improved params and environment passing and started snake-game :)

1 files changed, 13 insertions, 4 deletions

diff --git a/kernel/syscalls.c b/kernel/syscalls.c
index 642f04a..c025b06 100644
--- a/kernel/syscalls.c
+++ b/kernel/syscalls.c
@@ -151,12 +151,23 @@ int copy_args(char **in, char **out)
 }
 
 
-int syscall_execve(char *name, char **argv1, char **env1)
+int syscall_execve(char *name, char **argv, char **env)
 {
+
     #ifdef LOG_SYSCALLS
-    log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"execve (name=0x%08X(%s), argvs=0x%08X,  env=0x%08X)", name,name,argv1,env1);
+    log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"execve (name=0x%08X(%s), argvs=0x%08X,  env=0x%08X)", name,name,argv,env);
     #endif
 
+    int arg_count=0;
+    while(argv[arg_count]!=NULL)arg_count++;
+
+    char **argv1=kballoc(1);
+    char **env1=kballoc(1);
+
+    copy_args(argv,argv1);
+    copy_args(env,env1);
+
+
     uint32_t alloc;
     uint32_t entry_global=load_elf(name,&alloc);
     task_set_brk(alloc);
@@ -172,7 +183,6 @@ int syscall_execve(char *name, char **argv1, char **env1)
     /* try to move this to asm */
     //asm volatile("jmp .");
     asm volatile("mov $0x8fff000,%esp"); // set stack at high end of process image
-    int arg_count=0;
 
     asm volatile ("push %0" :: "r" (argv1));
     asm volatile ("push %0" :: "r" (arg_count));
@@ -184,7 +194,6 @@ int syscall_execve(char *name, char **argv1, char **env1)
     asm volatile ("sti");
     asm volatile ("ret");
 
-
     // this is never reached!
 }