Merge 8f29039141 into a95d5559de

Update Zealbooter build system from Limine template

src/Kernel/KDebug.ZC

@@ -711,7 +711,7 @@ U0 Fault2(I64 fault_num, I64 fault_err_code)
 {//Called from $LK,"Fault2",A="FF:::/Kernel/KInterrupts.ZC,Fault2"$.
 //$BK,1$Be careful not to swap-out and ruin the saved context$BK,0$
 	Bool was_raw, was_single_user, was_silent, was_in_debug, was_mouse_enabled;
-	I64  i, old_raw_flags = text.raw_flags;
+	I64  i, old_raw_flags;
 
 	was_single_user = SingleUser(ON);
 	if (!IsDebugMode)
@@ -723,6 +723,7 @@ U0 Fault2(I64 fault_num, I64 fault_err_code)
 		CallExtNum(EXT_DEBUG_RESUME, fault_num, fault_err_code);
 	else
 	{
+		old_raw_flags = text.raw_flags;
 		was_mouse_enabled = CallExtStr("MouseHardEnable", FALSE);
 		was_raw = Raw(ON);
 		was_silent = Silent(OFF);

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 =
-    ifeq ($(origin $1),default)
-        override $(1) := $(2)
-    endif
-    ifeq ($(origin $1),undefined)
-        override $(1) := $(2)
-    endif
-endef
+override USER_VARIABLE = $(if $(filter $(origin $(1)),default undefined),$(eval override $(1) := $(2)))
 
 # User controllable C compiler command.
-override DEFAULT_KCC := cc
-$(eval $(call DEFAULT_VAR,KCC,$(DEFAULT_KCC)))
+$(call USER_VARIABLE,KCC,cc)
 
 # User controllable linker command.
-override DEFAULT_KLD := ld
-$(eval $(call DEFAULT_VAR,KLD,$(DEFAULT_KLD)))
+$(call USER_VARIABLE,KLD,ld)
 
 # User controllable C flags.
-override DEFAULT_KCFLAGS := -g -O2 -pipe
-$(eval $(call DEFAULT_VAR,KCFLAGS,$(DEFAULT_KCFLAGS)))
+$(call USER_VARIABLE,KCFLAGS,-g -O2 -pipe)
 
 # User controllable C preprocessor flags. We set none by default.
-override DEFAULT_KCPPFLAGS :=
-$(eval $(call DEFAULT_VAR,KCPPFLAGS,$(DEFAULT_KCPPFLAGS)))
+$(call USER_VARIABLE,KCPPFLAGS,)
 
 # User controllable nasm flags.
-override DEFAULT_KNASMFLAGS := -F dwarf -g
-$(eval $(call DEFAULT_VAR,KNASMFLAGS,$(DEFAULT_KNASMFLAGS)))
+$(call USER_VARIABLE,KNASMFLAGS,-F dwarf -g)
 
 # User controllable linker flags. We set none by default.
-override DEFAULT_KLDFLAGS :=
-$(eval $(call DEFAULT_VAR,KLDFLAGS,$(DEFAULT_KLDFLAGS)))
+$(call USER_VARIABLE,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;
-    rodata  PT_LOAD;
-    data    PT_LOAD;
+    requests PT_LOAD;
+    text     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 */