diff options
Diffstat (limited to 'userspace/foolshell.c')
| -rw-r--r-- | userspace/foolshell.c | 87 |
1 files changed, 86 insertions, 1 deletions
diff --git a/userspace/foolshell.c b/userspace/foolshell.c index bc02102..7a029ef 100644 --- a/userspace/foolshell.c +++ b/userspace/foolshell.c @@ -1,4 +1,5 @@ #include <stdio.h> +#include <string.h> #include "syscalls.c" void hello() { @@ -12,6 +13,7 @@ void prompt() { "$ " ); } + int main(int argc, char **argv) { syscalls_init(); @@ -26,9 +28,92 @@ int main(int argc, char **argv) prompt(); fgets(buf,255,input); buf[strlen(buf)-1]=0; - puts(buf); +// puts(buf); + process(buf); + } return 0; } + +int process(char *command) +{ + // copied from trottelshell + + if(!strcmp(command,"HELP")) + { + puts("foolshell: supported built-in commands: HELP, ECHO, TIME, MEM, PROC, TASKS, ALLOC, READ, SYSCALL."); + } + else if(!strcmp(command,"TIME")) + { +// uint32_t time=task_system_clock; +// log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"%d seconds passed since system start.",(time/25)); + puts("foolshell: TIME not supported now."); + } + else if(!strcmp(command,"MEM")) + { + //mmap_show_free(); + puts("foolshell: MEM not supported now."); + } + else if(!strcmp(command,"PROC")) + { + /* + for(int i=0;i<SMP_MAX_PROC;i++) + { + if(cpu_counter[i]!=0) + log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"cpu: %d => %d.",i,cpu_counter[i]); + } + */ + puts("foolshell: PROC not supported now."); + } + else if(!strcmp(command,"TASKS")) + { + //log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"%d %d %d",c1,c2,c2); + puts("foolshell: TASKS not supported now."); + } + else if(!strcmp(command,"ALLOC")) + { + /* + uint32_t *malloc= pmmngr_alloc_block(); + log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"allocated 4KB block at: %08x.",malloc); + */ + puts("foolshell: ALLOC not supported now."); + } + else if(!strcmp(command,"SYSCALL")) + { + + puts("system call 10"); + unsigned int ebx; // will hold return value; + + // system call + asm("pusha"); + asm("mov $10,%eax"); // select syscall 10 (example_syscall) + asm("mov $666,%edx"); + asm("mov $333,%ecx"); + asm("int $0x80"); // actual syscall ! interrupt + asm("mov %%ebx, %0": "=b" (ebx)); + asm("popa"); + // + + printf("system call returned %i\n",ebx); + + } + else if(!strcmp(command,"ECHO")) + { + + printf("%s\n",command); + + } + else + { + puts("foolshell: command not found"); + } + + // +} + + + + + |