From dc2e2cc9dc9d7790e23dd9a4ccc265d7bb6d76aa Mon Sep 17 00:00:00 2001
From: Kimplul <kimi.h.kuparinen@gmail.com>
Date: Mon, 20 Dec 2021 12:28:30 +0200
Subject: Added init back

---
 arch/riscv/conf/apos.its      |   4 ++--
 arch/riscv/conf/init          | Bin 0 -> 1032 bytes
 arch/riscv/conf/init-link.S   |  30 ++++++++++++++++++++++++++++++
 arch/riscv/conf/initrd        | Bin 0 -> 1536 bytes
 arch/riscv/conf/initrd.txt    |   1 -
 arch/riscv/conf/kernel-link.S |   4 ++--
 arch/riscv/conf/s.S           |   4 ++++
 7 files changed, 38 insertions(+), 5 deletions(-)
 create mode 100755 arch/riscv/conf/init
 create mode 100644 arch/riscv/conf/init-link.S
 create mode 100644 arch/riscv/conf/initrd
 delete mode 100644 arch/riscv/conf/initrd.txt
 create mode 100644 arch/riscv/conf/s.S

(limited to 'arch/riscv/conf')

diff --git a/arch/riscv/conf/apos.its b/arch/riscv/conf/apos.its
index 1581025..15db4a4 100644
--- a/arch/riscv/conf/apos.its
+++ b/arch/riscv/conf/apos.its
@@ -7,7 +7,7 @@
 	images {
 		kernel {
 			description = "Garbaggio";
-			data = /incbin/("../../../kernel.bin");
+			data = /incbin/("../../../apos.bin");
 			type = "kernel";
 			arch = "riscv";
 			os = "apos";
@@ -21,7 +21,7 @@
 
 		initrd {
 			description = "Gargabbio initrd";
-			data = /incbin/("initrd.txt");
+			data = /incbin/("initrd");
 			type = "ramdisk";
 			arch = "riscv";
 			os = "apos";
diff --git a/arch/riscv/conf/init b/arch/riscv/conf/init
new file mode 100755
index 0000000..06e61e0
Binary files /dev/null and b/arch/riscv/conf/init differ
diff --git a/arch/riscv/conf/init-link.S b/arch/riscv/conf/init-link.S
new file mode 100644
index 0000000..642e831
--- /dev/null
+++ b/arch/riscv/conf/init-link.S
@@ -0,0 +1,30 @@
+OUTPUT_ARCH(riscv)
+ENTRY(main)
+
+SECTIONS {
+	. = ABSOLUTE(PM_KERN);
+	__init_start = .;
+
+	/* objcopy only copies these three sections (as far as I'm aware) into the
+	   produces binary, so __init_end should point to the correct location in the
+	   final binary
+	 */
+	.text ALIGN(4K) : AT(0) {
+		*(.init.start)
+		*(.text*);
+	}
+
+	.rodata : {
+		*(.rodata*)
+	}
+
+	.data : {
+		*(.data*)
+	}
+
+	.bss : {
+		*(.bss*) *(COMMON)
+	}
+
+	__init_end = . ;
+}
diff --git a/arch/riscv/conf/initrd b/arch/riscv/conf/initrd
new file mode 100644
index 0000000..8dc931b
Binary files /dev/null and b/arch/riscv/conf/initrd differ
diff --git a/arch/riscv/conf/initrd.txt b/arch/riscv/conf/initrd.txt
deleted file mode 100644
index e965047..0000000
--- a/arch/riscv/conf/initrd.txt
+++ /dev/null
@@ -1 +0,0 @@
-Hello
diff --git a/arch/riscv/conf/kernel-link.S b/arch/riscv/conf/kernel-link.S
index bf0ad28..d3b1223 100644
--- a/arch/riscv/conf/kernel-link.S
+++ b/arch/riscv/conf/kernel-link.S
@@ -2,10 +2,10 @@ OUTPUT_ARCH(riscv)
 ENTRY(main)
 
 SECTIONS {
-	. = ABSOLUTE(PM_KERN);
+	. = ABSOLUTE(VM_KERN);
 	__kernel_start = .;
 
-	.text : AT(0) {
+	.text ALIGN(4K) : AT(0) {
 		*(.kernel.start);
 		*(.text*);
 	}
diff --git a/arch/riscv/conf/s.S b/arch/riscv/conf/s.S
new file mode 100644
index 0000000..7b796ce
--- /dev/null
+++ b/arch/riscv/conf/s.S
@@ -0,0 +1,4 @@
+.text
+.global _start
+_start:
+loop: j loop
-- 
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