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wrote a shell but have an error will debug tomorrow

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Amoelle
2025-07-29 21:48:16 +03:00
parent bc9fa4eac7
commit cfffd14b4b
7 changed files with 86 additions and 22 deletions
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38
shell.c
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@@ -1,17 +1,29 @@
#include "user.h"
void main(void) {
// *((volatile int *) 0x80200000) = 0x1234;
// printf(" ___ ___ ___ ___ ___ ___ ___ \\n");
// printf(" /\\ \\ /\\__\\ /\\ \\ /\\ \\ /\\__\\ /\\ \\ /\\ \\ \\n");
// printf(" /::\\ \\ /::| | /::\\ \\ /::\\ \\ /:/ / /::\\ \\ /::\\ \\ \\n");
// printf(" /:/\\:\\ \\ /:|:| | /:/\\:\\ \\ /:/\\:\\ \\ /:/ / /:/\\:\\ \\ /:/\\ \\ \\ \\n");
// printf(" /::\\~\\:\\ \\ /:/|:|__|__ /:/ \\:\\ \\ /::\\~\\:\\ \\ /:/ / /:/ \\:\\ \\ _\\:\\~\\ \\ \\ \\n");
// printf(" /:/\\:\\ \\:\\__\\ /:/ |::::\\__\\ /:/__/ \\:\\__\\ /:/\\:\\ \\:\\__\\ /:/__/ /:/__/ \\:\\__\\ /\\ \\:\\ \\ \\__\\\\n");
// printf(" \\/__\\:\\/:/ / \\/__/~~/:/ / \\:\\ \\ /:/ / \\:\\~\\:\\ \\/__/ \\:\\ \\ \\:\\ \\ /:/ / \\:\\ \\:\\ \\/__/\\n");
// printf(" \\::/ / /:/ / \\:\\ /:/ / \\:\\ \\:\\__\\ \\:\\ \\ \\:\\ /:/ / \\:\\ \\:\\__\\ \\n");
// printf(" /:/ / /:/ / \\:\\/:/ / \\:\\ \\/__/ \\:\\ \\ \\:\\/:/ / \\:\\/:/ / \\n");
// printf(" /:/ / /:/ / \\::/ / \\:\\__\\ \\:\\__\\ \\::/ / \\::/ / \\n");
// printf(" \\/__/ \\/__/ \\/__/ \\/__/ \\/__/ \\/__/ \\/__/ \\n");
for (;;);
while (1) {
prompt:
printf("# > ");
char cmdline[128];
for (int i = 0;; i++) {
char ch = getchar();
putchar(ch);
if (i == sizeof(cmdline) - 1) {
printf("too much yapping bro :(\n");
goto prompt;
} else if (ch == '\r') {
printf("\n");
cmdline[i] = '\0';
break;
} else {
cmdline[i] = ch;
}
}
if (strcmp(cmdline, "hello") == 0) {
printf("Hellow :3\n");
} else {
printf("I don't know what is %s yet :(", cmdline);
}
}
}