file mode 100644 index 00000000..773aa2b3 --- /dev/null +++ b/build/libraries/mi/ARM9/mi_init_mainMemory.c @@ -0,0 +1,81 @@ +/*---------------------------------------------------------------------------* + Project: TwlIPL - libraries - mi + File: mi_init_mainMemory.c + + Copyright 2007 Nintendo. All rights reserved. + + These coded instructions, statements, and computer programs contain + proprietary information of Nintendo of America Inc. and/or Nintendo + Company Ltd., and are protected by Federal copyright law. They may + not be disclosed to third parties or copied or duplicated in any form, + in whole or in part, without the prior written consent of Nintendo. + + $Date:: $ + $Rev$ + $Author$ + *---------------------------------------------------------------------------*/ +#include +#include + +/*---------------------------------------------------------------------------* + Name: MIi_InitMainMemCR + + Description: change mainmem into the burst mode + + Arguments: None + + Returns: None + *---------------------------------------------------------------------------*/ +asm void MIi_InitMainMemCR( void ) +{ + mov r12, lr + + mov r0, #0x8000 // low period 0.97ms + bl OS_SpinWait + + ldr r3, =REG_EXMEMCNT_ADDR + mov r1, #REG_MI_EXMEMCNT_CE2_MASK + ldrh r2, [r3] + tst r2, r1 + bxne r12 + + strh r1, [r3] + + mov r0, #0x8000 // high period 0.97ms + bl OS_SpinWait + + ldr r3, =HW_WRAM_AREA - 2 +#if PLATFORM == BB + ldr r0, =MMEM_DCR0_BURST_MODE | MMEM_DCR0_BURST_CONTINUOUS \ + | MMEM_DCR0_PARTIAL_REFRESH_NONE | MMEM_DCR0_SB1 + ldr r1, =MMEM_DCR1_1ST_R4_W3 | MMEM_DCR1_BURST_WRITE | MMEM_DCR1_BURST_LINER \ + | MMEM_DCR1_CLOCK_TRIGGER_UP | MMEM_DCR1_SB1 + ldr r2, =HW_MAIN_MEM | MMEM_DCR2_CLOCK_TRIGGER_UP \ + | MMEM_DCR2_BURST_MODE | MMEM_DCR2_BURST_CONTINUOUS \ + | MMEM_DCR2_1ST_R4_W3 | MMEM_DCR2_BURST_WRITE | MMEM_DCR2_BURST_LINER \ + | MMEM_DCR2_PARTIAL_REFRESH_NONE | MMEM_DCR2_SB1 + ldrh lr, [r3] + strh lr, [r3] + strh lr, [r3] + strh r0, [r3] + strh r1, [r3] + ldrh lr, [r2] +#else // PLATFORM == TS + ldr r0, =MMEM_TCR0 + ldr r1, =MMEM_TCR1 + ldr r2, =MMEM_TCR2 + ldrh lr, [r3] + strh lr, [r3] + strh lr, [r3] + strh r0, [r3] + strh r1, [r3] + strh r2, [r3] +#endif // PLATFORM == TS + + ldr r3, =REG_EXMEMCNT_ADDR + mov r1, #REG_MI_EXMEMCNT_IFM_MASK | REG_MI_EXMEMCNT_CE2_MASK + strh r1, [r3] + + bx r12 +} + diff --git a/build/libraries/mi/Makefile b/build/libraries/mi/Makefile new file mode 100644 index 00000000..23ec9a5a --- /dev/null +++ b/build/libraries/mi/Makefile @@ -0,0 +1,31 @@ +#! make -f +#---------------------------------------------------------------------------- +# Project: TwlIPL - libraries - mi +# File: Makefile +# +# Copyright 2007 Nintendo. All rights reserved. +# +# These coded instructions, statements, and computer programs contain +# proprietary information of Nintendo of America Inc. and/or Nintendo +# Company Ltd., and are protected by Federal copyright law. They may +# not be disclosed to third parties or copied or duplicated in any form, +# in whole or in part, without the prior written consent of Nintendo. +# +# $Date:: $ +# $Rev:$ +# $Author:$ +#---------------------------------------------------------------------------- + +include $(TWLFIRM_ROOT)/build/buildtools/commondefs + + +#---------------------------------------------------------------------------- + +SUBDIRS = ARM9 + +#---------------------------------------------------------------------------- + +include $(TWLFIRM_ROOT)/build/buildtools/modulerules + + +#===== End of Makefile ===== diff --git a/include/firm.h b/include/firm.h index f3fbfdc9..8426f838 100644 --- a/include/firm.h +++ b/include/firm.h @@ -20,9 +20,9 @@ #include #include +#include /* #include -#include #include #include #include