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fel-pio.bin: Add a jump table in the beginning to ease usage

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This commit is contained in:
Henrik Nordstrom 2012-09-04 21:36:45 +02:00
parent a072e4f706
commit be2a89d975
3 changed files with 38 additions and 7 deletions
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17
Makefile
View File

@ -15,7 +15,7 @@ all: $(TOOLS)
misc: $(MISC_TOOLS)
clean:
@rm -vf $(TOOLS) $(MISC_TOOLS)
@rm -vf $(TOOLS) $(MISC_TOOLS) *.o *.elf
$(TOOLS): Makefile common.h
@ -27,8 +27,6 @@ fexc: fexc.h script.h script.c \
script_bin.h script_bin.c \
script_fex.h script_fex.c
bootinfo: bootinfo.c
LIBUSB = libusb-1.0
LIBUSB_CFLAGS = `pkg-config --cflags $(LIBUSB)`
LIBUSB_LIBS = `pkg-config --libs $(LIBUSB)`
@ -39,6 +37,19 @@ fel: fel.c
%: %.c
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(filter %.c,$^) $(LIBS)
.dummy: fel-pio.bin
fel-pio.bin: fel-pio.elf fel-pio.nm
arm-none-eabi-objcopy -O binary fel-pio.elf fel-pio.bin
fel-pio.elf: fel-pio.c
arm-none-eabi-gcc -g -Os -fno-common -fno-builtin -ffreestanding -nostdinc -mno-thumb-interwork -Wall -Wstrict-prototypes -fno-stack-protector -Wno-format-nonliteral -Wno-format-security -fno-toplevel-reorder fel-pio.c -nostdlib -o fel-pio.elf -T fel-pio.lds
fel-pio.nm: fel-pio.elf
arm-none-eabi-nm fel-pio.elf | grep -v " _" >fel-pio.nm
bootinfo: bootinfo.c
.gitignore: Makefile
@for x in $(TOOLS) '*.o' '*.swp'; do \
echo "$$x"; \

21
fel-pio.c
View File

@ -21,15 +21,28 @@
Build instructions:
arm-none-linux-gnueabi-gcc -g -Os -fno-common -ffixed-r8 -msoft-float -fno-builtin -ffreestanding -nostdinc -mno-thumb-interwork -Wall -Wstrict-prototypes -fno-stack-protector -Wno-format-nonliteral -Wno-format-security -fno-toplevel-reorder fel-pio.c -c
arm-none-eabi-gcc -g -Os -fno-common -fno-builtin -ffreestanding -nostdinc -mno-thumb-interwork -Wall -Wstrict-prototypes -fno-stack-protector -Wno-format-nonliteral -Wno-format-security -fno-toplevel-reorder fel-pio.c -nostdlib -o fel-pio.elf
arm-none-linux-gnueabi-objcopy -O binary fel-pio.o fel-pio.bin
arm-none-eabi-objcopy -O binary fel-pio.elf fel-pio.bin
arm-none-linux-gnueabi-nm fel-pio.o
arm-none-eabi-nm fel-pio.o
*/
void _pio_to_sram(void);
void _sram_to_pio(void);
void pio_to_sram(void)
{
_pio_to_sram();
}
void sram_to_pio(void)
{
_sram_to_pio();
}
void _pio_to_sram(void)
{
unsigned long *a = (void *)0x1c20800;
unsigned long *b = (void *)0x3000;
@ -39,7 +52,7 @@ void pio_to_sram(void)
}
}
void sram_to_pio(void)
void _sram_to_pio(void)
{
unsigned long *a = (void *)0x1c20800;
unsigned long *b = (void *)0x3000;

7
fel-pio.lds Normal file
View File

@ -0,0 +1,7 @@
SECTIONS
{
. = 0x2000;
.text : { *(.text) }
}