add ,,empty'' file for the agilent lz algorithm (with assembler)

diff --git a/Makefile b/Makefile
index 6b43a5f33709ac03e187f5421a439bc663cc0847..6fbd0b79605d8497478f4e7e5cea4691f9a8ab44 100644 (file)
--- 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 (file)
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 (file)
index 0000000..bab8b64
--- /dev/null
+++ b/rsb-lz.h
@@ -0,0 +1 @@
+#define LZ_MAGIC 0x6110beef