From 6e8ea08166b53507f38ed7f435728b7470a061ab Mon Sep 17 00:00:00 2001
From: Michal Idziorek <m.i@gmx.at>
Date: Fri, 21 Nov 2014 15:21:07 +0100
Subject: trying to port binutils

---
 userspace/Makefile    |  3 ++-
 userspace/crt0.S      |  4 ++--
 userspace/smalltest.c |  4 ++++
 userspace/sys.c       | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++
 userspace/syscalls.c  | 46 +++++++++++++++++++++++++++++++++++++++---
 5 files changed, 106 insertions(+), 6 deletions(-)
 create mode 100644 userspace/smalltest.c
 create mode 100644 userspace/sys.c

(limited to 'userspace')

diff --git a/userspace/Makefile b/userspace/Makefile
index 7ae91ee..ad2ae1e 100644
--- a/userspace/Makefile
+++ b/userspace/Makefile
@@ -9,7 +9,7 @@ CFLAGS+=--no-builtin-free
 LDFLAGS=-L/home/miguel/temp/fool-os-stuff/newlib-build-clean-new/i686-elf/newlib
 
 ext2.img: shell simple brainfuck add
-	dd if=/dev/zero of=ext2.img bs=512 count=500
+	dd if=/dev/zero of=ext2.img bs=512 count=3500
 	sudo mkfs.ext2 -O none ext2.img  -F
 	mkdir mnt
 	sudo mount ext2.img mnt
@@ -21,6 +21,7 @@ ext2.img: shell simple brainfuck add
 	cp simple mnt
 	cp brainfuck mnt
 	cp add mnt
+	cp ~/temp/fool-os-stuff/binutils-fool-build/binutils/ar.bin mnt
 	sync
 	sudo umount mnt
 	rm mnt -rf
diff --git a/userspace/crt0.S b/userspace/crt0.S
index e3bfa3b..48eadd9 100644
--- a/userspace/crt0.S
+++ b/userspace/crt0.S
@@ -8,8 +8,8 @@ _start:
 push $0
 call sbrk
 
-push $[_BSS_END_]
-call sbrk
+#push $[_BSS_END_]
+#call sbrk
 
 call main
 
diff --git a/userspace/smalltest.c b/userspace/smalltest.c
new file mode 100644
index 0000000..905869d
--- /dev/null
+++ b/userspace/smalltest.c
@@ -0,0 +1,4 @@
+int main()
+{
+    return 0;
+}
diff --git a/userspace/sys.c b/userspace/sys.c
new file mode 100644
index 0000000..7dcfaee
--- /dev/null
+++ b/userspace/sys.c
@@ -0,0 +1,55 @@
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+
+// building binutils required this stubs!
+long sysconf(int name)
+{
+    return 0;
+}
+
+
+mode_t umask(mode_t mask)
+{
+    return mask;
+}
+
+int chmod(const char * path, mode_t mode)
+{
+    return 0;
+}
+
+int fcntl(int fd, int cmd, ...)
+{
+    return -1;
+}
+
+int lstat(const char *path, struct stat *buf)
+{
+    return -1;
+}
+
+char *getwd(char *buf)
+{
+    return buf;
+}
+int access(const char *pathname, int mode)
+{
+    return 0;
+}
+
+int utime(const char *filename, const int *x)
+{
+    return 0;
+}
+
+int rmdir (const  char *pathname)
+{
+    return -1;
+}
+
+int chown(const char *path, uid_t owner, gid_t group)
+{
+    return 0;
+}
diff --git a/userspace/syscalls.c b/userspace/syscalls.c
index 8c8bfc9..51436fb 100644
--- a/userspace/syscalls.c
+++ b/userspace/syscalls.c
@@ -1,6 +1,3 @@
-#include <sys/stat.h>
-#include <string.h>
-#include <stdint.h>
 #include "../kernel/syscalls.h"
 
 /*
@@ -93,4 +90,47 @@ uint32_t sbrk(int incr)
     return syscall(SYSCALL_SBRK,incr,0,0);
 }
 
+int gettimeofday(struct timeval *tv, void *tz)
+{
+    return syscall(SYSCALL_GETTIMEOFDAY,tv,tz,0);
+}
 
+int fork(void)
+{
+    return syscall(SYSCALL_FORK,0,0,0);
+}
+
+int getpid(void)
+{
+    return syscall(SYSCALL_GETPID,0,0,0);
+}
+
+int kill(int pid, int sig)
+{
+    return syscall(SYSCALL_KILL,pid,sig,0);
+}
+
+int link(char *old, char *ne)
+{
+    return syscall(SYSCALL_LINK,old,ne,0);
+}
+
+int stat(const char *file, struct stat *st)
+{
+    return syscall(SYSCALL_STAT,file,st,0);
+}
+
+int times(struct tms *buf)
+{
+    return syscall(SYSCALL_TIMES,buf,0,0);
+}
+
+int unlink(char *name)
+{
+    return syscall(SYSCALL_UNLINK,name,0,0);
+}
+
+int wait(int *status)
+{
+    return syscall(SYSCALL_WAIT,status,0,0);
+}
-- 
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