From Adrien Destugues <pulkomandy@xxxxxxxxx>:
Adrien Destugues has uploaded this change for review. (
https://review.haiku-os.org/c/haiku/+/3573 ;)
Change subject: sparc: move kernel to a lower address
......................................................................
sparc: move kernel to a lower address
The openboot mmu code does not like addresses above 4GB, so load the
kernel to a lower address. It doesn't really matter anyway, because on
sparc the kernel normally lives in a separate address space and uses
special instructions to access userland memory.
---
M headers/private/kernel/arch/sparc/arch_kernel.h
M src/system/ldscripts/sparc/kernel.ld
2 files changed, 2 insertions(+), 2 deletions(-)
git pull ssh://git.haiku-os.org:22/haiku refs/changes/73/3573/1
diff --git a/headers/private/kernel/arch/sparc/arch_kernel.h
b/headers/private/kernel/arch/sparc/arch_kernel.h
index 5666fff..8adf4d4 100644
--- a/headers/private/kernel/arch/sparc/arch_kernel.h
+++ b/headers/private/kernel/arch/sparc/arch_kernel.h
@@ -9,7 +9,7 @@
#include <arch/cpu.h>
// memory layout
-#define KERNEL_LOAD_BASE_64_BIT 0xffffffff80000000ll
+#define KERNEL_LOAD_BASE_64_BIT 0x80000000ll
// Base of the kernel address space.
// KERNEL_BASE is the base of the kernel address space. This differs from the
diff --git a/src/system/ldscripts/sparc/kernel.ld
b/src/system/ldscripts/sparc/kernel.ld
index 58809ff..cfe02a7 100644
--- a/src/system/ldscripts/sparc/kernel.ld
+++ b/src/system/ldscripts/sparc/kernel.ld
@@ -13,7 +13,7 @@
SECTIONS
{
- . = 0xFFFFFFFF80000000 + SIZEOF_HEADERS;
+ . = 0x80000000 + SIZEOF_HEADERS;
.interp : { *(.interp) } : text
.hash : { *(.hash) }
--
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Gerrit-Project: haiku
Gerrit-Branch: master
Gerrit-Change-Id: Iac6901f275667efef5e64d059daf4c96032a7baf
Gerrit-Change-Number: 3573
Gerrit-PatchSet: 1
Gerrit-Owner: Adrien Destugues <pulkomandy@xxxxxxxxx>
Gerrit-MessageType: newchange
