LDFLAGS=-melf_i386 -T link.ld
LIBS=$(shell $(CC) $(CCFLAGS) -print-libgcc-file-name)
-all: mmap.elf
+all: mmap.elf modules.elf
mmap.elf: start.o mmap.o libc.o
$(LD) $(LDFLAGS) -o $@ $^ $(LIBS)
+modules.elf: start.o modules.o libc.o
+ $(LD) $(LDFLAGS) -o $@ $^ $(LIBS)
+
%.o: %.c
$(CC) $(CCFLAGS) -c -o $@ $^
#include "libc.h"
+void* memcpy(void *dest, const void *src, int n)
+{
+ char *d = dest;
+ const char *s = src;
+
+ while (n--) {
+ *d++ = *s++;
+ }
+
+ return dest;
+}
+
static void print_char(char c)
{
outb(0xe9, c);
/* Misc functions */
void printf(const char *fmt, ...);
+void* memcpy(void *dest, const void *src, int n);
#endif
--- /dev/null
+This is a test file that is used as a multiboot module.
--- /dev/null
+/*
+ * Copyright (c) 2015 Kevin Wolf <kwolf@redhat.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "libc.h"
+#include "multiboot.h"
+
+int test_main(uint32_t magic, struct mb_info *mbi)
+{
+ struct mb_module *mod;
+ unsigned int i;
+
+ (void) magic;
+
+ printf("Module list with %d entries at %x\n",
+ mbi->mods_count, mbi->mods_addr);
+
+ for (i = 0, mod = (struct mb_module*) mbi->mods_addr;
+ i < mbi->mods_count;
+ i++, mod++)
+ {
+ char buf[1024];
+ unsigned int size = mod->mod_end - mod->mod_start;
+
+ printf("[%p] Module: %x - %x (%d bytes) '%s'\n",
+ mod, mod->mod_start, mod->mod_end, size, mod->string);
+
+ /* Print test file, but remove the newline at the end */
+ if (size < sizeof(buf)) {
+ memcpy(buf, (void*) mod->mod_start, size);
+ buf[size - 1] = '\0';
+ printf(" Content: '%s'\n", buf);
+ }
+ }
+
+ return 0;
+}
--- /dev/null
+
+
+
+=== Running test case: modules.elf ===
+
+Module list with 0 entries at 102000
+
+
+=== Running test case: modules.elf -initrd module.txt ===
+
+Module list with 1 entries at 102000
+[102000] Module: 103000 - 103038 (56 bytes) 'module.txt'
+ Content: 'This is a test file that is used as a multiboot module.'
+
+
+=== Running test case: modules.elf -initrd module.txt argument ===
+
+Module list with 1 entries at 102000
+[102000] Module: 103000 - 103038 (56 bytes) 'module.txt argument'
+ Content: 'This is a test file that is used as a multiboot module.'
+
+
+=== Running test case: modules.elf -initrd module.txt argument,,with,,commas ===
+
+Module list with 1 entries at 102000
+[102000] Module: 103000 - 103038 (56 bytes) 'module.txt argument,with,commas'
+ Content: 'This is a test file that is used as a multiboot module.'
+
+
+=== Running test case: modules.elf -initrd module.txt,module.txt argument,module.txt ===
+
+Module list with 3 entries at 102000
+[102000] Module: 103000 - 103038 (56 bytes) 'module.txt'
+ Content: 'This is a test file that is used as a multiboot module.'
+[102010] Module: 104000 - 104038 (56 bytes) 'module.txt argument'
+ Content: 'This is a test file that is used as a multiboot module.'
+[102020] Module: 105000 - 105038 (56 bytes) 'module.txt'
+ Content: 'This is a test file that is used as a multiboot module.'
run_qemu mmap.elf -m 8G
}
+modules() {
+ run_qemu modules.elf
+ run_qemu modules.elf -initrd module.txt
+ run_qemu modules.elf -initrd "module.txt argument"
+ run_qemu modules.elf -initrd "module.txt argument,,with,,commas"
+ run_qemu modules.elf -initrd "module.txt,module.txt argument,module.txt"
+}
make all
-for t in mmap; do
+for t in mmap modules; do
echo > test.log
$t