Initial commitHEADmaster

X86/X86_64 debug/release WORKING

riscv64 WORKING uart

idk

6 files changed, 225 insertions, 0 deletions

diff --git a/arch/riscv64.json b/arch/riscv64.json
new file mode 100644
index 0000000..ea84208
--- /dev/null
+++ b/arch/riscv64.json
@@ -0,0 +1,15 @@
+{
+    "llvm-target": "riscv64-unknown-none-elf",
+    "data-layout": "e-m:e-p:64:64-i64:64-n32:64-S128",
+    "arch": "riscv64",
+    "target-endian": "little",
+    "target-pointer-width": "64",
+    "target-c-int-width": "32",
+    "os": "none",
+    "executables": true,
+    "linker-flavor": "ld.lld",
+    "linker": "rust-lld",
+    "panic-strategy": "abort",
+    "disable-redzone": true,
+    "features": "+m,+a,+c,+f,+d"
+}
diff --git a/arch/riscv64.ld b/arch/riscv64.ld
new file mode 100644
index 0000000..cad0f07
--- /dev/null
+++ b/arch/riscv64.ld
@@ -0,0 +1,25 @@
+ENTRY(start);
+
+. = 0x80200000;
+
+SECTIONS {
+	.text : ALIGN(4K) {
+		*(.init);
+		*(.text);
+	}
+	.bss : ALIGN(4K) {
+		PROVIDE(bss_start = .);
+		*(.bss);
+		. += 4096;
+		PROVIDE(stack_top = .);
+		. += 4096;
+		PROVIDE(global_pointer = .);
+		PROVIDE(bss_end = .);
+	}
+	.rodata : ALIGN(4K) {
+		*(.rodata);
+	}
+	.data : ALIGN(4K) {
+		*(.data);
+	}
+}
diff --git a/arch/x86.json b/arch/x86.json
new file mode 100644
index 0000000..9b558de
--- /dev/null
+++ b/arch/x86.json
@@ -0,0 +1,15 @@
+{
+    "llvm-target": "i686-unknown-none",
+    "data-layout": "e-m:e-p:32:32-i64:64-f80:32-n8:16:32-S128",
+    "arch": "x86",
+    "target-endian": "little",
+    "target-pointer-width": "32",
+    "target-c-int-width": "32",
+    "os": "none",
+    "executables": true,
+    "linker-flavor": "ld.lld",
+    "linker": "rust-lld",
+    "panic-strategy": "abort",
+    "disable-redzone": true,
+    "features": "-mmx,-sse,+soft-float"
+}
diff --git a/arch/x86.ld b/arch/x86.ld
new file mode 100644
index 0000000..440e513
--- /dev/null
+++ b/arch/x86.ld
@@ -0,0 +1,74 @@
+ENTRY (_start)
+
+KERNEL_PMA = 0x00100000;
+KERNEL_VMA = 0xC0000000;
+
+SECTIONS
+{
+	. = KERNEL_PMA;
+
+
+	.multiboot.data : {
+		*(.multiboot2.header)
+		*(.boot32.rodata)
+	}
+
+	.multiboot.text : {
+		*(.multiboot.text)
+	}
+
+	. += KERNEL_VMA;
+
+	.text ALIGN (4K) : AT (ADDR (.text) - KERNEL_VMA)
+	{
+		*(.text)
+	}
+
+	.got ALIGN (4K) : AT (ADDR (.got) - KERNEL_VMA)
+	{
+		*(.got)
+	}
+
+	.got.plt ALIGN (4K) : AT (ADDR (.got.plt) - KERNEL_VMA)
+	{
+		*(.got.plt)
+	}
+
+	.rodata ALIGN(4K) : AT (ADDR (.rodata) - KERNEL_VMA)
+	{
+		*(.rodata)
+	}
+
+	.data ALIGN (4K) : AT (ADDR (.data) - KERNEL_VMA)
+	{
+		*(.data)
+	}
+
+	.bss ALIGN (4K) : AT (ADDR (.bss) - KERNEL_VMA)
+	{
+		*(COMMON)
+		*(.bss)
+		*(.bootstrap_stack)
+	}
+
+	/DISCARD/ :
+	{
+		*(.debug_abbrev)
+		*(.debug_aranges)
+		*(.debug_frame)
+		*(.debug_gdb_scripts)
+		*(.debug_info)
+		*(.debug_line)
+		*(.debug_line_str)
+		*(.debug_loc)
+		*(.debug_pubnames)
+		*(.debug_pubtypes)
+		*(.debug_ranges)
+		*(.debug_str)
+
+		*(.comment)
+		*(.note.*)
+	}
+
+	_kernel_end = .;
+}
diff --git a/arch/x86_64.json b/arch/x86_64.json
new file mode 100644
index 0000000..23da62b
--- /dev/null
+++ b/arch/x86_64.json
@@ -0,0 +1,15 @@
+{
+    "llvm-target": "x86_64-unknown-none",
+    "data-layout": "e-m:e-i64:64-f80:128-n8:16:32:64-S128",
+    "arch": "x86_64",
+    "target-endian": "little",
+    "target-pointer-width": "64",
+    "target-c-int-width": "32",
+    "os": "none",
+    "executables": true,
+    "linker-flavor": "ld.lld",
+    "linker": "rust-lld",
+    "panic-strategy": "abort",
+    "disable-redzone": true,
+    "features": "-mmx,-sse,+soft-float"
+}
diff --git a/arch/x86_64.ld b/arch/x86_64.ld
new file mode 100644
index 0000000..da6663e
--- /dev/null
+++ b/arch/x86_64.ld
@@ -0,0 +1,81 @@
+ENTRY(_start)
+
+KERNEL_AP_PMA = 0x0000000000008000;
+KERNEL_PMA = 0x0000000000100000;
+KERNEL_VMA = 0xffffffff80000000;
+
+SECTIONS
+{
+	/*
+	. = KERNEL_AP_PMA;
+
+	.apinit BLOCK(4K) : ALIGN(4K)
+	{
+		*(.apinit)
+	}
+	*/
+
+	. = KERNEL_PMA;
+
+	.boot BLOCK(4K) : ALIGN(4K)
+	{
+		KEEP(*(.multiboot2.header)) 
+		*(.boot32.text)
+		*(.boot32.rodata)
+		*(.boot32.bss)
+		*(.boot64.text)
+	}
+
+	. += KERNEL_VMA;
+
+	.text ALIGN(4K) : AT (ADDR (.text) - KERNEL_VMA)
+	{
+		*(.text)
+	}
+
+	.rodata ALIGN(4K) : AT (ADDR (.rodata) - KERNEL_VMA)
+	{
+		*(.rodata)
+	}
+
+	.rodata. ALIGN(4K) : AT (ADDR (.rodata.) - KERNEL_VMA)
+	{
+		*(.rodata.*)
+	}
+
+	.data ALIGN(4K) : AT (ADDR (.data) - KERNEL_VMA)
+	{
+		*(.data)
+	}
+
+	.bss ALIGN(4K) : AT (ADDR (.bss) - KERNEL_VMA)
+	{
+		*(.bss)
+	}
+
+	.bss. ALIGN(4K) : AT (ADDR (.bss.) - KERNEL_VMA)
+	{
+		*(.bss.*)
+	}
+
+	/DISCARD/ :
+	{
+		*(.debug_abbrev)
+		*(.debug_aranges)
+		*(.debug_frame)
+		*(.debug_gdb_scripts)
+		*(.debug_info)
+		*(.debug_line)
+		*(.debug_line_str)
+		*(.debug_loc)
+		*(.debug_pubnames)
+		*(.debug_pubtypes)
+		*(.debug_ranges)
+		*(.debug_str)
+
+		*(.comment)
+		*(.note.*)
+	}
+
+	_kernel_end = .;
+}