Build kexec-fiwix in bindir and run it from run.kaem.

sysa/kexec-fiwix/kexec-fiwix.kaem

@@ -1,6 +1,4 @@
 # SPDX-FileCopyrightText: 2023 Richard Masters <grick23@gmail.com>
 # SPDX-License-Identifier: MIT
 cd src
-tcc -m32 -march=i386 -std=c89 -I../../tcc/tcc-0.9.27/include -o kexec-fiwix kexec-fiwix.c
-
-./kexec-fiwix
+tcc -m32 -march=i386 -std=c89 -I../../tcc/tcc-0.9.27/include -o ${bindir}/kexec-fiwix kexec-fiwix.c

sysa/kexec-fiwix/src/kexec-fiwix.c

@@ -77,7 +77,7 @@ int main() {
 	puts("Preparing multiboot info for kernel...");
 
 	char cmdline[256];
-	sprintf(cmdline, "fiwix console=/dev/ttyS0 root=/dev/ram0 ramdisksize=%d initrd=image.ext2", INITRD_MB * 1024);
+	sprintf(cmdline, "fiwix console=/dev/ttyS0 root=/dev/ram0 ramdisksize=%d initrd=sysa.ext2", INITRD_MB * 1024);
 	char * boot_loader_name = "kexec-fiwix";
 
 	unsigned int next_avail_mem = 0x8000;
@@ -108,8 +108,8 @@ int main() {
 	pmultiboot_module->mod_end = 0x1C6000 + (INITRD_MB * 1024 * 1024);
 	next_avail_mem += sizeof(multiboot_module_t);
 	pmultiboot_module->cmdline = next_avail_mem;
-	strcpy((char *) next_avail_mem, "image.ext2");
-	next_avail_mem += (strlen("image.ext2") + 1);
+	strcpy((char *) next_avail_mem, "sysa.ext2");
+	next_avail_mem += (strlen("sysa.ext2") + 1);
 
 	/* Set memory map info */
 	pmultiboot_info->mmap_addr = next_avail_mem;
@@ -173,7 +173,7 @@ int main() {
 	int filenum;
 	unsigned int filename_addr;
 	for (filenum = 4, filename_addr = 0x201000; filenum <= 14335; filenum++, filename_addr += 1024) {
-		if (!strcmp((char *) filename_addr, "/sysa/lwext4-1.0.0-lb1/build/lwext4-1.0.0-lb1/src/image.ext2")) {
+		if (!strcmp((char *) filename_addr, "/boot/sysa.ext2")) {
 			printf("Found image at filenum %d\n", filenum);
 			break;
 		}

sysa/lwext4-1.0.0-lb1/files/make_fiwix_initrd.c

@@ -1,5 +1,6 @@
 /*
- * Copyright (c) 2015 Grzegorz Kostka (kostka.grzegorz@gmail.com)
+ * SPDX-FileCopyrightText: Copyright (c) 2015 Grzegorz Kostka (kostka.grzegorz@gmail.com)
+ * SPDX-License-Identifier: BSD-3-Clause
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -128,8 +129,10 @@ bool lwext4_umount(void)
 }
 
 
-bool copy_file(char *src_path, char *dest_path) {
+bool copy_file(char *src_path, char *dest_path)
+{
 
+	printf("copy_file: %s\n", src_path);
 	ext4_file dest_file;
 	FILE *src_file = fopen(src_path, "rb");
 	if (!src_file) {
@@ -173,7 +176,8 @@ bool copy_file(char *src_path, char *dest_path) {
 	free(src_mem);
 }
 
-bool copy_file_list(char *file_list_path) {
+bool copy_file_list(char *file_list_path)
+{
 	char src_filename[FILENAME_LENGTH];
 	char dst_filename[FILENAME_LENGTH];
 
@@ -201,10 +205,10 @@ int main(int argc, char **argv)
 	
 	next_file_address = *((unsigned int *) 0x7F8D);
 
-	printf("Starting image.ext at addr 0x%08x\n", next_file_address);
+	printf("Starting sysa.ext2 at addr 0x%08x\n", next_file_address);
 
 	/* Create zeroed out disk image file */
-	input_name = "image.ext2";
+	input_name = "/boot/sysa.ext2";
 
 	memset(zeros, 0, BLOCK_SIZE);
 	FILE *ext2file = fopen(input_name, "w");
@@ -267,8 +271,11 @@ int main(int argc, char **argv)
 	copy_file("/usr/bin/kaem", "/mp/init");
 	copy_file("/sysa/after2.kaem", "/mp/kaem.run");
 	copy_file_list("/sysa/lwext4-1.0.0-lb1/files/fiwix-file-list.txt");
+	printf("ext4_dir_mk /mp/tmp\n");
 	ext4_dir_mk("/mp/tmp");
+	printf("ext4_dir_mk /mp/usr\n");
 	ext4_dir_mk("/mp/usr");
+	printf("ext4_dir_mk /mp/usr/src\n");
 	ext4_dir_mk("/mp/usr/src");
 
 	if (!lwext4_umount())

sysa/run.kaem

@@ -56,15 +56,19 @@ if match x${KERNEL_BOOTSTRAP} xTrue; then
     pkg="lwext4-1.0.0-lb1"
     cd ${pkg}
     kaem --verbose --file ${pkg}.kaem
+    cd ..
+
     # Build the ext2 image
-    cd build/${pkg}/src
-    ./make_fiwix_initrd
-    cd ../../../..
+    make_fiwix_initrd
 
     # Live boot loader for Fiwix
     pkg="kexec-fiwix"
     cd ${pkg}
     kaem --verbose --file ${pkg}.kaem
+    cd ..
+
+    # Boot Fiwix
+    kexec-fiwix
 else
     exec kaem --verbose --file run-after-fiwix.kaem
 fi