Merge e24f121ad6 into a95d5559de

Update Zealbooter build system from Limine template

src/Demo/Graphics/WallPaperImage.ZC

@@ -0,0 +1,64 @@
+#include "::/Home/Wallpapers/Images/Lib/uPNG";
+
+U0 (*old_wall_paper)(CTask *task);
+RegDefault("Wallpapers/Images/Current", "1;\n");
+RegExe("Wallpapers/Images/Current");
+
+CDC *image;
+
+U0 WallPaperSet(I8 direction) {
+    CDirEntry *tmpde1;
+    // read the current wallpaper index from the registry
+    I64 current = RegExe("Wallpapers/Images/Current");
+    I64 max = 0;
+
+    // SysLog("Reading current wallpaper index from registry: %d\n", current);
+
+    // search the wallpapers directory for .DD files
+    tmpde1 = FilesFind("::/Home/Wallpapers/Images/1024/*.png", 1);
+    if (tmpde1) {
+        do {
+            max++;
+            tmpde1 = tmpde1->next;
+        } while (tmpde1);
+    }
+
+    // move to the next/previous wallpaper
+    current += direction;
+    if (current < 1)
+        current = max;  // wrap around to the end
+    if (current > max)
+        current = 1;  // wrap around to the start
+
+    // write the new current index back to the registry
+    RegWrite("Wallpapers/Images/Current", "%d;\n", current);
+
+    // SysLog("Current: %d\n", current);
+    // Change the wallpaper
+    Sys("WallPaperImageInit(\"::/Home/Wallpapers/Images/1024/%d.png\");\n", current);
+}
+
+U0 WallPaperImage(CTask *task) {
+	CDC *dc = DCAlias(gr.dc2, task);
+	// TODO: dont call PNGRead everyframe, should only be called once;
+    GrBlot(dc, 0, 0, image);
+	DCDel(dc);
+}
+
+U0 WallPaperImageInit(I64 filepath="::/Home/Wallpapers/Images/1024/1.png")
+{
+    if (Fs != sys_task)
+    {
+        "\nMust be System Included. (SHIFT-F5 / RightClick->System Include) \n";
+        return;
+    }
+    old_wall_paper = gr.fp_wall_paper;
+	
+	image = PNGRead(filepath);
+
+    // wallpaper_doc->win_task = sys_winmgr_task;
+
+    gr.fp_wall_paper = &WallPaperImage;
+}
+
+WallPaperSet(1);

zealbooter/GNUmakefile

@@ -1,43 +1,40 @@
 # Nuke built-in rules and variables.
-override MAKEFLAGS += -rR
+MAKEFLAGS += -rR
+.SUFFIXES:
 
 # This is the name that our final executable will have.
 # Change as needed.
 override OUTPUT := kernel
 
 # Convenience macro to reliably declare user overridable variables.
-define DEFAULT_VAR =
+override USER_VARIABLE = $(if $(filter $(origin $(1)),default undefined),$(eval override $(1) := $(2)))
-    ifeq ($(origin $1),default)
-        override $(1) := $(2)
-    endif
-    ifeq ($(origin $1),undefined)
-        override $(1) := $(2)
-    endif
-endef
 
 # User controllable C compiler command.
-override DEFAULT_KCC := cc
+$(call USER_VARIABLE,KCC,cc)
-$(eval $(call DEFAULT_VAR,KCC,$(DEFAULT_KCC)))
 
 # User controllable linker command.
-override DEFAULT_KLD := ld
+$(call USER_VARIABLE,KLD,ld)
-$(eval $(call DEFAULT_VAR,KLD,$(DEFAULT_KLD)))
 
 # User controllable C flags.
-override DEFAULT_KCFLAGS := -g -O2 -pipe
+$(call USER_VARIABLE,KCFLAGS,-g -O2 -pipe)
-$(eval $(call DEFAULT_VAR,KCFLAGS,$(DEFAULT_KCFLAGS)))
 
 # User controllable C preprocessor flags. We set none by default.
-override DEFAULT_KCPPFLAGS :=
+$(call USER_VARIABLE,KCPPFLAGS,)
-$(eval $(call DEFAULT_VAR,KCPPFLAGS,$(DEFAULT_KCPPFLAGS)))
 
 # User controllable nasm flags.
-override DEFAULT_KNASMFLAGS := -F dwarf -g
+$(call USER_VARIABLE,KNASMFLAGS,-F dwarf -g)
-$(eval $(call DEFAULT_VAR,KNASMFLAGS,$(DEFAULT_KNASMFLAGS)))
 
 # User controllable linker flags. We set none by default.
-override DEFAULT_KLDFLAGS :=
+$(call USER_VARIABLE,KLDFLAGS,)
-$(eval $(call DEFAULT_VAR,KLDFLAGS,$(DEFAULT_KLDFLAGS)))
+
+# Check if KCC is Clang.
+override KCC_IS_CLANG := $(shell ! $(KCC) --version 2>/dev/null | grep 'clang' >/dev/null 2>&1; echo $$?)
+
+# If the C compiler is Clang, set the target as needed.
+ifeq ($(KCC_IS_CLANG),1)
+    override KCC += \
+        -target x86_64-unknown-none
+endif
 
 # Internal C flags that should not be changed by the user.
 override KCFLAGS += \

zealbooter/linker.ld

@@ -9,9 +9,10 @@ ENTRY(kmain)
 /* process. */
 PHDRS
 {
-    text    PT_LOAD;
+    requests PT_LOAD;
-    rodata  PT_LOAD;
+    text     PT_LOAD;
-    data    PT_LOAD;
+    rodata   PT_LOAD;
+    data     PT_LOAD;
 }
 
 SECTIONS
@@ -22,6 +23,16 @@ SECTIONS
     /* that is the beginning of the region. */
     . = 0xffffffff80000000;
 
+    /* Define a section to contain the Limine requests and assign it to its own PHDR */
+    .requests : {
+        KEEP(*(.requests_start_marker))
+        KEEP(*(.requests))
+        KEEP(*(.requests_end_marker))
+    } :requests
+
+    /* Move to the next memory page for .text */
+    . = ALIGN(CONSTANT(MAXPAGESIZE));
+
     .text : {
         *(.text .text.*)
     } :text
@@ -38,12 +49,6 @@ SECTIONS
 
     .data : {
         *(.data .data.*)
-
-        /* Place the sections that contain the Limine requests as part of the .data */
-        /* output section. */
-        KEEP(*(.requests_start_marker))
-        KEEP(*(.requests))
-        KEEP(*(.requests_end_marker))
     } :data
 
     /* NOTE: .bss needs to be the last thing mapped to :data, otherwise lots of */