From 5c129565f0646a1ac7f9c57fd3425f3246aecb84 Mon Sep 17 00:00:00 2001 From: notaz Date: Sun, 17 Feb 2008 22:53:20 +0000 Subject: [PATCH] svp: some ARM code translation, as calls, broken git-svn-id: file:///home/notaz/opt/svn/PicoDrive@358 be3aeb3a-fb24-0410-a615-afba39da0efa --- Pico/carthw/svp/compiler.c | 238 +++++++++---------------------------- Pico/carthw/svp/gen_arm.c | 103 ++++++++++++++++ Pico/carthw/svp/ssp16.h | 14 +-- Pico/carthw/svp/stub_arm.s | 28 +++++ platform/gp2x/Makefile | 5 +- 5 files changed, 201 insertions(+), 187 deletions(-) create mode 100644 Pico/carthw/svp/gen_arm.c create mode 100644 Pico/carthw/svp/stub_arm.s diff --git a/Pico/carthw/svp/compiler.c b/Pico/carthw/svp/compiler.c index 36515e1..69b5f40 100644 --- a/Pico/carthw/svp/compiler.c +++ b/Pico/carthw/svp/compiler.c @@ -17,16 +17,15 @@ static int iram_context = 0; #define ssp1601_reset ssp1601_reset_local #define ssp1601_run ssp1601_run_local -static unsigned int interp_get_pc(void); - -#define GET_PC interp_get_pc -#define GET_PPC_OFFS() (interp_get_pc()*2 - 2) +#define GET_PC() rPC +#define GET_PPC_OFFS() (GET_PC()*2 - 2) #define SET_PC(d) { had_jump = 1; rPC = d; } /* must return to dispatcher after this */ //#define GET_PC() (PC - (unsigned short *)svp->iram_rom) //#define GET_PPC_OFFS() ((unsigned int)PC - (unsigned int)svp->iram_rom - 2) //#define SET_PC(d) PC = (unsigned short *)svp->iram_rom + d #include "ssp16.c" +#include "gen_arm.c" // ----------------------------------------------------- @@ -34,6 +33,7 @@ static unsigned int interp_get_pc(void); static void op00(unsigned int op, unsigned int imm) { unsigned int tmpv; + PC = ((unsigned short *)&op) + 1; /* FIXME: needed for interpreter */ if (op == 0) return; // nop if (op == ((SSP_A<<4)|SSP_P)) { // A <- P // not sure. MAME claims that only hi word is transfered. @@ -487,91 +487,6 @@ static in_func *in_funcs[0x80] = // ----------------------------------------------------- -static unsigned int crctable[256] = -{ - 0x00000000L, 0x77073096L, 0xEE0E612CL, 0x990951BAL, - 0x076DC419L, 0x706AF48FL, 0xE963A535L, 0x9E6495A3L, - 0x0EDB8832L, 0x79DCB8A4L, 0xE0D5E91EL, 0x97D2D988L, - 0x09B64C2BL, 0x7EB17CBDL, 0xE7B82D07L, 0x90BF1D91L, - 0x1DB71064L, 0x6AB020F2L, 0xF3B97148L, 0x84BE41DEL, - 0x1ADAD47DL, 0x6DDDE4EBL, 0xF4D4B551L, 0x83D385C7L, - 0x136C9856L, 0x646BA8C0L, 0xFD62F97AL, 0x8A65C9ECL, - 0x14015C4FL, 0x63066CD9L, 0xFA0F3D63L, 0x8D080DF5L, - 0x3B6E20C8L, 0x4C69105EL, 0xD56041E4L, 0xA2677172L, - 0x3C03E4D1L, 0x4B04D447L, 0xD20D85FDL, 0xA50AB56BL, - 0x35B5A8FAL, 0x42B2986CL, 0xDBBBC9D6L, 0xACBCF940L, - 0x32D86CE3L, 0x45DF5C75L, 0xDCD60DCFL, 0xABD13D59L, - 0x26D930ACL, 0x51DE003AL, 0xC8D75180L, 0xBFD06116L, - 0x21B4F4B5L, 0x56B3C423L, 0xCFBA9599L, 0xB8BDA50FL, - 0x2802B89EL, 0x5F058808L, 0xC60CD9B2L, 0xB10BE924L, - 0x2F6F7C87L, 0x58684C11L, 0xC1611DABL, 0xB6662D3DL, - 0x76DC4190L, 0x01DB7106L, 0x98D220BCL, 0xEFD5102AL, - 0x71B18589L, 0x06B6B51FL, 0x9FBFE4A5L, 0xE8B8D433L, - 0x7807C9A2L, 0x0F00F934L, 0x9609A88EL, 0xE10E9818L, - 0x7F6A0DBBL, 0x086D3D2DL, 0x91646C97L, 0xE6635C01L, - 0x6B6B51F4L, 0x1C6C6162L, 0x856530D8L, 0xF262004EL, - 0x6C0695EDL, 0x1B01A57BL, 0x8208F4C1L, 0xF50FC457L, - 0x65B0D9C6L, 0x12B7E950L, 0x8BBEB8EAL, 0xFCB9887CL, - 0x62DD1DDFL, 0x15DA2D49L, 0x8CD37CF3L, 0xFBD44C65L, - 0x4DB26158L, 0x3AB551CEL, 0xA3BC0074L, 0xD4BB30E2L, - 0x4ADFA541L, 0x3DD895D7L, 0xA4D1C46DL, 0xD3D6F4FBL, - 0x4369E96AL, 0x346ED9FCL, 0xAD678846L, 0xDA60B8D0L, - 0x44042D73L, 0x33031DE5L, 0xAA0A4C5FL, 0xDD0D7CC9L, - 0x5005713CL, 0x270241AAL, 0xBE0B1010L, 0xC90C2086L, - 0x5768B525L, 0x206F85B3L, 0xB966D409L, 0xCE61E49FL, - 0x5EDEF90EL, 0x29D9C998L, 0xB0D09822L, 0xC7D7A8B4L, - 0x59B33D17L, 0x2EB40D81L, 0xB7BD5C3BL, 0xC0BA6CADL, - 0xEDB88320L, 0x9ABFB3B6L, 0x03B6E20CL, 0x74B1D29AL, - 0xEAD54739L, 0x9DD277AFL, 0x04DB2615L, 0x73DC1683L, - 0xE3630B12L, 0x94643B84L, 0x0D6D6A3EL, 0x7A6A5AA8L, - 0xE40ECF0BL, 0x9309FF9DL, 0x0A00AE27L, 0x7D079EB1L, - 0xF00F9344L, 0x8708A3D2L, 0x1E01F268L, 0x6906C2FEL, - 0xF762575DL, 0x806567CBL, 0x196C3671L, 0x6E6B06E7L, - 0xFED41B76L, 0x89D32BE0L, 0x10DA7A5AL, 0x67DD4ACCL, - 0xF9B9DF6FL, 0x8EBEEFF9L, 0x17B7BE43L, 0x60B08ED5L, - 0xD6D6A3E8L, 0xA1D1937EL, 0x38D8C2C4L, 0x4FDFF252L, - 0xD1BB67F1L, 0xA6BC5767L, 0x3FB506DDL, 0x48B2364BL, - 0xD80D2BDAL, 0xAF0A1B4CL, 0x36034AF6L, 0x41047A60L, - 0xDF60EFC3L, 0xA867DF55L, 0x316E8EEFL, 0x4669BE79L, - 0xCB61B38CL, 0xBC66831AL, 0x256FD2A0L, 0x5268E236L, - 0xCC0C7795L, 0xBB0B4703L, 0x220216B9L, 0x5505262FL, - 0xC5BA3BBEL, 0xB2BD0B28L, 0x2BB45A92L, 0x5CB36A04L, - 0xC2D7FFA7L, 0xB5D0CF31L, 0x2CD99E8BL, 0x5BDEAE1DL, - 0x9B64C2B0L, 0xEC63F226L, 0x756AA39CL, 0x026D930AL, - 0x9C0906A9L, 0xEB0E363FL, 0x72076785L, 0x05005713L, - 0x95BF4A82L, 0xE2B87A14L, 0x7BB12BAEL, 0x0CB61B38L, - 0x92D28E9BL, 0xE5D5BE0DL, 0x7CDCEFB7L, 0x0BDBDF21L, - 0x86D3D2D4L, 0xF1D4E242L, 0x68DDB3F8L, 0x1FDA836EL, - 0x81BE16CDL, 0xF6B9265BL, 0x6FB077E1L, 0x18B74777L, - 0x88085AE6L, 0xFF0F6A70L, 0x66063BCAL, 0x11010B5CL, - 0x8F659EFFL, 0xF862AE69L, 0x616BFFD3L, 0x166CCF45L, - 0xA00AE278L, 0xD70DD2EEL, 0x4E048354L, 0x3903B3C2L, - 0xA7672661L, 0xD06016F7L, 0x4969474DL, 0x3E6E77DBL, - 0xAED16A4AL, 0xD9D65ADCL, 0x40DF0B66L, 0x37D83BF0L, - 0xA9BCAE53L, 0xDEBB9EC5L, 0x47B2CF7FL, 0x30B5FFE9L, - 0xBDBDF21CL, 0xCABAC28AL, 0x53B39330L, 0x24B4A3A6L, - 0xBAD03605L, 0xCDD70693L, 0x54DE5729L, 0x23D967BFL, - 0xB3667A2EL, 0xC4614AB8L, 0x5D681B02L, 0x2A6F2B94L, - 0xB40BBE37L, 0xC30C8EA1L, 0x5A05DF1BL, 0x2D02EF8DL -}; - -static u32 chksum_crc32 (unsigned char *block, unsigned int length) -{ - register u32 crc; - unsigned long i; - - crc = 0xFFFFFFFF; - for (i = 0; i < length; i++) - { - crc = ((crc >> 8) & 0x00FFFFFF) ^ crctable[(crc ^ *block++) & 0xFF]; - } - return (crc ^ 0xFFFFFFFF); -} - -//static int iram_crcs[32] = { 0, }; - -// ----------------------------------------------------- - static unsigned char iram_context_map[] = { 0, 0, 0, 0, 1, 0, 0, 0, // 04 @@ -584,81 +499,37 @@ static unsigned char iram_context_map[] = 13,14, 0, 0, 0, 0, 0, 0 // 38 39 }; -static unsigned int checksums[] = -{ - 0, - 0xfa9ddfb2, - 0x229c80b6, - 0x3af0c3d3, - 0x98fc4552, - 0x5ecacdbc, - 0xa6931962, - 0x53930b10, - 0x69524552, - 0xcb1ccdaf, - 0x995068c7, - 0x48b97f4d, - 0xe8c61b74, - 0xafa2e81a, - 0x4e3e071a -}; - - static int get_iram_context(void) { unsigned char *ir = (unsigned char *)svp->iram_rom; int val1, val = ir[0x083^1] + ir[0x4FA^1] + ir[0x5F7^1] + ir[0x47B^1]; - int crc = chksum_crc32(svp->iram_rom, 0x800); val1 = iram_context_map[(val>>1)&0x3f]; - if (crc != checksums[val1] || val1 == 0) { + if (val1 == 0) { printf("val: %02x PC=%04x\n", (val>>1)&0x3f, rPC); - elprintf(EL_ANOMALY, "bad crc: %08x vs %08x", crc, checksums[val1]); //debug_dump2file(name, svp->iram_rom, 0x800); exit(1); } - elprintf(EL_ANOMALY, "iram_context: %02i", val1); +// elprintf(EL_ANOMALY, "iram_context: %02i", val1); return val1; } -#define PROGRAM(x) ((unsigned short *)svp->iram_rom)[x] - -static u32 interp_get_pc(void) -{ -#if 0 - unsigned short *pc1 = PC; - int i; - - while (pc1[-1] != 0xfe01) pc1--; // goto current block start - - if (rPC >= 0x800/2) - { - for (i = 0; i < 0x5090/2; i++) - if (block_table[i] == pc1) break; - if (i == 0x5090/2) goto fail; - } - else - { - for (i = 0; i < 0x800/2; i++) - if (block_table_iram[iram_context][i] == pc1) break; - if (i == 0x800/2) goto fail; - } - return i + (PC - pc1); -fail: - printf("block not found!\n"); - exit(1); -#else - return rPC; -#endif -} +#define PROGRAM(x) ((unsigned short *)svp->iram_rom)[x] static void *translate_block(int pc) { unsigned int op, op1, icount = 0; - void *ret; + unsigned int *block_start; + + // create .pool + *tcache_ptr++ = (u32) &g_cycles; // -3 g_cycles + *tcache_ptr++ = (u32) &ssp->gr[SSP_PC].v; // -2 ptr to rPC + *tcache_ptr++ = (u32) in_funcs; // -1 func pool - ret = tcache_ptr; + block_start = tcache_ptr; + + emit_block_prologue(); //printf("translate %04x -> %04x\n", pc<<1, (tcache_ptr-tcache)<<1); for (;;) @@ -666,25 +537,32 @@ static void *translate_block(int pc) icount++; op = PROGRAM(pc++); op1 = op >> 9; + + emit_mov_const16(0, op); + // need immediate? if ((op1 & 0xf) == 4 || (op1 & 0xf) == 6) { - op |= PROGRAM(pc++) << 16; // immediate + emit_mov_const16(1, PROGRAM(pc++)); // immediate } - *tcache_ptr++ = op; - *tcache_ptr = (unsigned int) in_funcs[op1]; - if (*tcache_ptr == 0) { + + // dump PC + emit_pc_inc(block_start, pc); + + emit_call(block_start, op1); + + if (in_funcs[op1] == NULL) { printf("NULL func! op=%08x (%02x)\n", op, op1); exit(1); } - tcache_ptr++; if (op1 == 0x24 || op1 == 0x26 || // call, bra ((op1 == 0 || op1 == 1 || op1 == 4 || op1 == 5 || op1 == 9 || op1 == 0x25) && (op & 0xf0) == 0x60)) { // ld PC break; } } - *tcache_ptr++ = 0xfe01; - *tcache_ptr++ = 0xfe01; // end of block + + emit_block_epilogue(block_start, icount + 1); + *tcache_ptr++ = 0xffffffff; // end of block //printf(" %i inst\n", icount); if (tcache_ptr - tcache > TCACHE_SIZE/4) { @@ -698,7 +576,15 @@ static void *translate_block(int pc) //if (pc >= 0x400) printf("%i blocks, %i bytes\n", nblocks, (tcache_ptr - tcache)*4); - return ret; +#if 0 + { + FILE *f = fopen("tcache.bin", "wb"); + fwrite(tcache, 1, (tcache_ptr - tcache)*4, f); + fclose(f); + } + exit(0); +#endif + return block_start; } @@ -708,11 +594,14 @@ static void *translate_block(int pc) int ssp1601_dyn_init(void) { tcache = tcache_ptr = malloc(TCACHE_SIZE); + if (tcache == NULL) { + printf("oom\n"); + exit(1); + } memset(tcache, 0, sizeof(TCACHE_SIZE)); memset(block_table, 0, sizeof(block_table)); memset(block_table_iram, 0, sizeof(block_table_iram)); - *tcache_ptr++ = 0xfe01; - *tcache_ptr++ = 0xfe01; + *tcache_ptr++ = 0xffffffff; return 0; } @@ -723,33 +612,23 @@ void ssp1601_dyn_reset(ssp1601_t *ssp) ssp1601_reset_local(ssp); } - -static void ssp1601_run2(unsigned int *iPC) +static void handle_caches() { - in_func *func; - unsigned int op, op1, imm; - while (*iPC != 0xfe01) - { - rPC++; - op = *iPC & 0xffff; - imm = *iPC++ >> 16; - op1 = op >> 9; - if ((op1 & 0xf) == 4 || (op1 & 0xf) == 6) rPC++; - PC = ((unsigned short *)&op) + 1; /* needed for interpreter */ - - func = (in_func *) *iPC++; - func(op, imm); - g_cycles--; - } +#ifdef ARM + extern void flush_inval_dcache(const void *start_addr, const void *end_addr); + extern void flush_inval_icache(const void *start_addr, const void *end_addr); + flush_inval_dcache(tcache, tcache_ptr); + flush_inval_icache(tcache, tcache_ptr); +#else +#error wth +#endif } - void ssp1601_dyn_run(int cycles) { while (cycles > 0) { - unsigned int *iPC; - //int pc_old = rPC; + void (*trans_entry)(void); if (rPC < 0x800/2) { if (iram_dirty) { @@ -758,21 +637,22 @@ void ssp1601_dyn_run(int cycles) } if (block_table_iram[iram_context][rPC] == NULL) block_table_iram[iram_context][rPC] = translate_block(rPC); - iPC = block_table_iram[iram_context][rPC]; + trans_entry = (void *) block_table_iram[iram_context][rPC]; } else { if (block_table[rPC] == NULL) block_table[rPC] = translate_block(rPC); - iPC = block_table[rPC]; + trans_entry = (void *) block_table[rPC]; } had_jump = 0; //printf("enter @ %04x, PC=%04x\n", (PC - tcache)<<1, rPC<<1); g_cycles = 0; - ssp1601_run2(iPC); - cycles += g_cycles; + handle_caches(); + trans_entry(); + cycles -= g_cycles; /* if (!had_jump) { // no jumps diff --git a/Pico/carthw/svp/gen_arm.c b/Pico/carthw/svp/gen_arm.c new file mode 100644 index 0000000..30e8f84 --- /dev/null +++ b/Pico/carthw/svp/gen_arm.c @@ -0,0 +1,103 @@ +#define EMIT(x) *tcache_ptr++ = x + +#define A_R14M (1 << 14) + +#define A_COND_AL 0xe + +/* addressing mode 1 */ +#define A_AM1_LSL 0 +#define A_AM1_LSR 1 +#define A_AM1_ASR 2 +#define A_AM1_ROR 3 + +#define A_AM1_IMM(ror2,imm8) (((ror2)<<8) | (imm8) | 0x02000000) +#define A_AM1_REG_XIMM(shift_imm,shift_op,rm) (((shift_imm)<<7) | ((shift_op)<<5) | (rm)) + +/* data processing op */ +#define A_OP_ORR 0xc +#define A_OP_MOV 0xd + +#define EOP_C_DOP_X(cond,op,s,rn,rd,shifter_op) \ + EMIT(((cond)<<28) | ((op)<< 21) | ((s)<<20) | ((rn)<<16) | ((rd)<<12) | (shifter_op)) + +#define EOP_C_DOP_IMM(cond,op,s,rn,rd,ror2,imm8) EOP_C_DOP_X(cond,op,s,rn,rd,A_AM1_IMM(ror2,imm8)) +#define EOP_C_DOP_REG(cond,op,s,rn,rd,shift_imm,shift_op,rm) EOP_C_DOP_X(cond,op,s,rn,rd,A_AM1_REG_XIMM(shift_imm,shift_op,rm)) + +#define EOP_MOV_IMM(s, rd,ror2,imm8) EOP_C_DOP_IMM(A_COND_AL,A_OP_MOV,s, 0,rd,ror2,imm8) +#define EOP_ORR_IMM(s,rn,rd,ror2,imm8) EOP_C_DOP_IMM(A_COND_AL,A_OP_ORR,s,rn,rd,ror2,imm8) + +#define EOP_MOV_REG(s, rd,shift_imm,shift_op,rm) EOP_C_DOP_REG(A_COND_AL,A_OP_MOV,s, 0,rd,shift_imm,shift_op,rm) + +#define EOP_MOV_REG_SIMPLE(rd,rm) EOP_MOV_REG(0,rd,0,A_AM1_LSL,rm) + +/* ldr and str */ +#define EOP_C_XXR_IMM(cond,u,b,l,rn,rd,offset_12) \ + EMIT(((cond)<<28) | 0x05000000 | ((u)<<23) | ((b)<<22) | ((l)<<20) | ((rn)<<16) | ((rd)<<12) | (offset_12)) + +#define EOP_LDR_IMM( rd,rn,offset_12) EOP_C_XXR_IMM(A_COND_AL,1,0,1,rn,rd,offset_12) +#define EOP_LDR_NEGIMM(rd,rn,offset_12) EOP_C_XXR_IMM(A_COND_AL,0,0,1,rn,rd,offset_12) +#define EOP_LDR_SIMPLE(rd,rn) EOP_C_XXR_IMM(A_COND_AL,1,0,1,rn,rd,0) +#define EOP_STR_SIMPLE(rd,rn) EOP_C_XXR_IMM(A_COND_AL,1,0,0,rn,rd,0) + +/* ldm and stm */ +#define EOP_XXM(cond,p,u,s,w,l,rn,list) \ + EMIT(((cond)<<28) | (1<<27) | ((p)<<24) | ((u)<<23) | ((s)<<22) | ((w)<<21) | ((l)<<20) | ((rn)<<16) | (list)) + +#define EOP_STMFD_ST(list) EOP_XXM(A_COND_AL,1,0,0,1,0,13,list) +#define EOP_LDMFD_ST(list) EOP_XXM(A_COND_AL,0,1,0,1,1,13,list) + +/* branches */ +#define EOP_C_BX(cond,rm) \ + EMIT(((cond)<<28) | 0x012fff10 | (rm)) + +#define EOP_BX(rm) EOP_C_BX(A_COND_AL,rm) + + +static void emit_mov_const16(int d, unsigned int val) +{ + int need_or = 0; + if (val & 0xff00) { + EOP_MOV_IMM(0, d, 24/2, (val>>8)&0xff); + need_or = 1; + } + if ((val & 0xff) || !need_or) + EOP_C_DOP_IMM(A_COND_AL,need_or ? A_OP_ORR : A_OP_MOV, 0, d, d, 0, val&0xff); +} + +static void emit_block_prologue(void) +{ + // stack LR + EOP_STMFD_ST(A_R14M); // stmfd r13!, {r14} +} + +static void emit_block_epilogue(unsigned int *block_start, int icount) +{ + int back = (tcache_ptr - block_start) + 2; + back += 3; // g_cycles + EOP_LDR_NEGIMM(2,15,back<<2); // ldr r2,[pc,#back] + emit_mov_const16(3, icount); + EOP_STR_SIMPLE(3,2); // str r3,[r2] + + EOP_LDMFD_ST(A_R14M); // ldmfd r13!, {r14} + EOP_BX(14); // bx r14 +} + +static void emit_pc_inc(unsigned int *block_start, int pc) +{ + int back = (tcache_ptr - block_start) + 2; + back += 2; // rPC ptr + EOP_LDR_NEGIMM(2,15,back<<2); // ldr r2,[pc,#back] + emit_mov_const16(3, pc); + EOP_STR_SIMPLE(3,2); // str r3,[r2] +} + +static void emit_call(unsigned int *block_start, unsigned int op1) +{ + int back = (tcache_ptr - block_start) + 2; + back += 1; // func table + EOP_LDR_NEGIMM(2,15,back<<2); // ldr r2,[pc,#back] + EOP_MOV_REG_SIMPLE(14,15); // mov lr,pc + EOP_LDR_IMM(15,2,op1<<2); // ldr pc,[r2,#op1] +} + + diff --git a/Pico/carthw/svp/ssp16.h b/Pico/carthw/svp/ssp16.h index 4f4dfa0..c7db4de 100644 --- a/Pico/carthw/svp/ssp16.h +++ b/Pico/carthw/svp/ssp16.h @@ -26,23 +26,23 @@ typedef union typedef struct { union { - unsigned short RAM[256*2]; // 2 internal RAM banks + unsigned short RAM[256*2]; // 000 2 internal RAM banks struct { unsigned short RAM0[256]; unsigned short RAM1[256]; }; }; - ssp_reg_t gr[16]; // general registers + ssp_reg_t gr[16]; // 400 general registers union { - unsigned char r[8]; // BANK pointers + unsigned char r[8]; // 440 BANK pointers struct { unsigned char r0[4]; unsigned char r1[4]; }; }; - unsigned short stack[6]; - unsigned int pmac_read[6]; // read modes/addrs for PM0-PM5 - unsigned int pmac_write[6]; // write ... + unsigned short stack[6]; // 448 + unsigned int pmac_read[6]; // 454 read modes/addrs for PM0-PM5 + unsigned int pmac_write[6]; // 46c write ... // #define SSP_PMC_HAVE_ADDR 0x0001 // address written to PMAC, waiting for mode #define SSP_PMC_SET 0x0002 // PMAC is set @@ -50,7 +50,7 @@ typedef struct #define SSP_WAIT_30FE06 0x4000 // ssp tight loops on 30FE08 to become non-zero #define SSP_WAIT_30FE08 0x8000 // same for 30FE06 #define SSP_WAIT_MASK 0xe000 - unsigned int emu_status; + unsigned int emu_status; // 484 unsigned int pad[30]; } ssp1601_t; diff --git a/Pico/carthw/svp/stub_arm.s b/Pico/carthw/svp/stub_arm.s new file mode 100644 index 0000000..fee118e --- /dev/null +++ b/Pico/carthw/svp/stub_arm.s @@ -0,0 +1,28 @@ +@ vim:filetype=armasm + + +@ register map: +@ r4: XXYY +@ r5: A +@ r6: STACK and emu flags +@ r7: SSP context +@ r8: r0-r2 +@ r9: r4-r6 +@ r10: P + +.global flush_inval_dcache +.global flush_inval_icache + +.text +.align 4 + +flush_inval_dcache: + mov r2, #0x0 @ ?? + swi 0x9f0002 + bx lr + +flush_inval_icache: + mov r2, #0x1 + swi 0x9f0002 + bx lr + diff --git a/platform/gp2x/Makefile b/platform/gp2x/Makefile index 5121d90..1bb9204 100644 --- a/platform/gp2x/Makefile +++ b/platform/gp2x/Makefile @@ -74,7 +74,8 @@ OBJS += ../../Pico/cd/Pico.o ../../Pico/cd/Memory.o ../../Pico/cd/Sek.o ../../Pi ../../Pico/cd/Area.o ../../Pico/cd/Misc.o ../../Pico/cd/pcm.o ../../Pico/cd/buffering.o endif # Pico - carthw -OBJS += ../../Pico/carthw/svp/svp.o ../../Pico/carthw/svp/Memory.o ../../Pico/carthw/svp/ssp16.o +OBJS += ../../Pico/carthw/svp/svp.o ../../Pico/carthw/svp/Memory.o ../../Pico/carthw/svp/ssp16.o \ + ../../Pico/carthw/svp/compiler.o ../../Pico/carthw/svp/stub_arm.o # asm stuff ifeq "$(asm_render)" "1" @@ -159,6 +160,8 @@ up: PicoDrive.gpe @echo ">>>" $< $(GCC) $(COPT) $(DEFINC) -c $< -o $@ +../../Pico/carthw/svp/compiler.o : ../../Pico/carthw/svp/ssp16.o ../../Pico/carthw/svp/gen_arm.c + ../../Pico/draw_asm.o : ../../Pico/Draw.s @echo ">>>" $< $(AS) $(ASOPT) $< -o $@ -- 2.39.2