Changeset 2a0047fc in mainline

Timestamp:

2005-05-02T19:49:46Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

2217ac3

Parents:

30ef8ce

Message:

More IA-64 work.

Location:

arch/ia64

Files:

• Makefile.inc (modified) (1 diff)
• _link.ld (modified) (1 diff)
• boot/_link.ld (modified) (1 diff)
• boot/boot.s (modified) (1 diff)
• include/ski/ski.h (added)
• src/fake.s (modified) (2 diffs)
• src/ia64.c (added)
• src/putchar.c (added)
• src/start.S (modified) (2 diffs)

arch/ia64/Makefile.inc

@@ -17 +17 @@
 arch_sources= \
         arch/start.S \
-        arch/fake.s
+        arch/fake.s \
+        arch/putchar.c \
+        arch/ia64.c

arch/ia64/_link.ld

@@ -3 +3 @@
 
 SECTIONS {
-    .image 0x8000000000000000: AT (0x8000000000000000) { 
+    .image 0x0000000000001000: AT (0x0000000000001000) { 
             *(.text .stub .text.* .gnu.linkonce.t.*)
             *(.interp)

arch/ia64/boot/_link.ld

@@ -3 +3 @@
 
 SECTIONS {
-    .image 0xf000000000000000: AT (0xf000000000000000) { 
+    .image 0x0000000000000000: AT (0x0000000000000000) { 
             *(.text .stub .text.* .gnu.linkonce.t.*)
             *(.interp)

arch/ia64/boot/boot.s

@@ -31 +31 @@
 .global start
 start:
-    brl -0x7000000000000000
+    brl 0x0000000001000000

arch/ia64/src/fake.s

@@ -51 +51 @@
 .global memsetb
 .global panic
-.global putchar
 
 before_thread_runs:
@@ -75 +74 @@
 memsetb:
 panic:
-putchar:
-        brl 0x0
+        br.ret.sptk.many rp
 

arch/ia64/src/start.S

@@ -27 +27 @@
 #
 
+#include <arch/ski/ski.h>
+
 .text
 
@@ -32 +34 @@
 
 kernel_image_start:
-        brl 0x0
+        # initialize gp (Global Pointer) register
+        mov r1=0x1000
+
+        # initialize Ski console using SSC (Simulator System Sall)
+        mov r15=SKI_CONSOLE_INIT
+        break 0x80000
+
+0:
+        mov r15=SKI_CONSOLE_PUTC
+        mov r32='.'
+        break 0x80000
+
+        br 0b