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Merge pull request #1051 from antmicro/picolibc-updates

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Picolibc updates
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enjoy-digital 2021-09-28 16:01:29 +02:00 committed by GitHub
commit a5b3ab1bc9
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 11 additions and 7 deletions
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16
litex/soc/software/libc/Makefile
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@ -1,7 +1,7 @@
include ../include/generated/variables.mak
include $(SOC_DIRECTORY)/software/common.mak
all: libc.a stdio.c.o missing.c.o
all: libc.a
CFLAGS = $(COMMONFLAGS) -fexceptions -Wpragmas
@ -32,7 +32,7 @@ export CROSSFILE
cross.txt:
@echo "$$CROSSFILE" > $@
libc.a: cross.txt
__libc.a: cross.txt
if [ -d "$(LIBC_DIRECTORY)/$(CPUFAMILY)" ]; then \
cp $(LIBC_DIRECTORY)/$(CPUFAMILY)/* $(PICOLIBC_DIRECTORY)/newlib/libc/machine/$(CPUFAMILY)/ ;\
fi
@ -49,13 +49,15 @@ libc.a: cross.txt
--cross-file cross.txt
meson compile
cp newlib/libc.a libc.a
cp newlib/libc.a __libc.a
stdio.c.o: $(LIBC_DIRECTORY)/stdio.c libc.a
_libc.a: $(LIBC_DIRECTORY)/stdio.c __libc.a
$(compile)
$(AR) csr libc.a $@
$(AR) csr __libc.a $@
cp __libc.a _libc.a
missing.c.o: $(LIBC_DIRECTORY)/missing.c libc.a
libc.a: $(LIBC_DIRECTORY)/missing.c _libc.a
$(compile)
$(AR) csr libc.a $@
$(AR) csr _libc.a $@
cp _libc.a libc.a

2
litex/soc/software/libc/missing.c
View file

@ -5,6 +5,7 @@
*/
#include <stddef.h>
#include <errno.h>
int getentropy(void *v, size_t s) {
return -1;
@ -23,3 +24,4 @@ int kill(int pid, int name) {
return 0;
}
void *_impure_ptr;