* [PATCH 1/9] ppc pcm030: provide _stext, _text and __bss_stop in linker script
2011-01-17 10:16 cleanup linker variables Sascha Hauer
@ 2011-01-17 10:16 ` Sascha Hauer
2011-01-17 10:16 ` [PATCH 2/9] blackfin: provide " Sascha Hauer
` (7 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Sascha Hauer @ 2011-01-17 10:16 UTC (permalink / raw)
To: barebox
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
arch/ppc/boards/pcm030/barebox.lds.S | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/ppc/boards/pcm030/barebox.lds.S b/arch/ppc/boards/pcm030/barebox.lds.S
index ab99335..21bf4a7 100644
--- a/arch/ppc/boards/pcm030/barebox.lds.S
+++ b/arch/ppc/boards/pcm030/barebox.lds.S
@@ -55,6 +55,8 @@ SECTIONS
.plt : { *(.plt) }
.text :
{
+ _text = .;
+ _stext = .;
arch/ppc/mach-mpc5xxx/start.o (.text)
*(.text*)
*(.got1*)
@@ -134,6 +136,7 @@ SECTIONS
*(.bss*)
*(COMMON)
}
+ __bss_stop = .;
_end = . ;
PROVIDE (end = .);
}
--
1.7.2.3
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^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 2/9] blackfin: provide __bss_stop in linker script
2011-01-17 10:16 cleanup linker variables Sascha Hauer
2011-01-17 10:16 ` [PATCH 1/9] ppc pcm030: provide _stext, _text and __bss_stop in linker script Sascha Hauer
@ 2011-01-17 10:16 ` Sascha Hauer
2011-01-17 10:16 ` [PATCH 3/9] ARM: " Sascha Hauer
` (6 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Sascha Hauer @ 2011-01-17 10:16 UTC (permalink / raw)
To: barebox
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
arch/blackfin/boards/ipe337/barebox.lds.S | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/blackfin/boards/ipe337/barebox.lds.S b/arch/blackfin/boards/ipe337/barebox.lds.S
index 4299b82..571eeb1 100644
--- a/arch/blackfin/boards/ipe337/barebox.lds.S
+++ b/arch/blackfin/boards/ipe337/barebox.lds.S
@@ -82,6 +82,7 @@ SECTIONS
. = ALIGN(4);
__bss_start = .;
.bss : { *(.bss) }
+ __bss_stop = .;
_end = .;
}
--
1.7.2.3
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^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 3/9] ARM: provide __bss_stop in linker script
2011-01-17 10:16 cleanup linker variables Sascha Hauer
2011-01-17 10:16 ` [PATCH 1/9] ppc pcm030: provide _stext, _text and __bss_stop in linker script Sascha Hauer
2011-01-17 10:16 ` [PATCH 2/9] blackfin: provide " Sascha Hauer
@ 2011-01-17 10:16 ` Sascha Hauer
2011-01-17 10:16 ` [PATCH 4/9] add sections.h header file Sascha Hauer
` (5 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Sascha Hauer @ 2011-01-17 10:16 UTC (permalink / raw)
To: barebox
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
arch/arm/lib/barebox.lds.S | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/arm/lib/barebox.lds.S b/arch/arm/lib/barebox.lds.S
index 5bee0a1..cc74b2f 100644
--- a/arch/arm/lib/barebox.lds.S
+++ b/arch/arm/lib/barebox.lds.S
@@ -75,5 +75,6 @@ SECTIONS
. = ALIGN(4);
__bss_start = .;
.bss : { *(.bss*) }
+ __bss_stop = .;
_end = .;
}
--
1.7.2.3
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^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 4/9] add sections.h header file
2011-01-17 10:16 cleanup linker variables Sascha Hauer
` (2 preceding siblings ...)
2011-01-17 10:16 ` [PATCH 3/9] ARM: " Sascha Hauer
@ 2011-01-17 10:16 ` Sascha Hauer
2011-01-17 10:16 ` [PATCH 5/9] ARM start.c: use sections.h header file for linker variables Sascha Hauer
` (4 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Sascha Hauer @ 2011-01-17 10:16 UTC (permalink / raw)
To: barebox
The file location and variable names from the Linux Kernel have been
used here.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
arch/arm/include/asm/sections.h | 1 +
arch/blackfin/include/asm/sections.h | 1 +
arch/ppc/include/asm/sections.h | 1 +
arch/sandbox/include/asm/sections.h | 1 +
arch/x86/include/asm/sections.h | 1 +
include/asm-generic/sections.h | 8 ++++++++
6 files changed, 13 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/include/asm/sections.h
create mode 100644 arch/blackfin/include/asm/sections.h
create mode 100644 arch/ppc/include/asm/sections.h
create mode 100644 arch/sandbox/include/asm/sections.h
create mode 100644 arch/x86/include/asm/sections.h
create mode 100644 include/asm-generic/sections.h
diff --git a/arch/arm/include/asm/sections.h b/arch/arm/include/asm/sections.h
new file mode 100644
index 0000000..2b8c516
--- /dev/null
+++ b/arch/arm/include/asm/sections.h
@@ -0,0 +1 @@
+#include <asm-generic/sections.h>
diff --git a/arch/blackfin/include/asm/sections.h b/arch/blackfin/include/asm/sections.h
new file mode 100644
index 0000000..2b8c516
--- /dev/null
+++ b/arch/blackfin/include/asm/sections.h
@@ -0,0 +1 @@
+#include <asm-generic/sections.h>
diff --git a/arch/ppc/include/asm/sections.h b/arch/ppc/include/asm/sections.h
new file mode 100644
index 0000000..2b8c516
--- /dev/null
+++ b/arch/ppc/include/asm/sections.h
@@ -0,0 +1 @@
+#include <asm-generic/sections.h>
diff --git a/arch/sandbox/include/asm/sections.h b/arch/sandbox/include/asm/sections.h
new file mode 100644
index 0000000..2b8c516
--- /dev/null
+++ b/arch/sandbox/include/asm/sections.h
@@ -0,0 +1 @@
+#include <asm-generic/sections.h>
diff --git a/arch/x86/include/asm/sections.h b/arch/x86/include/asm/sections.h
new file mode 100644
index 0000000..2b8c516
--- /dev/null
+++ b/arch/x86/include/asm/sections.h
@@ -0,0 +1 @@
+#include <asm-generic/sections.h>
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h
new file mode 100644
index 0000000..c5d60a9
--- /dev/null
+++ b/include/asm-generic/sections.h
@@ -0,0 +1,8 @@
+#ifndef _ASM_GENERIC_SECTIONS_H_
+#define _ASM_GENERIC_SECTIONS_H_
+
+extern char _text[], _stext[], _etext[];
+extern char __bss_start[], __bss_stop[];
+extern char _end[];
+
+#endif /* _ASM_GENERIC_SECTIONS_H_ */
--
1.7.2.3
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^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 5/9] ARM start.c: use sections.h header file for linker variables
2011-01-17 10:16 cleanup linker variables Sascha Hauer
` (3 preceding siblings ...)
2011-01-17 10:16 ` [PATCH 4/9] add sections.h header file Sascha Hauer
@ 2011-01-17 10:16 ` Sascha Hauer
2011-01-17 10:16 ` [PATCH 6/9] ARM: remove unnecessary include Sascha Hauer
` (3 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Sascha Hauer @ 2011-01-17 10:16 UTC (permalink / raw)
To: barebox
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
arch/arm/cpu/start.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c
index b55df5d..e0fb712 100644
--- a/arch/arm/cpu/start.c
+++ b/arch/arm/cpu/start.c
@@ -25,6 +25,7 @@
#include <asm/barebox-arm.h>
#include <asm/system.h>
#include <asm-generic/memory_layout.h>
+#include <asm/sections.h>
void __naked __section(.text_entry) exception_vectors(void)
{
@@ -40,8 +41,6 @@ void __naked __section(.text_entry) exception_vectors(void)
);
}
-extern char __bss_start, _end;
-
/*
* The actual reset vector. This code is position independent and usually
* does not run at the address it's linked at.
@@ -108,7 +107,7 @@ void __naked __bare_init board_init_lowlevel_return(void)
(unsigned int)&__bss_start - TEXT_BASE);
/* clear bss */
- memset(&__bss_start, 0, &_end - &__bss_start);
+ memset(__bss_start, 0, __bss_stop - __bss_start);
/* call start_barebox with its absolute address */
r = (unsigned int)&start_barebox;
--
1.7.2.3
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^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 6/9] ARM: remove unnecessary include
2011-01-17 10:16 cleanup linker variables Sascha Hauer
` (4 preceding siblings ...)
2011-01-17 10:16 ` [PATCH 5/9] ARM start.c: use sections.h header file for linker variables Sascha Hauer
@ 2011-01-17 10:16 ` Sascha Hauer
2011-01-17 10:16 ` [PATCH 7/9] x86: use sections.h header file for linker variables Sascha Hauer
` (2 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Sascha Hauer @ 2011-01-17 10:16 UTC (permalink / raw)
To: barebox
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
arch/arm/lib/arm.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/arch/arm/lib/arm.c b/arch/arm/lib/arm.c
index 8ac9ff4..6549118 100644
--- a/arch/arm/lib/arm.c
+++ b/arch/arm/lib/arm.c
@@ -3,7 +3,6 @@
#include <mem_malloc.h>
#include <asm/barebox-arm.h>
#include <asm-generic/memory_layout.h>
-#include <reloc.h>
static int arm_mem_malloc_init(void)
{
--
1.7.2.3
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^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 7/9] x86: use sections.h header file for linker variables
2011-01-17 10:16 cleanup linker variables Sascha Hauer
` (5 preceding siblings ...)
2011-01-17 10:16 ` [PATCH 6/9] ARM: remove unnecessary include Sascha Hauer
@ 2011-01-17 10:16 ` Sascha Hauer
2011-01-17 10:17 ` [PATCH 8/9] reloc.h: remove linker variables which are now in asm/sections.h Sascha Hauer
2011-01-17 10:17 ` [PATCH 9/9] startup: make debug printing of linker variables work again Sascha Hauer
8 siblings, 0 replies; 10+ messages in thread
From: Sascha Hauer @ 2011-01-17 10:16 UTC (permalink / raw)
To: barebox
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
arch/x86/boot/main_entry.c | 7 ++-----
arch/x86/lib/barebox.lds.S | 2 +-
2 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/arch/x86/boot/main_entry.c b/arch/x86/boot/main_entry.c
index 5f199e9..d1d8f34 100644
--- a/arch/x86/boot/main_entry.c
+++ b/arch/x86/boot/main_entry.c
@@ -24,10 +24,7 @@
*/
#include <string.h>
-
-/* These symbols are generated by the linker */
-extern char __bss_start;
-extern char __bss_end;
+#include <asm/sections.h>
extern void start_barebox(void);
@@ -39,6 +36,6 @@ extern void start_barebox(void);
void uboot_entry(void)
{
/* clear the BSS first */
- memset(&__bss_start, 0x00, &__bss_end - &__bss_start);
+ memset(__bss_start, 0x00, __bss_stop - __bss_start);
start_barebox();
}
diff --git a/arch/x86/lib/barebox.lds.S b/arch/x86/lib/barebox.lds.S
index 2917d2f..e0919a6 100644
--- a/arch/x86/lib/barebox.lds.S
+++ b/arch/x86/lib/barebox.lds.S
@@ -188,7 +188,7 @@ SECTIONS
__bss_start = .;
*(.bss*);
*( COMMON )
- __bss_end = .;
+ __bss_stop = .;
_end = .;
} > barebox
}
--
1.7.2.3
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^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 8/9] reloc.h: remove linker variables which are now in asm/sections.h
2011-01-17 10:16 cleanup linker variables Sascha Hauer
` (6 preceding siblings ...)
2011-01-17 10:16 ` [PATCH 7/9] x86: use sections.h header file for linker variables Sascha Hauer
@ 2011-01-17 10:17 ` Sascha Hauer
2011-01-17 10:17 ` [PATCH 9/9] startup: make debug printing of linker variables work again Sascha Hauer
8 siblings, 0 replies; 10+ messages in thread
From: Sascha Hauer @ 2011-01-17 10:17 UTC (permalink / raw)
To: barebox
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
include/reloc.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/include/reloc.h b/include/reloc.h
index 22cb886..cc99866 100644
--- a/include/reloc.h
+++ b/include/reloc.h
@@ -1,7 +1,7 @@
#ifndef __RELOC_H
#define __RELOC_H
-extern unsigned long _barebox_start, _bss_start, _bss_end, _text_base;
+extern unsigned long _text_base;
#ifdef CONFIG_HAS_EARLY_INIT
--
1.7.2.3
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^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 9/9] startup: make debug printing of linker variables work again
2011-01-17 10:16 cleanup linker variables Sascha Hauer
` (7 preceding siblings ...)
2011-01-17 10:17 ` [PATCH 8/9] reloc.h: remove linker variables which are now in asm/sections.h Sascha Hauer
@ 2011-01-17 10:17 ` Sascha Hauer
8 siblings, 0 replies; 10+ messages in thread
From: Sascha Hauer @ 2011-01-17 10:17 UTC (permalink / raw)
To: barebox
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
common/startup.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/common/startup.c b/common/startup.c
index 0d7ccb9..aa76cb7 100644
--- a/common/startup.c
+++ b/common/startup.c
@@ -40,6 +40,7 @@
#include <environment.h>
#include <reloc.h>
#include <asm-generic/memory_layout.h>
+#include <asm/sections.h>
extern initcall_t __barebox_initcalls_start[], __barebox_early_initcalls_end[],
__barebox_initcalls_end[];
@@ -50,8 +51,8 @@ static void display_meminfo(void)
ulong mend = mem_malloc_end();
ulong msize = mend - mstart + 1;
- debug("barebox code : 0x%08lX -> 0x%08lX BSS: -> 0x%08lX\n",
- _barebox_start, _bss_start, _bss_end);
+ debug("barebox code: 0x%p -> 0x%p\n", _stext, _etext);
+ debug("bss segment: 0x%p -> 0x%p\n", __bss_start, __bss_stop);
printf("Malloc space: 0x%08lx -> 0x%08lx (size %s)\n",
mstart, mend, size_human_readable(msize));
#ifdef CONFIG_ARM
--
1.7.2.3
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