Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7038220aa511131f348018b85df172a21476fef9
Commit: 7038220aa511131f348018b85df172a21476fef9
Parent: e114e473771c848c3cfec05f0123e70f1cdbdc99
Author: David Howells <[EMAIL PROTECTED]>
AuthorDate: Mon Feb 4 22:29:53 2008 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Tue Feb 5 09:44:20 2008 -0800
FRV: permit the memory to be located elsewhere in NOMMU mode
Permit the memory to be located somewhere other than address 0xC0000000 in
NOMMU mode. The configuration options are already present, it just
requires wiring up in the linker script.
Note that only a limited set of locations of runtime addresses are available
because of the way the CPU protection registers work.
Signed-off-by: David Howells <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
arch/frv/Kconfig | 9 +++++++++
arch/frv/kernel/vmlinux.lds.S | 2 +-
2 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index bf0468c..96f7d70 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -138,6 +138,15 @@ config UCPAGE_OFFSET_C0000000
endchoice
+config PAGE_OFFSET
+ hex
+ default 0x20000000 if UCPAGE_OFFSET_20000000
+ default 0x40000000 if UCPAGE_OFFSET_40000000
+ default 0x60000000 if UCPAGE_OFFSET_60000000
+ default 0x80000000 if UCPAGE_OFFSET_80000000
+ default 0xA0000000 if UCPAGE_OFFSET_A0000000
+ default 0xC0000000
+
config PROTECT_KERNEL
bool "Protect core kernel against userspace"
depends on !MMU
diff --git a/arch/frv/kernel/vmlinux.lds.S b/arch/frv/kernel/vmlinux.lds.S
index f42b328..ef7527b 100644
--- a/arch/frv/kernel/vmlinux.lds.S
+++ b/arch/frv/kernel/vmlinux.lds.S
@@ -13,7 +13,7 @@ ENTRY(_start)
jiffies = jiffies_64 + 4;
-__page_offset = 0xc0000000; /* start of area covered by struct
pages */
+__page_offset = CONFIG_PAGE_OFFSET; /* start of area covered by struct
pages */
__kernel_image_start = __page_offset; /* address at which kernel image
resides */
SECTIONS
-
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