Changeset 189 for soft/giet_vm/boot/boot.ld

Timestamp:

Aug 7, 2012, 6:37:49 PM (12 years ago)

Author:

alain

Message:

Introducing a new release where all initialisation
is done in the boot code.

File:

• soft/giet_vm/boot/boot.ld (modified) (2 diffs)

soft/giet_vm/boot/boot.ld

@@ -3 +3 @@
 *****************************************************************************/
 
-/* The vsegs used in the boot phase must respect identity mapping:
-   physical address = virtual address */
+/* 
+The following (virtual) addresses are specific for the boot phase.
+They must respect identity mapping: physical address = virtual address 
+*/
 
 seg_boot_base           = 0xBFC00000;   /* boot code */
@@ -12 +14 @@
 seg_mapping_base        = 0xBFC0C000;   /* boot mapping_info */
 
+/* 
+The following (virtual) addresse are defined and used by the kernel.
+They are not constrained to respect identity mapping.  
+*/
+
 seg_kernel_init_base    = 0x80090000;   /* system init entry */ 
 
-seg_tty_base            = 0x90000000;   /* TTY device: for debug purpose! */
+seg_tty_base                = 0x90000000;   /* TTY device */
+seg_timer_base              = 0x91000000;   /* Timer device */
+seg_ioc_base                = 0x92000000;   /* Block device */
+seg_dma_base                = 0x93000000;   /* DMA device */
+seg_gcd_base                = 0x95000000;   /* GCD device */
+seg_fb_base                 = 0x96000000;   /* FrameBuffer device */
+seg_iob_base                = 0x9E000000;   /* IO Bridge device */
+seg_icu_base                = 0x9F000000;   /* ICU or XICU device */
 
 /*
- * Grouping sections into segments for boot code and data
- */
+Grouping sections into segments for boot code and data
+*/
 
 SECTIONS
 {
-    /** contain both data and code sections */
+    /* contain both data and code sections */
     . = seg_boot_base;
     seg_boot :