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-rw-r--r--arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c3
-rw-r--r--arch/arm/boards/eukrea_cpuimx35/flash_header.c3
-rw-r--r--arch/arm/boards/eukrea_cpuimx51/flash_header.c3
-rw-r--r--arch/arm/boards/freescale-mx25-3-stack/3stack.c3
-rw-r--r--arch/arm/boards/freescale-mx35-3-stack/flash_header.c3
-rw-r--r--arch/arm/boards/freescale-mx51-pdk/flash_header.c3
-rw-r--r--arch/arm/boards/freescale-mx53-loco/flash_header.c3
-rw-r--r--arch/arm/boards/freescale-mx53-smd/flash_header.c3
-rw-r--r--arch/arm/cpu/mmu.c4
-rw-r--r--arch/arm/cpu/start.c14
-rw-r--r--arch/arm/include/asm/barebox-arm-head.h24
-rw-r--r--arch/arm/include/asm/barebox-arm.h2
-rw-r--r--arch/arm/lib/barebox.lds.S5
13 files changed, 55 insertions, 18 deletions
diff --git a/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c b/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c
index 73e54f2f54..695e75f288 100644
--- a/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c
+++ b/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c
@@ -46,13 +46,14 @@
#include <usb/fsl_usb2.h>
#include <mach/usb.h>
#include <mach/devices-imx25.h>
+#include <asm/barebox-arm-head.h>
extern unsigned long _stext;
extern void exception_vectors(void);
void __naked __flash_header_start go(void)
{
- __asm__ __volatile__("b exception_vectors\n");
+ barebox_arm_head();
}
struct imx_dcd_entry __dcd_entry_section dcd_entry[] = {
diff --git a/arch/arm/boards/eukrea_cpuimx35/flash_header.c b/arch/arm/boards/eukrea_cpuimx35/flash_header.c
index 93c8348209..f8ed5d483e 100644
--- a/arch/arm/boards/eukrea_cpuimx35/flash_header.c
+++ b/arch/arm/boards/eukrea_cpuimx35/flash_header.c
@@ -1,12 +1,13 @@
#include <common.h>
#include <mach/imx-flash-header.h>
#include <mach/imx-regs.h>
+#include <asm/barebox-arm-head.h>
extern void exception_vectors(void);
void __naked __flash_header_start go(void)
{
- __asm__ __volatile__("b exception_vectors\n");
+ barebox_arm_head();
}
struct imx_dcd_entry __dcd_entry_section dcd_entry[] = {
diff --git a/arch/arm/boards/eukrea_cpuimx51/flash_header.c b/arch/arm/boards/eukrea_cpuimx51/flash_header.c
index f953b09bde..ac6bbdcc0f 100644
--- a/arch/arm/boards/eukrea_cpuimx51/flash_header.c
+++ b/arch/arm/boards/eukrea_cpuimx51/flash_header.c
@@ -1,11 +1,12 @@
#include <common.h>
#include <mach/imx-flash-header.h>
+#include <asm/barebox-arm-head.h>
extern unsigned long _stext;
void __naked __flash_header_start go(void)
{
- __asm__ __volatile__("b exception_vectors\n");
+ barebox_arm_head();
}
struct imx_dcd_entry __dcd_entry_section dcd_entry[] = {
diff --git a/arch/arm/boards/freescale-mx25-3-stack/3stack.c b/arch/arm/boards/freescale-mx25-3-stack/3stack.c
index 5aa54e43ff..d7e24cf3e7 100644
--- a/arch/arm/boards/freescale-mx25-3-stack/3stack.c
+++ b/arch/arm/boards/freescale-mx25-3-stack/3stack.c
@@ -42,13 +42,14 @@
#include <i2c/i2c.h>
#include <mfd/mc34704.h>
#include <mach/devices-imx25.h>
+#include <asm/barebox-arm-head.h>
extern unsigned long _stext;
extern void exception_vectors(void);
void __naked __flash_header_start go(void)
{
- __asm__ __volatile__("b exception_vectors\n");
+ barebox_arm_head();
}
struct imx_dcd_entry __dcd_entry_section dcd_entry[] = {
diff --git a/arch/arm/boards/freescale-mx35-3-stack/flash_header.c b/arch/arm/boards/freescale-mx35-3-stack/flash_header.c
index 92f214202e..85b52a25ca 100644
--- a/arch/arm/boards/freescale-mx35-3-stack/flash_header.c
+++ b/arch/arm/boards/freescale-mx35-3-stack/flash_header.c
@@ -1,12 +1,13 @@
#include <common.h>
#include <mach/imx-flash-header.h>
#include <mach/imx-regs.h>
+#include <asm/barebox-arm-head.h>
extern void exception_vectors(void);
void __naked __flash_header_start go(void)
{
- __asm__ __volatile__("b exception_vectors\n");
+ barebox_arm_head();
}
struct imx_dcd_entry __dcd_entry_section dcd_entry[] = {
diff --git a/arch/arm/boards/freescale-mx51-pdk/flash_header.c b/arch/arm/boards/freescale-mx51-pdk/flash_header.c
index 5f94506b69..297dca1c29 100644
--- a/arch/arm/boards/freescale-mx51-pdk/flash_header.c
+++ b/arch/arm/boards/freescale-mx51-pdk/flash_header.c
@@ -1,11 +1,12 @@
#include <common.h>
#include <mach/imx-flash-header.h>
+#include <asm/barebox-arm-head.h>
extern unsigned long _stext;
void __naked __flash_header_start go(void)
{
- __asm__ __volatile__("b exception_vectors\n");
+ barebox_arm_head();
}
struct imx_dcd_entry __dcd_entry_section dcd_entry[] = {
diff --git a/arch/arm/boards/freescale-mx53-loco/flash_header.c b/arch/arm/boards/freescale-mx53-loco/flash_header.c
index 490e223f0e..b45964059a 100644
--- a/arch/arm/boards/freescale-mx53-loco/flash_header.c
+++ b/arch/arm/boards/freescale-mx53-loco/flash_header.c
@@ -16,10 +16,11 @@
#include <common.h>
#include <asm/byteorder.h>
#include <mach/imx-flash-header.h>
+#include <asm/barebox-arm-head.h>
void __naked __flash_header_start go(void)
{
- __asm__ __volatile__("b exception_vectors\n");
+ barebox_arm_head();
}
struct imx_dcd_v2_entry __dcd_entry_section dcd_entry[] = {
diff --git a/arch/arm/boards/freescale-mx53-smd/flash_header.c b/arch/arm/boards/freescale-mx53-smd/flash_header.c
index 490e223f0e..b45964059a 100644
--- a/arch/arm/boards/freescale-mx53-smd/flash_header.c
+++ b/arch/arm/boards/freescale-mx53-smd/flash_header.c
@@ -16,10 +16,11 @@
#include <common.h>
#include <asm/byteorder.h>
#include <mach/imx-flash-header.h>
+#include <asm/barebox-arm-head.h>
void __naked __flash_header_start go(void)
{
- __asm__ __volatile__("b exception_vectors\n");
+ barebox_arm_head();
}
struct imx_dcd_v2_entry __dcd_entry_section dcd_entry[] = {
diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c
index 6d9b1e0231..c19f9311cd 100644
--- a/arch/arm/cpu/mmu.c
+++ b/arch/arm/cpu/mmu.c
@@ -4,6 +4,7 @@
#include <errno.h>
#include <sizes.h>
#include <asm/memory.h>
+#include <asm/barebox-arm.h>
#include <asm/system.h>
#include <memory.h>
@@ -182,7 +183,6 @@ static void vectors_init(void)
{
u32 *exc, *zero = NULL;
void *vectors;
- extern unsigned long exception_vectors;
u32 cr;
cr = get_cr();
@@ -210,7 +210,7 @@ static void vectors_init(void)
vectors = xmemalign(PAGE_SIZE, PAGE_SIZE);
memset(vectors, 0, PAGE_SIZE);
- memcpy(vectors, &exception_vectors, ARM_VECTORS_SIZE);
+ memcpy(vectors, __exceptions_start, __exceptions_stop - __exceptions_start);
if (cr & CR_V)
exc[256 - 16] = (u32)vectors | PTE_TYPE_SMALL | PTE_FLAGS_CACHED;
diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c
index 61d7e3e5d5..1a1538e5e3 100644
--- a/arch/arm/cpu/start.c
+++ b/arch/arm/cpu/start.c
@@ -23,11 +23,17 @@
#include <common.h>
#include <init.h>
#include <asm/barebox-arm.h>
+#include <asm/barebox-arm-head.h>
#include <asm/system.h>
#include <asm-generic/memory_layout.h>
#include <asm/sections.h>
-void __naked __section(.text_entry) exception_vectors(void)
+void __naked __section(.text_entry) start(void)
+{
+ barebox_arm_head();
+}
+
+void __naked __section(.text_exceptions) exception_vectors(void)
{
__asm__ __volatile__ (
"b reset\n" /* reset */
@@ -48,12 +54,6 @@ void __naked __section(.text_entry) exception_vectors(void)
"1: bne 1b\n" /* irq (interrupt) */
"1: bne 1b\n" /* fiq (fast interrupt) */
#endif
- ".word 0x65726162\n" /* 'bare' */
- ".word 0x00786f62\n" /* 'box' */
- ".word _text\n" /* text base. If copied there,
- * barebox can skip relocation
- */
- ".word _barebox_image_size\n" /* image size to copy */
);
}
diff --git a/arch/arm/include/asm/barebox-arm-head.h b/arch/arm/include/asm/barebox-arm-head.h
new file mode 100644
index 0000000000..fdbee8cdda
--- /dev/null
+++ b/arch/arm/include/asm/barebox-arm-head.h
@@ -0,0 +1,24 @@
+#ifndef __ASM_ARM_HEAD_H
+#define __ASM_ARM_HEAD_H
+
+static inline void barebox_arm_head(void)
+{
+ __asm__ __volatile__ (
+ "b reset\n"
+ "1: b 1b\n"
+ "1: b 1b\n"
+ "1: b 1b\n"
+ "1: b 1b\n"
+ "1: b 1b\n"
+ "1: b 1b\n"
+ "1: b 1b\n"
+ ".word 0x65726162\n" /* 'bare' */
+ ".word 0x00786f62\n" /* 'box' */
+ ".word _text\n" /* text base. If copied there,
+ * barebox can skip relocation
+ */
+ ".word _barebox_image_size\n" /* image size to copy */
+ );
+}
+
+#endif /* __ASM_ARM_HEAD_H */
diff --git a/arch/arm/include/asm/barebox-arm.h b/arch/arm/include/asm/barebox-arm.h
index 7bb1af1606..333978241c 100644
--- a/arch/arm/include/asm/barebox-arm.h
+++ b/arch/arm/include/asm/barebox-arm.h
@@ -36,6 +36,8 @@ int cleanup_before_linux(void);
int board_init(void);
int dram_init (void);
+extern char __exceptions_start[], __exceptions_stop[];
+
void board_init_lowlevel(void);
void board_init_lowlevel_return(void);
void arch_init_lowlevel(void);
diff --git a/arch/arm/lib/barebox.lds.S b/arch/arm/lib/barebox.lds.S
index e9f62107f9..531e3d0e87 100644
--- a/arch/arm/lib/barebox.lds.S
+++ b/arch/arm/lib/barebox.lds.S
@@ -26,7 +26,7 @@
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
OUTPUT_ARCH(arm)
-ENTRY(exception_vectors)
+ENTRY(start)
SECTIONS
{
. = TEXT_BASE;
@@ -47,6 +47,9 @@ SECTIONS
__bare_init_start = .;
*(.text_bare_init*)
__bare_init_end = .;
+ __exceptions_start = .;
+ KEEP(*(.text_exceptions*))
+ __exceptions_stop = .;
*(.text*)
}
BAREBOX_BARE_INIT_SIZE
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-01 22:17:41 +0000