add PowerPC target to scripts/dependencies.sh

Makefile

@@ -1,7 +1,7 @@
 # LuPI2 Makefile
 
 # Default compiler settings.
-PREFIX?=x86_64-linux-musl
+PREFIX?=powerpc-linux-musl
 
 CC = $(PREFIX)-gcc
 CFLAGS?=-O2 -std=c99 -fdata-sections -ffunction-sections -pthread
@@ -67,10 +67,10 @@ web: iso bin/web
 
 
 ####
-ISOKERNEL=linux-4.5.2
+ISOKERNEL=linux-5.12.1
 
 dependencies/$(ISOKERNEL).tar.xz:
-	cd dependencies && wget https://cdn.kernel.org/pub/linux/kernel/v4.x/$(ISOKERNEL).tar.xz
+	cd dependencies && wget https://cdn.kernel.org/pub/linux/kernel/v5.x/$(ISOKERNEL).tar.xz
 
 dependencies/$(ISOKERNEL)/arch/x86/boot/bzImage: $(BUILD)lupi.cpio dependencies/$(ISOKERNEL).tar.xz
 	rm -rf dependencies/$(ISOKERNEL)/

scripts/dependencies.sh

@@ -38,6 +38,10 @@ case "$1" in
     TOOL=i686-w64-mingw32
     OUT=$TOOL
     ;;
+  powerpc )
+    TOOL=powerpc-linux-musl
+    OUT=$TOOL
+    ;;
   *) echo "Invalid target!" ; exit 1
     ;;
 esac

src/c/init.c

@@ -11,6 +11,7 @@ void lupi_init() {
   if(getpid() == 1) {
     mount(NULL, "/sys", "sysfs", 0, NULL);
     mount(NULL, "/proc", "procfs", 0, NULL);
+    mount(NULL, "/tmp", "tmpfs", 0, NULL);
   }
   struct statvfs fsstat;
 
@@ -21,4 +22,4 @@ void lupi_init() {
 void lupi_init() {
   
 }
-#endif
+#endif

src/c/lnative.c

@@ -13,6 +13,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/time.h>
+#include <linux/reboot.h>
 #include <string.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -151,7 +152,7 @@ static int l_fs_spaceUsed (lua_State *L) {
 #ifndef _WIN32
   struct statvfs s;
   if( statvfs(fname, &s) != -1 ) {
-    lua_pushnumber(L, s.f_bsize * s.f_bfree);
+    lua_pushnumber(L, s.f_bsize * (s.f_blocks - s.f_bfree));
   } else {
     lua_pushnumber(L, -1);
   }
@@ -377,6 +378,18 @@ static int l_uptime (lua_State *L) { /* Return ms */
   return 1;
 }
 
+static int l_shutdown(lua_State *L) {
+ int shutdownmode = lua_toboolean(L, 1);
+ sync();
+ printf("%i", shutdownmode);
+ int rebootcmd = LINUX_REBOOT_CMD_POWER_OFF;
+ if (shutdownmode == 1) {
+  rebootcmd = LINUX_REBOOT_CMD_RESTART;
+ }
+ reboot(rebootcmd);
+ exit(0);
+}
+
 static int l_totalMemory (lua_State *L) {
 #if defined(_WIN32) && (defined(__CYGWIN__) || defined(__CYGWIN32__))
   MEMORYSTATUS status;
@@ -492,6 +505,7 @@ void luanative_start(lua_State *L) {
     {"towupper", l_towupper},
     {"beep", l_beep},
     {"uptime", l_uptime},
+    {"shutdown", l_shutdown},
     {"totalMemory", l_totalMemory},
     {"freeMemory", l_freeMemory},
     {"pull", l_pull},

src/lua/core/computer.lua

@@ -166,7 +166,7 @@ function api.totalMemory()
   return native.totalMemory()
 end
 
-function api.shutdown()
+function api.shutdown(reboot)
   --TODO: Longjmp to init somehow?
   print("Running shutdown hooks")
   for k, hook in ipairs(deadhooks) do
@@ -178,7 +178,8 @@ function api.shutdown()
   end
   print("Hooks executed: " .. #deadhooks)
 
+  native.shutdown(reboot)
   os.exit(0)
 end
 
-return computer
+return computer

src/lua/core/filesystem.lua

@@ -123,7 +123,7 @@ function filesystem.register(basePath, uuid)
   end
   function fs.list(path)
     checkArg(1, path, "string")
-    return native.fs_list(realpath(path)) --TODO: Test, check if dirs get / at end
+    return native.fs_list(realpath(path)) or {} --TODO: Test, check if dirs get / at end
   end
   function fs.lastModified(path)
     checkArg(1, path, "string")
@@ -159,4 +159,4 @@ function filesystem.register(basePath, uuid)
   return modules.component.api.register(uuid, "filesystem", fs)
 end
 
-return filesystem
+return filesystem