From 90655746ca95964fe357f14bf8d83c8d7091a3ad Mon Sep 17 00:00:00 2001
From: greg <elorian.mestec@gmail.com>
Date: Sun, 25 Oct 2015 23:25:15 -0700
Subject: [PATCH] Rust kernel

Following  this post:
http://blog.phil-opp.com/rust-os/multiboot-kernel.html#fn2
---
 rust_boot.asm                           |   7 +++++++
 rust_kernel.rs                          |   0
 rust_kernel/Makefile                    |  20 ++++++++++++++++++++
 rust_kernel/isofiles/boot/grub/grub.cfg |   8 ++++++++
 rust_kernel/isofiles/boot/kernel.bin    | Bin 0 -> 864 bytes
 rust_kernel/isofiles/kernel.bin         | Bin 0 -> 864 bytes
 rust_kernel/linker.ld                   |  16 ++++++++++++++++
 rust_kernel/multiboot2_header.asm       |  14 ++++++++++++++
 rust_kernel/rust_boot.asm               |   9 +++++++++
 rust_kernel/rust_kernel.rs              |   0
 10 files changed, 74 insertions(+)
 create mode 100644 rust_boot.asm
 create mode 100644 rust_kernel.rs
 create mode 100644 rust_kernel/Makefile
 create mode 100644 rust_kernel/isofiles/boot/grub/grub.cfg
 create mode 100755 rust_kernel/isofiles/boot/kernel.bin
 create mode 100755 rust_kernel/isofiles/kernel.bin
 create mode 100644 rust_kernel/linker.ld
 create mode 100644 rust_kernel/multiboot2_header.asm
 create mode 100644 rust_kernel/rust_boot.asm
 create mode 100644 rust_kernel/rust_kernel.rs

diff --git a/rust_boot.asm b/rust_boot.asm
new file mode 100644
index 0000000..09bb57b
--- /dev/null
+++ b/rust_boot.asm
@@ -0,0 +1,7 @@
+global start
+
+section .text
+bits 32
+start:
+    mov dword [0xb800], 0x2f4b2f4f
+    hlt
diff --git a/rust_kernel.rs b/rust_kernel.rs
new file mode 100644
index 0000000..e69de29
diff --git a/rust_kernel/Makefile b/rust_kernel/Makefile
new file mode 100644
index 0000000..873ac03
--- /dev/null
+++ b/rust_kernel/Makefile
@@ -0,0 +1,20 @@
+
+all: run_kernel
+
+kernel.bin: multiboot2_header.asm rust_boot.asm linker.ld
+	nasm -f elf64 multiboot2_header.asm
+	nasm -f elf64 rust_boot.asm
+	ld -n -o kernel.bin -T linker.ld multiboot2_header.o rust_boot.o
+
+os.iso: kernel.bin
+	cp kernel.bin isofiles/
+	grub-mkrescue -o os.iso isofiles
+
+run_kernel: os.iso
+	qemu-system-x86_64 -hda os.iso
+
+.PHONY: clean
+clean:
+	rm -f *.o
+	rm -f kernel.bin
+	rm -f os.iso
diff --git a/rust_kernel/isofiles/boot/grub/grub.cfg b/rust_kernel/isofiles/boot/grub/grub.cfg
new file mode 100644
index 0000000..7d1c964
--- /dev/null
+++ b/rust_kernel/isofiles/boot/grub/grub.cfg
@@ -0,0 +1,8 @@
+
+set timeout=2
+set default=0
+
+menuentry "my os" {
+    multiboot2 /boot/kernel.bin
+    boot
+}
diff --git a/rust_kernel/isofiles/boot/kernel.bin b/rust_kernel/isofiles/boot/kernel.bin
new file mode 100755
index 0000000000000000000000000000000000000000..0732f804d20306dc9fea3494780847c631457810
GIT binary patch
literal 864
zcmb<-^>JfjWMqH=CI&kO5Kln^BH{p{7#@HGp=<{R3kF682L?6<X0TdT1_p)(s2l@S
zAB@(9io<9DC?7^$3kZ4vVoNYEFbJ(*D-L3FfCwl)&dRWZfx%zjTmK7#UU6k^Nn#R%
zUU5kggwBAmlJfIQ81za~D@vgH@KIn_!`z9akePvr0p@R*Fv#013?Ki)_%IsmP>}D@
z%uxX=U}TU$6W3>8V8CXMEdv9C02X^0a!YecGC|%liqA+*Oi3-$ODxW1fH32WOA?Dp
zV4T#v6o#VG;*xlfYOpGZG}tAS64DF|AYU>t!3=`>3l`s?c!NoSXi#{8Xc$(6>Su!r
zz`}O{l+O*NVHA4$5M*FrV1`K|(W{|sbtny^(Cr8D;cka1Vqjpn0c9V6(x5cV&cMI`
bOM5VXapJIl2FPFr1_o!Sei#K6hH)7HZooZ@

literal 0
HcmV?d00001

diff --git a/rust_kernel/isofiles/kernel.bin b/rust_kernel/isofiles/kernel.bin
new file mode 100755
index 0000000000000000000000000000000000000000..f199f57563d7df009415f24a0fcaa727916c36f2
GIT binary patch
literal 864
zcmb<-^>JfjWMqH=CI&kO5Kln^BH{p{7#@HGp=<{R3kF682L?6<X0TdT1_p)(s2l@S
zAB@(4io<9DC?7^$3kZ4vVoNYEFbJ(*D-L3FfCwnw&(XlmaGc#=-&_9+gI;lEZb@Pi
zgI;k-5rocwv6AxhOBnP@QY%WJ8u3tISHs+iq>h<^i2>$sm@vrOEDRt2!}u^7>`;*J
z(acc+D_~@hKoi$zU|_&zjx7TNg8&wL8FEW=N-{ydGK$YgO-xBG(n~DPWq>f_i%SxV
zN?@GSycC9_(&CbMkZQ0hh&0$GloHYm3?N@JFu@Fh`U@7{pm>8xfoM>8foK?3gz9I5
z3c$j50hG@JrC}6$`VeGbU|@zxBGGH0Y;`CNqtNXK@!@WVDPmw?xB+D!fYP8e%+A2T
c084u?e{tfle+I~41_lOasD2m)6^3yc01<yaD*ylh

literal 0
HcmV?d00001

diff --git a/rust_kernel/linker.ld b/rust_kernel/linker.ld
new file mode 100644
index 0000000..2dec252
--- /dev/null
+++ b/rust_kernel/linker.ld
@@ -0,0 +1,16 @@
+ENTRY(start)
+
+SECTIONS {
+    . = 10K; /* load into memory at 1M */
+
+    .boot :
+    {
+        /* ensure that the multiboot header is at the beginning */
+        *(.multiboot2_header)
+    }
+
+    .text :
+    {
+        *(.text)
+    }
+}
diff --git a/rust_kernel/multiboot2_header.asm b/rust_kernel/multiboot2_header.asm
new file mode 100644
index 0000000..ac5e7b9
--- /dev/null
+++ b/rust_kernel/multiboot2_header.asm
@@ -0,0 +1,14 @@
+section .multiboot2_header
+
+header_start:
+    dd 0xe85250d6 ;multiboot 2 magic number
+    dd 0    ; architecture 0 (protected i386)
+    dd header_end - header_start ;header length
+    ;checksum
+    dd 0x100000000 - (0xe85250d6 + 0 + (header_end - header_start))
+
+    dw 0 ;type
+    dw 0 ;flags
+    dd 8 ;size
+header_end:
+
diff --git a/rust_kernel/rust_boot.asm b/rust_kernel/rust_boot.asm
new file mode 100644
index 0000000..e807fd4
--- /dev/null
+++ b/rust_kernel/rust_boot.asm
@@ -0,0 +1,9 @@
+global start
+
+section .text
+bits 32
+
+start:
+    mov edi, 0xb8000
+    mov dword [edi], 0x2f4b2f4f
+    hlt
diff --git a/rust_kernel/rust_kernel.rs b/rust_kernel/rust_kernel.rs
new file mode 100644
index 0000000..e69de29