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hello_world updates
authorAnton Blanchard <anton@linux.ibm.com>
Sun, 19 Jan 2020 05:15:22 +0000 (16:15 +1100)
committerAnton Blanchard <anton@ozlabs.org>
Sun, 19 Jan 2020 07:17:15 +0000 (18:17 +1100)
Shrink hello_world a bit (from 12kB to 8kB).
Include the built images
Add 0x10 and 0x100 entry points

Signed-off-by: Anton Blanchard <anton@linux.ibm.com>
hello_world/head.S patch | blob | history
hello_world/hello_world.bin [new file with mode: 0755] patch | blob
hello_world/hello_world.elf [new file with mode: 0755] patch | blob
hello_world/hello_world.hex [new file with mode: 0644] patch | blob

diff --git a/hello_world/head.S b/hello_world/head.S
index af861f450595d864357156948c04cccaaa2b4ad3..63576063f040c707d307a6c0ea4216e16f3f2da9 100644 (file)
--- a/hello_world/head.S
+++ b/hello_world/head.S
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#define STACK_TOP 0x3000
+#define STACK_TOP 0x2000
 
 #define FIXUP_ENDIAN                                              \
        tdi   0,0,0x48;   /* Reverse endian of b . + 8          */ \
@@ -40,9 +40,21 @@
 
        .section ".head","ax"
 
+       /*
+        * Microwatt currently enters in LE mode at 0x0, so we don't need to
+        * do any endian fix ups>
+        */
        . = 0
 .global _start
 _start:
+       b       boot_entry
+
+       /* QEMU enters at 0x10 */
+       . = 0x10
+       FIXUP_ENDIAN
+       b       boot_entry
+
+       . = 0x100
        FIXUP_ENDIAN
        b       boot_entry
 
diff --git a/hello_world/hello_world.bin b/hello_world/hello_world.bin
new file mode 100755 (executable)
index 0000000..0be5283
Binary files /dev/null and b/hello_world/hello_world.bin differ
diff --git a/hello_world/hello_world.elf b/hello_world/hello_world.elf
new file mode 100755 (executable)
index 0000000..452bf29
Binary files /dev/null and b/hello_world/hello_world.elf differ
diff --git a/hello_world/hello_world.hex b/hello_world/hello_world.hex
new file mode 100644 (file)
index 0000000..aa27a6b
--- /dev/null
+++ b/hello_world/hello_world.hex
@@ -0,0 +1,586 @@
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