summaryrefslogtreecommitdiff
path: root/arch/arm/boot/compressed
diff options
context:
space:
mode:
authorEric Miao <eric.miao@marvell.com>2009-03-09 21:21:07 +0800
committerEric Miao <eric.miao@marvell.com>2009-03-09 21:21:07 +0800
commitabcea2c322cef559ef2f108b4763d107a5ccc37f (patch)
tree5fec7fec372f9bdb70703f6c77bfc49cda945442 /arch/arm/boot/compressed
parent8118aea23c328fd4913b325af53fda9d530b1d56 (diff)
parent6d831c6554e4f95083919914955a1a3a4a6acfa9 (diff)
Merge branch 'devel' of ssh://master.kernel.org/home/rmk/linux-2.6-arm into devel
Diffstat (limited to 'arch/arm/boot/compressed')
-rw-r--r--arch/arm/boot/compressed/head.S6
-rw-r--r--arch/arm/boot/compressed/misc.c15
-rw-r--r--arch/arm/boot/compressed/vmlinux.lds.in5
3 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 77d614232d81..d1b678dc120b 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -27,6 +27,12 @@
.macro writeb, ch, rb
mcr p14, 0, \ch, c0, c5, 0
.endm
+#elif defined(CONFIG_CPU_XSCALE)
+ .macro loadsp, rb
+ .endm
+ .macro writeb, ch, rb
+ mcr p14, 0, \ch, c8, c0, 0
+ .endm
#else
.macro loadsp, rb
.endm
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 3fc08413fff0..393c81641314 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -46,6 +46,21 @@ static void icedcc_putc(int ch)
asm("mcr p14, 0, %0, c0, c5, 0" : : "r" (ch));
}
+#elif defined(CONFIG_CPU_XSCALE)
+
+static void icedcc_putc(int ch)
+{
+ int status, i = 0x4000000;
+
+ do {
+ if (--i < 0)
+ return;
+
+ asm volatile ("mrc p14, 0, %0, c14, c0, 0" : "=r" (status));
+ } while (status & (1 << 28));
+
+ asm("mcr p14, 0, %0, c8, c0, 0" : : "r" (ch));
+}
#else
diff --git a/arch/arm/boot/compressed/vmlinux.lds.in b/arch/arm/boot/compressed/vmlinux.lds.in
index 153a07e7222b..a5924b9b88bd 100644
--- a/arch/arm/boot/compressed/vmlinux.lds.in
+++ b/arch/arm/boot/compressed/vmlinux.lds.in
@@ -11,6 +11,11 @@ OUTPUT_ARCH(arm)
ENTRY(_start)
SECTIONS
{
+ /DISCARD/ : {
+ *(.ARM.exidx*)
+ *(.ARM.extab*)
+ }
+
. = TEXT_START;
_text = .;