From 650ebf3b096355d69644d60d9d8da84d947dd3a4 Mon Sep 17 00:00:00 2001
From: Michael Gernoth <michael@gernoth.net>
Date: Fri, 30 Jan 2009 13:17:11 +0100
Subject: [PATCH] add ,,empty'' file for the agilent lz algorithm (with
 assembler)

---
 Makefile |  6 ++--
 rsb-lz.c | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 rsb-lz.h |  1 +
 3 files changed, 92 insertions(+), 2 deletions(-)
 create mode 100644 rsb-lz.c
 create mode 100644 rsb-lz.h

diff --git a/Makefile b/Makefile
index 6b43a5f..6fbd0b7 100644
--- a/Makefile
+++ b/Makefile
@@ -2,12 +2,14 @@ CFLAGS=-Wall -O3
 
 all: firmware 
 
-firmware: firmware.o rsb-crc.o
+firmware: firmware.o rsb-crc.o rsb-lz.o
 
-firmware.o: firmware.c rsb-crc.h
+firmware.o: firmware.c rsb-crc.h rsb-lz.h
 
 rsb-crc.o: rsb-crc.c rsb-crc.h
 
+rsb-lz.o: rsb-lz.c rsb-lz.h
+
 clean:
 	rm -f firmware firmware.o rsb-crc.o
 
diff --git a/rsb-lz.c b/rsb-lz.c
new file mode 100644
index 0000000..b0129b5
--- /dev/null
+++ b/rsb-lz.c
@@ -0,0 +1,87 @@
+/* TODO: IMPLEMET THIS! */
+/* Probably very broken lzw implementation by Agilent:
+ *
+ * 59a38:	e92d4ff0 	push	{r4, r5, r6, r7, r8, r9, r10, r11, r14}
+ * 59a3c:	e1a07000 	mov	r7, r0
+ * 59a40:	e1a0a001 	mov	r10, r1
+ * 59a44:	e1a0b002 	mov	r11, r2
+ * 59a48:	ebfffeae 	bl	0x59508
+ * 59a4c:	e3a03033 	mov	r3, #51	; 0x33
+ * 59a50:	e3a0203f 	mov	r2, #63	; 0x3f
+ * 59a54:	e3a01000 	mov	r1, #0	; 0x0
+ * 59a58:	e3a00000 	mov	r0, #0	; 0x0
+ * 59a5c:	ebfffec5 	bl	0x59578
+ * 59a60:	e59f3100 	ldr	r3, [pc, #256]	; 0x59b68
+ * 59a64:	e3a02033 	mov	r2, #51	; 0x33
+ * 59a68:	e3a01540 	mov	r1, #268435456	; 0x10000000
+ * 59a6c:	e3a00004 	mov	r0, #4	; 0x4
+ * 59a70:	ebfffec0 	bl	0x59578
+ * 59a74:	e59f30f0 	ldr	r3, [pc, #240]	; 0x59b6c
+ * 59a78:	e3a0201b 	mov	r2, #27	; 0x1b
+ * 59a7c:	e3a01550 	mov	r1, #335544320	; 0x14000000
+ * 59a80:	e3a00005 	mov	r0, #5	; 0x5
+ * 59a84:	ebfffebb 	bl	0x59578
+ * 59a88:	e3a03033 	mov	r3, #51	; 0x33
+ * 59a8c:	e3a0203b 	mov	r2, #59	; 0x3b
+ * 59a90:	e3a014c0 	mov	r1, #-1073741824	; 0xc0000000
+ * 59a94:	e3a00007 	mov	r0, #7	; 0x7
+ * 59a98:	ebfffeb6 	bl	0x59578
+ * 59a9c:	e59f00cc 	ldr	r0, [pc, #204]	; 0x59b70
+ * 59aa0:	ebfffeae 	bl	0x59560
+ * 59aa4:	e59b5000 	ldr	r5, [r11]
+ * 59aa8:	e59f20c4 	ldr	r2, [pc, #196]	; 0x59b74
+ * 59aac:	e1550002 	cmp	r5, r2
+ * 59ab0:	0a000000 	beq	0x59ab8
+ * 59ab4:	ebffff33 	bl	0x59788
+ * 59ab8:	e28b3004 	add	r3, r11, #4	; 0x4
+ * 59abc:	e5935000 	ldr	r5, [r3]
+ * 59ac0:	e0853007 	add	r3, r5, r7
+ * 59ac4:	e153000a 	cmp	r3, r10
+ * 59ac8:	3a000000 	bcc	0x59ad0
+ * 59acc:	ebffff2d 	bl	0x59788
+ * 59ad0:	e28b2008 	add	r2, r11, #8	; 0x8
+ * 59ad4:	e59f809c 	ldr	r8, [pc, #156]	; 0x59b78
+ * 59ad8:	e5882000 	str	r2, [r8]
+ * 59adc:	e085200b 	add	r2, r5, r11
+ * 59ae0:	e59f8090 	ldr	r8, [pc, #144]	; 0x59b78
+ * 59ae4:	e5882004 	str	r2, [r8, #4]
+ * 59ae8:	e3a02000 	mov	r2, #0	; 0x0
+ * 59aec:	e59f8084 	ldr	r8, [pc, #132]	; 0x59b78
+ * 59af0:	e5c82009 	strb	r2, [r8, #9]
+ * 59af4:	e3a02080 	mov	r2, #128	; 0x80
+ * 59af8:	e59f8078 	ldr	r8, [pc, #120]	; 0x59b78
+ * 59afc:	e5c82008 	strb	r2, [r8, #8]
+ * 59b00:	e59f8074 	ldr	r8, [pc, #116]	; 0x59b7c
+ * 59b04:	e5887000 	str	r7, [r8]
+ * 59b08:	e0853007 	add	r3, r5, r7
+ * 59b0c:	e59f8068 	ldr	r8, [pc, #104]	; 0x59b7c
+ * 59b10:	e5883004 	str	r3, [r8, #4]
+ * 59b14:	e59f1060 	ldr	r1, [pc, #96]	; 0x59b7c
+ * 59b18:	e59f0058 	ldr	r0, [pc, #88]	; 0x59b78
+ * 59b1c:	ebffff86 	bl	0x5993c
+ * 59b20:	e2873020 	add	r3, r7, #32	; 0x20
+ * 59b24:	e5935000 	ldr	r5, [r3]
+ * 59b28:	e59f2050 	ldr	r2, [pc, #80]	; 0x59b80
+ * 59b2c:	e1a01005 	mov	r1, r5
+ * 59b30:	e1a00007 	mov	r0, r7
+ * 59b34:	ebfffed2 	bl	0x59684
+ * 59b38:	e1a01000 	mov	r1, r0
+ * 59b3c:	e1a04001 	mov	r4, r1
+ * 59b40:	e3540000 	cmp	r4, #0	; 0x0
+ * 59b44:	0a000000 	beq	0x59b4c
+ * 59b48:	ebffff0e 	bl	0x59788
+ * 59b4c:	ebfffe6d 	bl	0x59508
+ * 59b50:	e8bd8ff0 	pop	{r4, r5, r6, r7, r8, r9, r10, r11, r15}
+ * 59b54:	c00b003c 	andgt	r0, r11, r12, lsr r0
+ * 59b58:	c00b0038 	andgt	r0, r11, r8, lsr r0
+ * 59b5c:	c00b0034 	andgt	r0, r11, r4, lsr r0
+ * 59b60:	c00b0030 	andgt	r0, r11, r0, lsr r0
+ * 59b64:	14000418 	strne	r0, [r0], #-1048
+ * 59b68:	00000366 	andeq	r0, r0, r6, ror #6
+ * 59b6c:	00000733 	andeq	r0, r0, r3, lsr r7
+ * 59b70:	00001005 	andeq	r1, r0, r5
+ * 59b74:	6110beef 	tstvs	r0, r15, ror #29  <- LZW Header...
+ * 59b78:	14000404 	strne	r0, [r0], #-1028
+ * 59b7c:	14000410 	strne	r0, [r0], #-1040
+ * 59b80:	46335053 	undefined
+ */
diff --git a/rsb-lz.h b/rsb-lz.h
new file mode 100644
index 0000000..bab8b64
--- /dev/null
+++ b/rsb-lz.h
@@ -0,0 +1 @@
+#define LZ_MAGIC 0x6110beef
-- 
2.39.2