Changeset 586 for trunk/softs/tsar_boot/src/reset_utils.c

Timestamp:

Dec 4, 2013, 7:59:21 PM (10 years ago)

Author:

alain

Message:

Modify the name "boot" to "reset" to avoid confusion
between the pre-loader and the boot-loader...
Increase the size of the segment containing the stacks.

File:

• trunk/softs/tsar_boot/src/reset_utils.c (moved) (moved from trunk/softs/tsar_boot/src/boot_utils.c) (8 diffs)

trunk/softs/tsar_boot/src/reset_utils.c

@@ -1 +1 @@
 /**
- * \file    : boot_utils.c
+ * \file    : reset_utils.c
  * \date    : August 2012
  * \author  : Cesar Fuguet
  *
- * Definition of some miscellaneous functions used in by the
- * pre-loader
+ * Definition of utilities functions used by the TSAR pre-loader
  */
 
-#include <boot_utils.h>
+#include <reset_utils.h>
 
-/**
+/*****************************************
+ * proctime()
+ *
+ * Returns processor local time.
+ ****************************************/
+inline unsigned int proctime() 
+{
+    unsigned int ret;
+    asm volatile ("mfc0   %0,        $9":"=r" (ret));
+    return ret;
+}
+
+/*****************************************
  * memcpy( _dst, _src, size )
  *
- * Transfer data between to memory buffers.
+ * Transfer data between two memory buffers.
  *
  * \param _dst   : Destination buffer base address 
@@ -19 +30 @@
  * \param size   : Number of bytes to transfer 
  *
- */
+ ****************************************/
 void * memcpy(void *_dst, const void *_src, unsigned int size)
 {
@@ -25 +36 @@
     const unsigned int *src = _src;
     if ( ! ((unsigned int)dst & 3) && ! ((unsigned int)src & 3) )
-        while (size > 3) {
+        while (size > 3) 
+        {
             *dst++ = *src++;
             size -= 4;
@@ -33 +45 @@
     unsigned char *csrc = (unsigned char*) src;
 
-    while (size--) {
+    while (size--) 
+    {
         *cdst++ = *csrc++;
     }
@@ -39 +52 @@
 }
 
-/**
+/*****************************************
  * memset( _dst, value, size )
  *
@@ -48 +61 @@
  * \param size   : Number of bytes to initialize
  *
- */
+ ****************************************/
 void * memset(void *_dst, const int value, unsigned int size)
 {
@@ -58 +71 @@
 }
 
-/*
- * Misc functions for the ELF format
- */
-
-/**
- * boot_print_elf_phdr( elf_phdr_ptr )
+/*****************************************
+ * reset_print_elf_phdr( elf_phdr_ptr )
  *
  * Print some fields of a ELF program header
@@ -69 +78 @@
  * \param elf_phdr_ptr : Pointer to the ELF program header to print
  *
- */
-void boot_print_elf_phdr(Elf32_Phdr * elf_phdr_ptr)
+ ****************************************/
+void reset_print_elf_phdr(Elf32_Phdr * elf_phdr_ptr)
 {
-    boot_puts("- type   : ");
-    boot_putx(elf_phdr_ptr->p_type);
+    reset_puts("- type   : ");
+    reset_putx(elf_phdr_ptr->p_type);
 
-    boot_puts("\n- offset : ");
-    boot_putx(elf_phdr_ptr->p_offset);
+    reset_puts("\n- offset : ");
+    reset_putx(elf_phdr_ptr->p_offset);
 
-    boot_puts("\n- vaddr  : ");
-    boot_putx(elf_phdr_ptr->p_vaddr);
+    reset_puts("\n- vaddr  : ");
+    reset_putx(elf_phdr_ptr->p_vaddr);
 
-    boot_puts("\n- paddr  : ");
-    boot_putx(elf_phdr_ptr->p_paddr);
+    reset_puts("\n- paddr  : ");
+    reset_putx(elf_phdr_ptr->p_paddr);
 
-    boot_puts("\n- filesz : ");
-    boot_putx(elf_phdr_ptr->p_filesz);
+    reset_puts("\n- filesz : ");
+    reset_putx(elf_phdr_ptr->p_filesz);
 
-    boot_puts("\n- memsz  : ");
-    boot_putx(elf_phdr_ptr->p_memsz);
+    reset_puts("\n- memsz  : ");
+    reset_putx(elf_phdr_ptr->p_memsz);
 
-    boot_puts("\n- flags  : ");
-    boot_putx(elf_phdr_ptr->p_flags);
+    reset_puts("\n- flags  : ");
+    reset_putx(elf_phdr_ptr->p_flags);
 
-    boot_puts("\n- align  : ");
-    boot_putx(elf_phdr_ptr->p_align);
+    reset_puts("\n- align  : ");
+    reset_putx(elf_phdr_ptr->p_align);
 }