Update GitHub build workflow.

.github/workflows/makefile.yml

@@ -14,9 +14,19 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - name: Install
+    - name: Setup
       run: sudo apt-get install -y genisoimage
 
-    - name: Build
-      run: make
-
+    - name: Build Kernel
+      run: make build-kernel
+
+    - name: Build Standard Library
+      run: make build-library
+
+    - name: Build Userspace
+      run: make build-userspace
+
+    - name: Build CDROM Image
+      run: make build-cdrom-image
+
+

Makefile

@@ -7,26 +7,27 @@ USER_PROGRAMS=$(USER_SOURCES:c=exe)
 KERNEL_SOURCES=$(wildcard kernel/*.[chS])
 WORDS=/usr/share/dict/words
 
-all: basekernel.iso
+.PHONY: build-kernel build-library build-userspace build-cdrom-image
 
-run: basekernel.iso disk.img
-	qemu-system-i386 -cdrom basekernel.iso -hda disk.img
+all: build-cdrom-image
 
-debug: basekernel.iso disk.img
-	qemu-system-i386 -cdrom basekernel.iso -hda disk.img -s -S &
+build-kernel: kernel/basekernel.img
 
-disk.img:
-	qemu-img create disk.img 10M
+build-library: library/baselib.a
+
+build-userspace: $(USER_PROGRAMS)
+
+build-cdrom-image: basekernel.iso
+
+kernel/basekernel.img: $(KERNEL_SOURCES) $(LIBRARY_HEADERS)
+	cd kernel && make
 
 library/baselib.a: $(LIBRARY_SOURCES) $(LIBRARY_HEADERS)
 	cd library && make
 
 $(USER_PROGRAMS): $(USER_SOURCES) library/baselib.a $(LIBRARY_HEADERS)
 	cd user && make
 
-kernel/basekernel.img: $(KERNEL_SOURCES) $(LIBRARY_HEADERS)
-	cd kernel && make
-
 image: kernel/basekernel.img $(USER_PROGRAMS)
 	rm -rf image
 	mkdir image image/boot image/bin image/data
@@ -37,8 +38,17 @@ image: kernel/basekernel.img $(USER_PROGRAMS)
 basekernel.iso: image
 	${ISOGEN} -input-charset utf-8 -iso-level 2 -J -R -o $@ -b boot/basekernel.img image
 
+disk.img:
+	qemu-img create disk.img 10M
+
+run: basekernel.iso disk.img
+	qemu-system-i386 -cdrom basekernel.iso -hda disk.img
+
+debug: basekernel.iso disk.img
+	qemu-system-i386 -cdrom basekernel.iso -hda disk.img -s -S &
+
 clean:
-	rm -rf basekernel.iso image
+	rm -rf basekernel.iso image disk.img
 	cd kernel && make clean
 	cd library && make clean
 	cd user && make clean

kernel/kshell.c

@@ -387,7 +387,7 @@ int kshell_launch()
 	const char *argv[100];
 	int argc;
 
-	kshell_mount("atapi",2,"cdromfs");
+	kshell_automount();
 
 	while(1) {
 		printf("kshell> ");

kernel/page.c

@@ -82,7 +82,7 @@ void *page_alloc(bool zeroit)
 					if(zeroit)
 						memset(pageaddr, 0, PAGE_SIZE);
 					pages_free--;
-					printf("page: alloc %d\n",pages_free);
+					//printf("page: alloc %d\n",pages_free);
 					return pageaddr;
 				}
 			}
@@ -103,5 +103,5 @@ void page_free(void *pageaddr)
 	uint32_t cellmask = (1 << celloffset);
 	freemap[cellnumber] |= cellmask;
 	pages_free++;
-	printf("page: free %d\n",pages_free);
+	//printf("page: free %d\n",pages_free);
 }

user/sysstat.c

@@ -6,13 +6,24 @@ See the file LICENSE for details.
 
 #include "library/syscalls.h"
 #include "library/string.h"
+#include "library/stdio.h"
+
+struct system_stats s = {0};
 
 int main(int argc, char *argv[])
 {
-	struct system_stats s = {0};
+	printf("a");
+	flush();
+
+	printf("b");
+	flush();
+
 	if (syscall_system_stats(&s)) {
 		return 1;
 	}
+	printf("c");
+	flush();
+
 
 	printf("System uptime: %u:%u:%u\n", s.time / (3600), (s.time % 3600) / 60, s.time % 60);
 	printf("Disk 0: %d blocks read, %d blocks written\n", s.blocks_read[0], s.blocks_written[0]);