Fix dynamic heap sizing logic

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@458 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2007-12-29 19:51:39 +00:00
parent 0a98dad76d
commit 36c2c9800f
4 changed files with 50 additions and 30 deletions

View File

@ -89,13 +89,25 @@ LIBGCC = ${shell $(CC) -print-libgcc-file-name}
# Supports dynamic sizing of HEAP
HEAP_BASE = ${shell \
if [ -e pass1.mem ]; then \
cat pass1.mem | grep "ROM/EPROM/FLASH" | \
sed -e "s/[ ][ ]*/ /g" | cut -d' ' -f4 ; \
else \
echo "(UP_HEAP1_END - 8192)" ; \
fi \
}
if [ -e pass1.map ]; then \
list=`cat pass1.map | grep "SIZE" | sed -e "s/\t//g" | cut -d' ' -f2`; \
unset result; \
first=yes; \
for size in $${list}; do \
if [ "$${size}" != "0000" ]; then \
if [ -z "$$first" ]; then \
result="$${result} + 0x$${size}"; \
else \
result="(0x$${size}"; \
unset first; \
fi; \
fi; \
done; \
echo "$${result})"; \
else \
echo "(UP_HEAP1_END - 8192)"; \
fi; \
}
############################################################################
# Targets
@ -122,14 +134,10 @@ $(SDCCLIBDIR)/myz80.lib: $(SDCCLIBDIR)/$(SDCCLIB)
# Create a header file that contains addressing information needed by the code
pass1.mem:
up_mem.h: pass1.mem
up_mem.h:
@echo "#ifndef __ARCH_MEM_H" >up_mem.h
@echo "#define __ARCH_MEM_H" >>up_mem.h
@echo "" >>up_mem.h
@echo "#define UP_DEFAULT_HEAP_BASE $(DEF_HEAP_BASE)" >> up_mem.h
@echo "" >>up_mem.h
@echo "#define UP_STACK_END $(CONFIG_DRAM_SIZE)" >> up_mem.h
@echo "#define UP_STACK_BASE (UP_STACK_END - $(CONFIG_PROC_STACK_SIZE))" >> up_mem.h
@echo "#define UP_HEAP1_END UP_STACK_BASE" >> up_mem.h
@ -137,9 +145,15 @@ up_mem.h: pass1.mem
@echo "" >>up_mem.h
@echo "#endif /* __ARCH_MEM_H */" >>up_mem.h
asm_mem.h:
@echo " UP_STACK_END == ($(CONFIG_DRAM_SIZE) - 1)" >> asm_mem.h
@echo " UP_STACK_BASE == (UP_STACK_END - $(CONFIG_PROC_STACK_SIZE))" >> asm_mem.h
@echo " UP_HEAP1_END == (UP_STACK_END - $(CONFIG_PROC_STACK_SIZE) - 1)" >> asm_mem.h
@echo " UP_HEAP1_BASE == $(HEAP_BASE)" >> asm_mem.h
# Combine all objects in this directory into a library
libarch$(LIBEXT): up_mem.h $(OBJS)
libarch$(LIBEXT): up_mem.h asm_mem.h $(OBJS)
@( for obj in $(OBJS) ; do \
$(AR) $@ $${obj} || \
{ echo "$(AR) $@ $${obj} FAILED!" ; exit 1 ; } ; \
@ -152,7 +166,7 @@ board/libboard$(LIBEXT):
# This target builds the final executable
pass1.ihx: up_mem.h $(SDCCLIBDIR)/myz80.lib $(HEAD_AOBJ) board/libboard$(LIBEXT)
pass1.ihx: up_mem.h asm_mem.h $(SDCCLIBDIR)/myz80.lib $(HEAD_AOBJ) board/libboard$(LIBEXT)
@echo "-k $(BOARDDIR)" >pass1.lnk # Path to board library
@echo "-k $(SDCCLIBDIR)" >>pass1.lnk # Path to SDCC z80 library
@echo "-l libboard$(LIBEXT)" >>pass1.lnk # Name of board library
@ -160,18 +174,21 @@ pass1.ihx: up_mem.h $(SDCCLIBDIR)/myz80.lib $(HEAD_AOBJ) board/libboard$(LIBEXT)
echo "-l $(TOPDIR)/$$LIB" >> pass1.lnk ;\
done
@echo "-l myz80.lib" >>pass1.lnk # Name of SDCC z80 library
# @echo "-m pass1.map" >>pass1.lnk # Generate a map file
# @echo "-j pass1.sym" >>pass1.lnk # Generate a symbol file
@echo "-b START=0" >>pass1.lnk # Start of START area
@echo "-b _CODE=256" >>pass1.lnk # Start of _CODE area
@echo "-i" >>pass1.lnk # Intel hex format
@echo "-m" >>pass1.lnk # Generate a map file
@echo "-j" >>pass1.lnk # Generate a symbol file
@echo "pass1.ihx" >>pass1.lnk # Path to head object
@echo "$(HEAD_AOBJ)" >>pass1.lnk # Path to head object
@echo "-e" >>pass1.lnk # End of script
$(LD) -f pass1.lnk
@rm -f up_mem.h
@rm -f up_allocateheap$(OBJEXT) libarch$(LIBEXT)
@rm -f up_mem.h asm_mem.h
@rm -f up_allocateheap$(OBJEXT) $(HEAD_AOBJ) libarch$(LIBEXT)
@$(MAKE) TOPDIR=$(TOPDIR) libarch$(LIBEXT)
@$(MAKE) TOPDIR=$(TOPDIR) $(HEAD_AOBJ)
nuttx.ihx: up_mem.h $(SDCCLIBDIR)/myz80.lib $(HEAD_AOBJ)
nuttx.ihx: up_mem.h asm_mem.h $(SDCCLIBDIR)/myz80.lib $(HEAD_AOBJ) board/libboard$(LIBEXT)
@echo "-k $(BOARDDIR)" >nuttx.lnk # Path to board library
@echo "-k $(SDCCLIBDIR)" >>nuttx.lnk # Path to SDCC z80 library
@echo "-l libboard$(LIBEXT)" >>nuttx.lnk # Name of board library
@ -179,9 +196,11 @@ nuttx.ihx: up_mem.h $(SDCCLIBDIR)/myz80.lib $(HEAD_AOBJ)
echo "-l $(TOPDIR)/$$LIB" >> nuttx.lnk ;\
done
@echo "-l myz80.lib" >>nuttx.lnk # Name of SDCC z80 library
@echo "-m nuttx.map" >>nuttx.lnk # Generate a map file
# @echo "-j nuttx.sym" >>nuttx.lnk # Generate a symbol file
@echo "-b START=0" >>nuttx.lnk # Start of START area
@echo "-b _CODE=256" >>nuttx.lnk # Start of _CODE area
@echo "-i" >>nuttx.lnk # Intel hex format
@echo "-m" >>nuttx.lnk # Generate a map file
@echo "-j" >>nuttx.lnk # Generate a symbol file
@echo "nuttx.ihx" >>nuttx.lnk # Path to head object
@echo "$(HEAD_AOBJ)" >>nuttx.lnk # Path to head object
@echo "-e" >>nuttx.lnk # End of script
@ -194,11 +213,11 @@ nuttx$(EXEEXT): pass1.ihx nuttx.ihx
# Build dependencies
.depend: Makefile up_mem.h chip/Make.defs $(DEPSRCS)
.depend: Makefile up_mem.h asm_mem.h chip/Make.defs $(DEPSRCS)
@if [ -e board/Makefile ]; then \
$(MAKE) -C board TOPDIR=$(TOPDIR) depend ; \
fi
$(MKDEP) --dep-path chip --dep-path common $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
$(MKDEP) --dep-path chip --dep-path common $(CC) -- $(CFLAGS) -- $(DEPSRCS) >Make.dep
@touch $@
depend: .depend
@ -207,8 +226,9 @@ clean:
@if [ -e board/Makefile ]; then \
$(MAKE) -C board TOPDIR=$(TOPDIR) clean ; \
fi
rm -f libarch$(LIBEXT) up_mem.h pass1.lnk nuttx.lnk
rm -f *.asm *.rel *.lst *.rst *.sym *.adb *.lnk *.map *.mem *.ihx *.hex *~
rm -f libarch$(LIBEXT) up_mem.h asm_mem.h pass1.* nuttx.*
rm -f *.asm *.rel *.lst *.rst *.sym *.adb *.lnk *.map *.mem *.ihx *.hex
rm -f core *~ .*.swp *.swp
if [ ! -z "$(OBJEXT)" ]; then rm -f *$(OBJEXT); fi
distclean: clean

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@ -54,7 +54,7 @@
; Default stack base (needs to be fixed)
STACK_BASE == 0xffff
.include "asm_mem.h"
;**************************************************************************
; Global symbols used
@ -67,12 +67,12 @@
; Reset entry point
;**************************************************************************
.area TEXT (ABS,OVR)
.area START (ABS)
.org 0x0000
.globl _os_start
di ; Disable interrupts
ld SP, #STACK_BASE ; Set stack pointer
ld SP, #UP_STACK_END ; Set stack pointer
im 1 ; Set interrupt mode 1
jp _os_start ; jump to the OS entry point
forever:

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@ -49,7 +49,7 @@
; up_restoreusercontext
;**************************************************************************
.area TEXT (ABS,OVR)
; .area _CODE (ABS,OVR)
_up_restoreusercontext:
; On entry, stack contains return address (not used), then address
; of the register save structure

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@ -62,7 +62,7 @@
; Name: up_saveusercontext
;*************************************************************************
.area TEXT (ABS,OVR)
; .area _CODE (ABS,OVR)
_up_saveusercontext:
; Set up a stack frame