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run the linker script through CPP so that the stack sizes can be

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changed using CONF parameters via DEFINES (e.g. SYS_CONF_STACK_SIZE
4096)
This commit is contained in:
Mariano Alvira 2013-01-05 17:08:59 -05:00
parent 56ce9247c3
commit 64ded5aecc
2 changed files with 55 additions and 11 deletions
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10
cpu/mc1322x/Makefile.mc1322x
View File

@ -40,7 +40,7 @@ PROJECT_OBJECTFILES += ${addprefix $(OBJECTDIR)/,$(CONTIKI_TARGET_MAIN:.c=.o)}
TEXT_BASE = 0x00400000
export TEXT_BASE
LINKERSCRIPT = $(CONTIKI_CPU)/mc1322x.lds
LINKERSCRIPT = $(OBJECTDIR)/mc1322x.lds
STARTUP=$(OBJECTDIR)/start.o
@ -70,6 +70,8 @@ CUSTOM_RULE_C_TO_OBJECTDIR_O=yes
CUSTOM_RULE_C_TO_O=yes
CFLAGS += -I$(OBJECTDIR) -I$(CONTIKI_CPU)/board -DBOARD=$(TARGET)
CPPFLAGS += -P -C ${addprefix -D,${subst $(COMMA), ,$(DEFINES)}}
$(OBJECTDIR)/board.h: $(OBJECTDIR)
ifeq ($(HOST_OS),Windows)
@ -78,6 +80,8 @@ else
ln -sf ../$(CONTIKI_CPU)/board/board.h $(OBJECTDIR)/board.h
endif
$(OBJECTDIR)/%.lds: $(CONTIKI_CPU)/%.lds.S
$(CPP) $(CPPFLAGS) $< > $@
$(OBJECTDIR)/isr.o: $(CONTIKI_CPU)/src/isr.c
$(CC) $(CFLAGS) $(ARM_FLAGS) $< -c -o $@
@ -109,7 +113,7 @@ CUSTOM_RULE_C_TO_CO=yes
%.$(TARGET): %_$(TARGET).bin
@
%.elf: $(OBJECTDIR)/board.h %.co $(PROJECT_OBJECTFILES) contiki-$(TARGET).a $(STARTUP)
$(CC) $(LDFLAGS) $(CFLAGS) -nostartfiles -o $@ $(filter-out %.a,$^) $(filter %.a,$^) $(filter %.a,$^)
%.elf: $(OBJECTDIR)/board.h %.co $(PROJECT_OBJECTFILES) contiki-$(TARGET).a $(STARTUP) $(OBJECTDIR)/mc1322x.lds
$(CC) $(LDFLAGS) $(CFLAGS) -nostartfiles -o $@ $(filter-out %.a %.lds,$^) $(filter %.a,$^) $(filter %.a,$^)

56
cpu/mc1322x/mc1322x.lds → cpu/mc1322x/mc1322x.lds.S
View File

@ -1,3 +1,45 @@
#ifndef SYS_CONF_STACK_SIZE
#define SYS_STACK_SIZE 2048
#else
#define SYS_STACK_SIZE SYS_CONF_STACK_SIZE
#endif
#ifndef IRQ_CONF_STACK_SIZE
#define IRQ_STACK_SIZE 128
#else
#define IRQ_STACK_SIZE IRQ_CONF_STACK_SIZE
#endif
#ifndef FIQ_CONF_STACK_SIZE
#define FIQ_STACK_SIZE 128
#else
#define FIQ_STACK_SIZE FIQ_CONF_STACK_SIZE
#endif
#ifndef SVC_CONF_STACK_SIZE
#define SVC_STACK_SIZE 16
#else
#define SVC_STACK_SIZE SVC_CONF_STACK_SIZE
#endif
#ifndef ABT_CONF_STACK_SIZE
#define ABT_STACK_SIZE 16
#else
#define ABT_STACK_SIZE ABT_CONF_STACK_SIZE
#endif
#ifndef UND_CONF_STACK_SIZE
#define UND_STACK_SIZE 16
#else
#define UND_STACK_SIZE UND_CONF_STACK_SIZE
#endif
#ifndef HEAP_CONF_SIZE
#define HEAP_SIZE 16
#else
#define HEAP_SIZE HEAP_CONF_SIZE
#endif
/* Script for -z combreloc: combine and sort reloc sections */
OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm",
"elf32-littlearm")
@ -12,14 +54,6 @@ MEMORY
SECTIONS
{
SYS_STACK_SIZE = 1024;
IRQ_STACK_SIZE = 256;
FIQ_STACK_SIZE = 256;
SVC_STACK_SIZE = 256;
ABT_STACK_SIZE = 16;
UND_STACK_SIZE = 16;
HEAP_SIZE = 4096;
/* Read-only sections, merged into text segment: */
PROVIDE (__executable_start = 0x00400000); . = 0x00400000;
.text :
@ -169,26 +203,32 @@ HEAP_SIZE = 4096;
.stack : {
__stack_start__ = . ;
/* IRQ_STACK */
. += IRQ_STACK_SIZE;
. = ALIGN (4);
__irq_stack_top__ = . ;
/* FIQ_STACK */
. += FIQ_STACK_SIZE;
. = ALIGN (4);
__fiq_stack_top__ = . ;
/* SVC_STACK */
. += SVC_STACK_SIZE;
. = ALIGN (4);
__svc_stack_top__ = . ;
/* ABT_STACK */
. += ABT_STACK_SIZE;
. = ALIGN (4);
__abt_stack_top__ = . ;
/* UND_STACK */
. += UND_STACK_SIZE;
. = ALIGN (4);
__und_stack_top__ = . ;
/* SYS_STACK */
. += SYS_STACK_SIZE;
. = ALIGN (4);
__sys_stack_top__ = . ;