cleanup

grass/scheduler.c

@@ -140,11 +140,11 @@ static void proc_send(struct syscall *sc) {
  } else {
  /* Copy message from sender to kernel stack */
  struct sys_msg tmp;
- memcpy(&tmp, &sc->msg, SYSCALL_MSG_LEN);
+ memcpy(&tmp, &sc->msg, sizeof(tmp));
 
  /* Copy message from kernel stack to receiver */
  earth->mmu_switch(receiver);
- memcpy(&sc->msg, &tmp, SYSCALL_MSG_LEN);
+ memcpy(&sc->msg, &tmp, sizeof(tmp));
  earth->mmu_switch(curr_pid);
 
  /* Set receiver process as runnable */
@@ -170,11 +170,11 @@ static void proc_recv(struct syscall *sc) {
  /* Copy message from sender to kernel stack */
  struct sys_msg tmp;
  earth->mmu_switch(sender);
- memcpy(&tmp, &sc->msg, SYSCALL_MSG_LEN);
+ memcpy(&tmp, &sc->msg, sizeof(tmp));
 
  /* Copy message from kernel stack to receiver */
  earth->mmu_switch(curr_pid);
- memcpy(&sc->msg, &tmp, SYSCALL_MSG_LEN);
+ memcpy(&sc->msg, &tmp, sizeof(tmp));
 
  /* Set sender process as runnable */
  proc_set_runnable(sender);

library/egos.h

@@ -1,9 +1,5 @@
 #pragma once
 
-#define ENV_DIR_LEN 32
-#define PAGE_SIZE 4096
-#define SYSCALL_MSG_LEN 1024
-
 struct earth {
  /* CPU interface */
  int (*intr_enable)();
@@ -30,6 +26,7 @@ struct earth {
  int (*tty_critical)(const char *format, ...);
 };
 
+#define ENV_DIR_LEN 32
 struct grass {
  /* Process control interface */
  int (*proc_alloc)();
@@ -56,6 +53,7 @@ extern struct grass *grass;
 #define CRITICAL earth->tty_critical
 
 /* memory layout */
+#define PAGE_SIZE 4096
 #define FRAME_CACHE_END 0x80020000
 #define FRAME_CACHE_START 0x80004000 /* 112KB frame cache */
  /* earth interface */

library/servers/servers.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "block_store.h"
+#define SYSCALL_MSG_LEN 1024
 
 void exit(int status);
 int dir_lookup(int dir_ino, char* name);