Cleanup library

library/egos.h

@@ -53,14 +53,6 @@ struct grass {
 extern struct earth *earth;
 extern struct grass *grass;
 
-#ifndef LIBC_STDIO
-#define printf earth->tty_printf
-#define INFO earth->tty_info
-#define FATAL earth->tty_fatal
-#define SUCCESS earth->tty_success
-#define CRITICAL earth->tty_critical
-#endif
-
 /* Memory layout */
 #define PAGE_SIZE 4096
 #define FRAME_CACHE_END 0x80020000
@@ -70,7 +62,6 @@ extern struct grass *grass;
 #define SYSCALL_ARG 0x80002400 /* 1KB system call args */
  /* 1KB grass interface */
 #define APPS_STACK_TOP 0x80002000 /* 6KB app stack */
-#define EXCP_STACK_OFFSET 0x00000400 /* 1KB saved exception stack */
 #define APPS_ARG 0x80000000 /* 1KB app main() argc, argv */
 #define APPS_SIZE 0x00003000 
 #define APPS_ENTRY 0x08005000 /* 12KB app code+data */
@@ -79,6 +70,16 @@ extern struct grass *grass;
  /* 12KB earth data */
  /* earth code is in QSPI flash */
 
+
+#ifndef LIBC_STDIO
+/* Only earth/dev_tty.c uses LIBC_STDIO and does not need these macros */
+#define printf earth->tty_printf
+#define INFO earth->tty_info
+#define FATAL earth->tty_fatal
+#define SUCCESS earth->tty_success
+#define CRITICAL earth->tty_critical
+#endif
+
 /* Memory-mapped I/O register access macros */
 #define ACCESS(x) (*(__typeof__(*x) volatile *)(x))
 #define REGW(base, offset) (ACCESS((unsigned int*)(base + offset)))

library/elf/elf.c

@@ -32,6 +32,7 @@ static void load_app(int pid, elf_reader reader,
  int argc, void** argv,
  struct elf32_program_header* pheader) {
 
+ /* Debug printing during bootup */
  if (pid < GPID_USER_START) {
  INFO("App file size: 0x%.8x bytes", pheader->p_filesz);
  INFO("App memory size: 0x%.8x bytes", pheader->p_memsz);

library/file/disk.c

@@ -4,7 +4,7 @@
  */
 
 /* Author: Yunhao Zhang
- * Description: the inode_store for accessing the physical disk
+ * Description: the inode_store structure for accessing the physical disk
  */
 
 #include "egos.h"