From: kub Date: Thu, 17 Sep 2020 21:55:55 +0000 (+0200) Subject: sh2 drc, standalone testing tool X-Git-Tag: v2.00~694 X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=056f101ff8fb8123c71ca3e37991ed64d9a65371;p=picodrive.git sh2 drc, standalone testing tool --- diff --git a/tools/drctest.c b/tools/drctest.c new file mode 100644 index 00000000..2eca4222 --- /dev/null +++ b/tools/drctest.c @@ -0,0 +1,183 @@ +// gcc drctest.c cpu/drc/cmn.c cpu/sh2/mame/sh2dasm.c platform/libpicofe/linux/host_dasm.c platform/libpicofe/linux/plat.c -I. -DDRC_SH2 -g -O -o drctest -lbfd--multiarch -lopcodes--multiarch -liberty -D<__platform__> + +#include +#include + +#include "cpu/sh2/compiler.c" + +struct Pico Pico; +SH2 sh2s[2]; +struct Pico32xMem _Pico32xMem, *Pico32xMem = &_Pico32xMem; +struct Pico32x Pico32x; +char **g_argv; + +void memset32(void *dest_in, int c, int count) { memset(dest_in, c, 4*count); } + +void cache_flush_d_inval_i(void *start_addr, void *end_addr) { } +void *plat_mem_get_for_drc(size_t size) { return NULL; } +void *p32x_sh2_get_mem_ptr(u32 a, u32 *mask, SH2 *sh2) { return NULL; } + +void REGPARM(3) p32x_sh2_write8 (u32 a, u32 d, SH2 *s) { } +void REGPARM(3) p32x_sh2_write16(u32 a, u32 d, SH2 *s) { } +void REGPARM(3) p32x_sh2_write32(u32 a, u32 d, SH2 *s) { } + +u32 REGPARM(2) p32x_sh2_read8 (u32 a, SH2 *s) { } +u32 REGPARM(2) p32x_sh2_read16(u32 a, SH2 *s) { } +u32 REGPARM(2) p32x_sh2_read32(u32 a, SH2 *s) { } + +u32 REGPARM(3) p32x_sh2_poll_memory8 (u32 a, u32 d, SH2 *s) { } +u32 REGPARM(3) p32x_sh2_poll_memory16(u32 a, u32 d, SH2 *s) { } +u32 REGPARM(3) p32x_sh2_poll_memory32(u32 a, u32 d, SH2 *s) { } + +int main(int argc, char *argv[]) +{ + FILE *f; + u32 (*testfunc)(u32), ret; + int arg0, arg1, arg2, arg3, sr; + host_arg2reg(arg0, 0); + host_arg2reg(arg1, 1); + host_arg2reg(arg2, 2); + host_arg2reg(arg3, 3); + + g_argv = argv; + sh2_drc_init(sh2s); + f = fopen("utils.bin", "w"); + fwrite(tcache, 1, 4096, f); + fclose(f); + + tcache_ptr = tcache_ring[0].base; + u8 *p1 = tcache_ptr; + emith_jump_patchable(0); + u8 *p2 = tcache_ptr; + emith_jump_cond_patchable(DCOND_GE, 0); + emith_move_r_r(0, 1); + emith_move_r_r(0, 2); + u8 *p3 = tcache_ptr; + emith_move_r_r(0, 3); + emith_move_r_r(0, 4); + emith_move_r_r(0, 5); + + u8 *p4 = tcache_ptr; + emith_move_r_imm_s8_patchable(arg0, 0); + emith_move_r_r(0, 6); + emith_flush(); + + emith_jump_patch(p1, tcache_ptr, NULL); + emith_jump_patch(p2, tcache_ptr, NULL); + emith_jump_at(p3, tcache_ptr); + + emith_move_r_imm_s8_patch(p4, 42); + + emith_read8_r_r_offs(arg0, arg1, 100); + emith_read8_r_r_offs(arg0, arg1, 1000); + emith_read8_r_r_offs(arg0, arg1, 10000); + emith_read8_r_r_offs(arg0, arg1, -100); + emith_read8_r_r_offs(arg0, arg1, -1000); + emith_read8_r_r_offs(arg0, arg1, -10000); + + emith_read16_r_r_offs(arg0, arg1, 4); + emith_read_r_r_offs(arg0, arg1, 4); + emith_read8s_r_r_offs(arg0, arg1, 4); + emith_read16s_r_r_offs(arg0, arg1, 4); + + emith_write_r_r_offs(arg0, arg1, 4); + + emith_add_r_r_r_lsl(arg0, arg1, arg2, 2); + emith_move_r_r(0, 0); + + emith_mula_s64(arg0, arg1, arg2, arg3); + emith_move_r_r(0, 0); + + emith_clear_msb(arg0, arg1, 8); + emith_clear_msb(arg0, arg1, 16); + emith_clear_msb(arg0, arg1, 24); + + emith_sext(arg0, arg1, 8); + emith_sext(arg0, arg1, 16); + emith_sext(arg0, arg1, 24); + emith_move_r_r(0, 0); + + emith_lsl(arg0, arg1, 24); + emith_lsr(arg0, arg1, 24); + emith_asr(arg0, arg1, 24); + emith_rol(arg0, arg1, 24); + emith_move_r_r(0, 0); + + emith_lslf(arg0, arg1, 24); + emith_lsrf(arg0, arg1, 24); + emith_asrf(arg0, arg1, 24); + emith_rolf(arg0, arg1, 24); + emith_rorf(arg0, arg1, 24); + emith_move_r_r(0, 0); + emith_rolcf(arg0); + emith_rorcf(arg0); + + emith_negcf_r_r(arg0, arg1); + emith_move_r_r(0, 0); + + emith_eor_r_r_imm(arg0, arg1, 100); + emith_eor_r_r_imm(arg0, arg1, 10000); + emith_eor_r_r_imm(arg0, arg1, -100); + emith_eor_r_r_imm(arg0, arg1, -10000); + emith_move_r_r(0, 0); + + emith_move_r_imm(arg0, 100); + emith_move_r_imm(arg0, 1000); + emith_move_r_imm(arg0, 10000); + emith_move_r_imm(arg0, -100); + emith_move_r_imm(arg0, -1000); + emith_move_r_imm(arg0, -10000); + emith_move_r_r(0, 0); + + emith_move_r_ptr_imm(arg0, 0x1234567887654321ULL); + emith_move_r_ptr_imm(arg1, 0x8765432112345678ULL); + emith_move_r_ptr_imm(arg2, 0x0011223344556677ULL); + emith_move_r_ptr_imm(arg3, 0x7766554433221100ULL); + emith_move_r_r(0, 0); + + emith_tpop_carry(29, 0); + emith_tpush_carry(29, 0); + emith_move_r_r(0, 0); + + emith_carry_to_t(29, 0); + emith_t_to_carry(29, 0); + emith_move_r_r(0, 0); + + emith_write_sr(29, arg0); + emith_move_r_r(0, 0); + + emith_sh2_delay_loop(11, arg0); + emith_move_r_r(0, 0); + emith_sh2_delay_loop(11, -1); + emith_move_r_r(0, 0); + + emith_sh2_div1_step(arg0, arg1, 29); + emith_move_r_r(0, 0); + + emith_sh2_macl(arg0, arg1, arg2, arg3, 29); + emith_move_r_r(0, 0); + emith_sh2_macw(arg0, arg1, arg2, arg3, 29); + emith_move_r_r(0, 0); + + emith_flush(); + emith_pool_commit(1); + + emith_ret(); + + f = fopen("test.bin", "w"); + fwrite(tcache_ring[0].base, 1, tcache_ptr - tcache_ring[0].base, f); + fclose(f); + + do_host_disasm(0); + +#if 0 + testfunc = (void *)tcache_next[0]; + tcache_ptr = tcache_next[0]; + emith_move_r_r(RET_REG, arg0); + emith_ret(); + host_instructions_updated(tcache_next[0], tcache_ptr); + ret = testfunc(0x00000001); + printf("ret %x\n",ret); +#endif +} +