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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| #!/bin/sh | ||
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| bcc -0 -Md -o emuctrl.com -ansi emuctrl.c | ||
| mv emuctrl.com ../../ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,176 @@ | ||
| #include <assert.h> | ||
| #include <stdlib.h> | ||
| #include <stdio.h> | ||
|
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||
| #if !defined(__BCC__) || !defined(__MSDOS__) | ||
| #error Use BCC to produce MSDOS executable! | ||
| #endif | ||
|
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| #ifdef __FIST_ARG_IN_AX__ | ||
| #error Unexpected calling convension! | ||
| #endif | ||
|
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||
| /* Should be synced with frontend.h */ | ||
| enum { | ||
| FRONTEND_CTRL_RESET, | ||
| FRONTEND_CTRL_SHUTDOWN, | ||
| FRONTEND_CTRL_HAS_DATA, | ||
| FRONTEND_CTRL_READ_DATA, | ||
| FRONTEND_CTRL_WRITE_DATA, | ||
| FRONTEND_CTRL_POPEN, | ||
| FRONTEND_CTRL_PCLOSE, | ||
| FRONTEND_CTRL_FCLOSE, | ||
| FRONTEND_CTRL_PUSH, | ||
| FRONTEND_CTRL_PULL | ||
| }; | ||
|
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||
| static int read_status(void) { | ||
| #asm | ||
| xor ax, ax | ||
| in al, 0xB4 | ||
| #endasm | ||
| } | ||
|
|
||
| static void write_command_(unsigned char c) { | ||
| #asm | ||
| push bx | ||
| mov bx, sp | ||
| mov al, [bx+4] | ||
| out 0xB4, al | ||
| pop bx | ||
| #endasm | ||
| } | ||
|
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| static int write_command(unsigned char c) { | ||
| write_command_(c); | ||
| return read_status(); | ||
| } | ||
|
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| static void reset(void) { | ||
| int status = write_command(FRONTEND_CTRL_RESET); | ||
| assert(!status); | ||
| } | ||
|
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| static void write_data(unsigned char c) { | ||
| #asm | ||
| push bx | ||
| mov bx, sp | ||
| mov al, [bx+4] | ||
| out 0xB5, al | ||
| pop bx | ||
| #endasm | ||
| } | ||
|
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| static unsigned char read_data(void) { | ||
| #asm | ||
| xor ax, ax | ||
| in al, 0xB5 | ||
| #endasm | ||
| } | ||
|
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||
| static void print_help(void) { | ||
| printf( | ||
| "Usage: emuctrl [cmd] <args...>\n\n" | ||
| " shutdown Terminates the emulator\n" | ||
| " popen <args...> Execute command on host and pipe input to guest\n" | ||
| " push [src] [dest] Upload file from guest to host\n" | ||
| " pull [src] [dest] Download file from host to guest\n" | ||
| "\n" | ||
| ); | ||
| exit(-1); | ||
| } | ||
|
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||
| char buffer[256] = {0}; | ||
|
|
||
| int main(int argc, char *argv[]) { | ||
| int i; | ||
| char *ptr; | ||
| FILE *fp; | ||
|
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||
| if (write_command(FRONTEND_CTRL_RESET) != 0) { | ||
| printf("Make sure the VirtualXT 'ctrl' module is loaded.\n"); | ||
| return -1; | ||
| } | ||
|
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||
| if (argc < 2) | ||
| print_help(); | ||
|
|
||
| if (!strcmp(argv[1], "shutdown")) { | ||
| reset(); | ||
| write_command(FRONTEND_CTRL_SHUTDOWN); | ||
| } else if (!strcmp(argv[1], "popen")) { | ||
| if (argc < 3) { | ||
| printf("Host Command: "); | ||
| gets(buffer); | ||
| } else for (i = 2; i < argc; i++) { | ||
| if (i > 2) | ||
| strcat(buffer, " "); | ||
| strcat(buffer, argv[i]); | ||
| } | ||
|
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||
| reset(); | ||
| for (ptr = buffer; *ptr; ptr++) | ||
| write_data(*ptr); | ||
| write_data(0); | ||
|
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| if (write_command(FRONTEND_CTRL_POPEN)) { | ||
| printf("Could not open process: %s\n", argv[2]); | ||
| return -1; | ||
| } | ||
|
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||
| while (write_command(FRONTEND_CTRL_HAS_DATA)) | ||
| putc(read_data(), stdout); | ||
| write_command(FRONTEND_CTRL_PCLOSE); | ||
| } else if (!strcmp(argv[1], "push")) { | ||
| if (argc < 4) | ||
| print_help(); | ||
|
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||
| reset(); | ||
| for (ptr = argv[3]; *ptr; ptr++) | ||
| write_data(*ptr); | ||
| write_data(0); | ||
|
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||
| if (write_command(FRONTEND_CTRL_PUSH)) { | ||
| printf("Could not copy: %s -> %s\n", argv[2], argv[3]); | ||
| return -1; | ||
| } | ||
|
|
||
| if (!(fp = fopen(argv[2], "rb"))) { | ||
| printf("Could not open: %s\n", argv[2]); | ||
| return -1; | ||
| } | ||
|
|
||
| while ((i = fgetc(fp)) != EOF) | ||
| write_data(i); | ||
|
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| write_command(FRONTEND_CTRL_FCLOSE); | ||
| fclose(fp); | ||
| } else if (!strcmp(argv[1], "pull")) { | ||
| if (argc < 4) | ||
| print_help(); | ||
|
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||
| reset(); | ||
| for (ptr = argv[2]; *ptr; ptr++) | ||
| write_data(*ptr); | ||
| write_data(0); | ||
|
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| if (write_command(FRONTEND_CTRL_PULL)) { | ||
| printf("Could not copy: %s -> %s\n", argv[2], argv[3]); | ||
| return -1; | ||
| } | ||
|
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| if (!(fp = fopen(argv[3], "wb"))) { | ||
| printf("Could not open: %s\n", argv[3]); | ||
| return -1; | ||
| } | ||
|
|
||
| while (write_command(FRONTEND_CTRL_HAS_DATA)) | ||
| fputc(read_data(), fp); | ||
|
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| write_command(FRONTEND_CTRL_FCLOSE); | ||
| fclose(fp); | ||
| } else { | ||
| print_help(); | ||
| } | ||
| return 0; | ||
| } |