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Merge pull request #10 from suzukiplan/vgsdrun
vgsdrun: debug run command
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| Original file line number | Diff line number | Diff line change |
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@@ -67,4 +67,5 @@ tp_int | |
| vgsasm | ||
| asmtest | ||
| tp.bin | ||
| vgsdrun | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,5 +1,8 @@ | ||
| # Changes | ||
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| ## Version 0.3.0 | ||
| - `vgsdrun` コマンドを追加 | ||
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| ## Version 0.2.0 | ||
| - cpu | ||
| - レジスタが指すアドレス値からの load/store に対応 | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| #include "vgsasm.h" | ||
| #include "vgscpu.h" | ||
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| static struct program_table PT; | ||
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| static int show_op(unsigned int rp) | ||
| { | ||
| int i, j, l; | ||
| unsigned int addr; | ||
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| for (addr = 0, i = 0; i < PT.line_number; i++) { | ||
| if (PT.line[i].oplen) { | ||
| if (addr == rp) { | ||
| printf("%08x:", addr); | ||
| for (j = 0; j < PT.line[i].oplen; j++) { | ||
| printf(" %02X", (int)PT.line[i].op[j]); | ||
| } | ||
| for (; j < 8; j++) { | ||
| printf(" "); | ||
| } | ||
| printf(":"); | ||
| for (j = 0; j < PT.line[i].toknum; j++) { | ||
| switch (j) { | ||
| case 0: | ||
| printf(" line#%05d > %-4s", PT.line[i].number, PT.line[i].token[j]); | ||
| break; | ||
| case 1: | ||
| if (PT.line[i].branch_label[0]) { | ||
| memcpy(&l, &PT.line[i].op[1], 4); | ||
| printf(" $%x", l); | ||
| } else { | ||
| printf(" %s", PT.line[i].token[j]); | ||
| } | ||
| break; | ||
| case 2: | ||
| printf(", %s", PT.line[i].token[j]); | ||
| break; | ||
| default: | ||
| printf(" %s", PT.line[i].token[j]); | ||
| break; | ||
| } | ||
| } | ||
| printf("\n"); | ||
| return 0; | ||
| } | ||
| addr += PT.line[i].oplen; | ||
| } | ||
| } | ||
| return -1; | ||
| } | ||
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| int vgsdrun(struct program_table* pt) | ||
| { | ||
| void* ctx; | ||
| void* pg; | ||
| int psize; | ||
| int i; | ||
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| memcpy(&PT, pt, sizeof(PT)); | ||
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| for (psize = 0, i = 0; i < PT.line_number; i++) { | ||
| if (PT.line[i].oplen) { | ||
| psize += PT.line[i].oplen; | ||
| } | ||
| } | ||
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| if (0 == psize) { | ||
| puts("empty"); | ||
| return -1; | ||
| } | ||
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| pg = malloc(psize); | ||
| if (NULL == pg) { | ||
| puts("no memory"); | ||
| return -1; | ||
| } | ||
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| for (psize = 0, i = 0; i < PT.line_number; i++) { | ||
| if (PT.line[i].oplen) { | ||
| memcpy(&((char*)pg)[psize], PT.line[i].op, PT.line[i].oplen); | ||
| psize += PT.line[i].oplen; | ||
| } | ||
| } | ||
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| ctx = vgscpu_create_context(); | ||
| if (NULL == ctx) { | ||
| puts("could not create context"); | ||
| free(pg); | ||
| return -1; | ||
| } | ||
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| if (vgscpu_load_program(ctx, pg, psize)) { | ||
| puts("could not load program"); | ||
| free(pg); | ||
| vgscpu_release_context(ctx); | ||
| return -1; | ||
| } | ||
| free(pg); | ||
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| if (vgscpu_run(ctx)) { | ||
| printf("CPU error detected: %s\n", vgscpu_get_last_error(ctx)); | ||
| return -1; | ||
| } | ||
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| vgscpu_release_context(ctx); | ||
| return 0; | ||
| } | ||
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| void vgsdrun_callback(struct vgscpu_context* c) | ||
| { | ||
| if (show_op(c->r.p)) { | ||
| printf("invalid address: $%x\n", c->r.p); | ||
| } else if (0x00 == c->p[c->r.p]) { | ||
| printf("\n[registers]\n"); | ||
| printf("c->r.a = %08X, c->r.b = %08X, c->r.c = %08X, c->r.d = %08X\n", c->r.a, c->r.b, c->r.c, c->r.d); | ||
| printf("c->r.p = %08X, c->r.s = %08X, c->f.z = %08X, c->f.q = %08X\n", c->r.p, c->r.s, c->f.z, c->f.z); | ||
| } | ||
| } |
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