From d6e087b45fd4fe566d87d679db063d23e8e83661 Mon Sep 17 00:00:00 2001
From: "antnh6@gmail.com" <antnh6@gmail.com>
Date: Sun, 20 May 2018 12:29:51 -0400
Subject: [PATCH] scrapped libsrc

---
 src/MakefileOG        |  44 ++
 src/bwio.a            | Bin 0 -> 5592 bytes
 src/bwio.c            | 257 +++++++++++
 src/bwio.o            | Bin 0 -> 5288 bytes
 src/bwio.s            | 982 ++++++++++++++++++++++++++++++++++++++++++
 src/scheduler.c       |  13 +
 src/task-descriptor.c |  14 +
 7 files changed, 1310 insertions(+)
 create mode 100644 src/MakefileOG
 create mode 100644 src/bwio.a
 create mode 100644 src/bwio.c
 create mode 100644 src/bwio.o
 create mode 100644 src/bwio.s
 create mode 100644 src/scheduler.c
 create mode 100644 src/task-descriptor.c

diff --git a/src/MakefileOG b/src/MakefileOG
new file mode 100644
index 0000000..a5f2290
--- /dev/null
+++ b/src/MakefileOG
@@ -0,0 +1,44 @@
+# Makefile for busy-wait IO tests
+#
+XCC     = /u/wbcowan/gnuarm-4.0.2/arm-elf/bin/gcc
+AS	= /u/wbcowan/gnuarm-4.0.2/arm-elf/bin/as
+AR	= /u/wbcowan/gnuarm-4.0.2/arm-elf/bin/ar
+CFLAGS  = -c -fPIC -Wall -I. -I../../include -mcpu=arm920t -msoft-float
+# -g: include hooks for gdb
+# -c: only compile
+# -mcpu=arm920t: generate code for the 920t architecture
+# -fpic: emit position-independent code
+# -Wall: report all warnings
+
+ASFLAGS	= -mcpu=arm920t -mapcs-32
+# -mapcs: always generate a complete stack frame
+
+ARFLAGS = rcs
+
+all: bwio.a
+
+
+buffer.s: buffer.c
+	$(XCC) -S $(CFLAGS) buffer.c
+
+bwio.s: bwio.c
+	$(XCC) -S $(CFLAGS) bwio.c
+
+buffer.o: buffer.s
+	$(AS) $(ASFLAGS) -o buffer.o buffer.s
+
+bwio.o: bwio.s
+	$(AS) $(ASFLAGS) -o bwio.o bwio.s
+
+buffer.a: buffer.o
+	$(AR) $(ARFLAGS) $@ buffer.o
+
+bwio.a: bwio.o
+	$(AR) $(ARFLAGS) $@ bwio.o
+
+install: bwio.a  buffer.a
+	mv bwio.a ../../lib/libbwio.a
+	mv buffer.a ../../lib/libbuffer.a
+
+clean:
+	-rm -f *.s *.o *.a *~ ../../lib/*.a
diff --git a/src/bwio.a b/src/bwio.a
new file mode 100644
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GIT binary patch
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diff --git a/src/bwio.c b/src/bwio.c
new file mode 100644
index 0000000..dcb1318
--- /dev/null
+++ b/src/bwio.c
@@ -0,0 +1,257 @@
+/*
+ * bwio.c - busy-wait I/O routines for diagnosis
+ *
+ * Specific to the TS-7200 ARM evaluation board
+ *
+ */
+
+#include <ts7200.h>
+#include <bwio.h>
+
+/*
+ * The UARTs are initialized by RedBoot to the following state
+ * 	115,200 bps
+ * 	8 bits
+ * 	no parity
+ * 	fifos enabled
+ */
+int bwsetfifo( int channel, int state ) {
+	int *line, buf;
+	switch( channel ) {
+	case COM1:
+		line = (int *)( UART1_BASE + UART_LCRH_OFFSET );
+	        break;
+	case COM2:
+	        line = (int *)( UART2_BASE + UART_LCRH_OFFSET );
+	        break;
+	default:
+	        return -1;
+	        break;
+	}
+	buf = *line;
+	buf = state ? buf | FEN_MASK : buf & ~FEN_MASK;
+	*line = buf;
+	return 0;
+}
+
+int bwsetspeed( int channel, int speed ) {
+	int *high, *low;
+	switch( channel ) {
+	case COM1:
+		high = (int *)( UART1_BASE + UART_LCRM_OFFSET );
+		low = (int *)( UART1_BASE + UART_LCRL_OFFSET );
+	        break;
+	case COM2:
+		high = (int *)( UART2_BASE + UART_LCRM_OFFSET );
+		low = (int *)( UART2_BASE + UART_LCRL_OFFSET );
+	        break;
+	default:
+	        return -1;
+	        break;
+	}
+	switch( speed ) {
+	case 115200:
+		*high = 0x0;
+		*low = 0x3;
+		return 0;
+	case 2400:
+		*high = 0x0;
+		*low = 0xbf;
+		return 0;
+	default:
+		return -1;
+	}
+}
+
+int bwputc( int channel, char c ) {
+	int *flags, *data;
+	switch( channel ) {
+	case COM1:
+		flags = (int *)( UART1_BASE + UART_FLAG_OFFSET );
+		data = (int *)( UART1_BASE + UART_DATA_OFFSET );
+		break;
+	case COM2:
+		flags = (int *)( UART2_BASE + UART_FLAG_OFFSET );
+		data = (int *)( UART2_BASE + UART_DATA_OFFSET );
+		break;
+	default:
+		return -1;
+		break;
+	}
+	while( ( *flags & TXFF_MASK ) ) ;
+	*data = c;
+	return 0;
+}
+
+char c2x( char ch ) {
+	if ( (ch <= 9) ) return '0' + ch;
+	return 'a' + ch - 10;
+}
+
+int bwputx( int channel, char c ) {
+	char chh, chl;
+
+	chh = c2x( c / 16 );
+	chl = c2x( c % 16 );
+	bwputc( channel, chh );
+	return bwputc( channel, chl );
+}
+
+int bwputr( int channel, unsigned int reg ) {
+	int byte;
+	char *ch = (char *) &reg;
+
+	for( byte = 3; byte >= 0; byte-- ) bwputx( channel, ch[byte] );
+	return bwputc( channel, ' ' );
+}
+
+int bwputstr( int channel, char *str ) {
+	while( *str ) {
+		if( bwputc( channel, *str ) < 0 ) return -1;
+		str++;
+	}
+	return 0;
+}
+
+void bwputw( int channel, int n, char fc, char *bf ) {
+	char ch;
+	char *p = bf;
+
+	while( *p++ && n > 0 ) n--;
+	while( n-- > 0 ) bwputc( channel, fc );
+	while( ( ch = *bf++ ) ) bwputc( channel, ch );
+}
+
+int bwgetc( int channel ) {
+	int *flags, *data;
+	unsigned char c;
+
+	switch( channel ) {
+	case COM1:
+		flags = (int *)( UART1_BASE + UART_FLAG_OFFSET );
+		data = (int *)( UART1_BASE + UART_DATA_OFFSET );
+		break;
+	case COM2:
+		flags = (int *)( UART2_BASE + UART_FLAG_OFFSET );
+		data = (int *)( UART2_BASE + UART_DATA_OFFSET );
+		break;
+	default:
+		return -1;
+		break;
+	}
+	while ( !( *flags & RXFF_MASK ) ) ;
+	c = *data;
+	return c;
+}
+
+int bwa2d( char ch ) {
+	if( ch >= '0' && ch <= '9' ) return ch - '0';
+	if( ch >= 'a' && ch <= 'f' ) return ch - 'a' + 10;
+	if( ch >= 'A' && ch <= 'F' ) return ch - 'A' + 10;
+	return -1;
+}
+
+char bwa2i( char ch, char **src, int base, int *nump ) {
+	int num, digit;
+	char *p;
+
+	p = *src; num = 0;
+	while( ( digit = bwa2d( ch ) ) >= 0 ) {
+		if ( digit > base ) break;
+		num = num*base + digit;
+		ch = *p++;
+	}
+	*src = p; *nump = num;
+	return ch;
+}
+
+void bwui2a( unsigned int num, unsigned int base, char *bf ) {
+	int n = 0;
+	int dgt;
+	unsigned int d = 1;
+	
+	while( (num / d) >= base ) d *= base;
+	while( d != 0 ) {
+		dgt = num / d;
+		num %= d;
+		d /= base;
+		if( n || dgt > 0 || d == 0 ) {
+			*bf++ = dgt + ( dgt < 10 ? '0' : 'a' - 10 );
+			++n;
+		}
+	}
+	*bf = 0;
+}
+
+void bwi2a( int num, char *bf ) {
+	if( num < 0 ) {
+		num = -num;
+		*bf++ = '-';
+	}
+	bwui2a( num, 10, bf );
+}
+
+void bwformat ( int channel, char *fmt, va_list va ) {
+	char bf[12];
+	char ch, lz;
+	int w;
+
+	
+	while ( ( ch = *(fmt++) ) ) {
+		if ( ch != '%' )
+			bwputc( channel, ch );
+		else {
+			lz = 0; w = 0;
+			ch = *(fmt++);
+			switch ( ch ) {
+			case '0':
+				lz = 1; ch = *(fmt++);
+				break;
+			case '1':
+			case '2':
+			case '3':
+			case '4':
+			case '5':
+			case '6':
+			case '7':
+			case '8':
+			case '9':
+				ch = bwa2i( ch, &fmt, 10, &w );
+				break;
+			}
+			switch( ch ) {
+			case 0: return;
+			case 'c':
+				bwputc( channel, va_arg( va, char ) );
+				break;
+			case 's':
+				bwputw( channel, w, 0, va_arg( va, char* ) );
+				break;
+			case 'u':
+				bwui2a( va_arg( va, unsigned int ), 10, bf );
+				bwputw( channel, w, lz, bf );
+				break;
+			case 'd':
+				bwi2a( va_arg( va, int ), bf );
+				bwputw( channel, w, lz, bf );
+				break;
+			case 'x':
+				bwui2a( va_arg( va, unsigned int ), 16, bf );
+				bwputw( channel, w, lz, bf );
+				break;
+			case '%':
+				bwputc( channel, ch );
+				break;
+			}
+		}
+	}
+}
+
+void bwprintf( int channel, char *fmt, ... ) {
+        va_list va;
+
+        va_start(va,fmt);
+        bwformat( channel, fmt, va );
+        va_end(va);
+}
+
diff --git a/src/bwio.o b/src/bwio.o
new file mode 100644
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HcmV?d00001

diff --git a/src/bwio.s b/src/bwio.s
new file mode 100644
index 0000000..1131732
--- /dev/null
+++ b/src/bwio.s
@@ -0,0 +1,982 @@
+	.file	"bwio.c"
+	.text
+	.align	2
+	.global	bwsetfifo
+	.type	bwsetfifo, %function
+bwsetfifo:
+	@ args = 0, pretend = 0, frame = 28
+	@ frame_needed = 1, uses_anonymous_args = 0
+	mov	ip, sp
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #4
+	sub	sp, sp, #28
+	str	r0, [fp, #-24]
+	str	r1, [fp, #-28]
+	ldr	r3, [fp, #-24]
+	str	r3, [fp, #-40]
+	ldr	r3, [fp, #-40]
+	cmp	r3, #0
+	beq	.L3
+	ldr	r3, [fp, #-40]
+	cmp	r3, #1
+	beq	.L4
+	b	.L2
+.L3:
+	ldr	r3, .L11
+	str	r3, [fp, #-20]
+	b	.L5
+.L4:
+	ldr	r3, .L11+4
+	str	r3, [fp, #-20]
+	b	.L5
+.L2:
+	mvn	r3, #0
+	str	r3, [fp, #-36]
+	b	.L6
+.L5:
+	ldr	r3, [fp, #-20]
+	ldr	r3, [r3, #0]
+	str	r3, [fp, #-16]
+	ldr	r3, [fp, #-28]
+	cmp	r3, #0
+	beq	.L7
+	ldr	r3, [fp, #-16]
+	orr	r3, r3, #16
+	str	r3, [fp, #-32]
+	b	.L9
+.L7:
+	ldr	r3, [fp, #-16]
+	bic	r3, r3, #16
+	str	r3, [fp, #-32]
+.L9:
+	ldr	r3, [fp, #-32]
+	str	r3, [fp, #-16]
+	ldr	r2, [fp, #-20]
+	ldr	r3, [fp, #-16]
+	str	r3, [r2, #0]
+	mov	r3, #0
+	str	r3, [fp, #-36]
+.L6:
+	ldr	r3, [fp, #-36]
+	mov	r0, r3
+	sub	sp, fp, #12
+	ldmfd	sp, {fp, sp, pc}
+.L12:
+	.align	2
+.L11:
+	.word	-2138308600
+	.word	-2138243064
+	.size	bwsetfifo, .-bwsetfifo
+	.align	2
+	.global	bwsetspeed
+	.type	bwsetspeed, %function
+bwsetspeed:
+	@ args = 0, pretend = 0, frame = 28
+	@ frame_needed = 1, uses_anonymous_args = 0
+	mov	ip, sp
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #4
+	sub	sp, sp, #28
+	str	r0, [fp, #-24]
+	str	r1, [fp, #-28]
+	ldr	r2, [fp, #-24]
+	str	r2, [fp, #-36]
+	ldr	r3, [fp, #-36]
+	cmp	r3, #0
+	beq	.L15
+	ldr	r2, [fp, #-36]
+	cmp	r2, #1
+	beq	.L16
+	b	.L14
+.L15:
+	ldr	r3, .L23
+	str	r3, [fp, #-20]
+	ldr	r3, .L23+4
+	str	r3, [fp, #-16]
+	b	.L17
+.L16:
+	ldr	r3, .L23+8
+	str	r3, [fp, #-20]
+	ldr	r3, .L23+12
+	str	r3, [fp, #-16]
+	b	.L17
+.L14:
+	mvn	r3, #0
+	str	r3, [fp, #-32]
+	b	.L18
+.L17:
+	ldr	r2, [fp, #-28]
+	str	r2, [fp, #-40]
+	ldr	r3, [fp, #-40]
+	cmp	r3, #2400
+	beq	.L20
+	ldr	r3, .L23+16
+	ldr	r2, [fp, #-40]
+	cmp	r2, r3
+	beq	.L21
+	b	.L19
+.L21:
+	ldr	r2, [fp, #-20]
+	mov	r3, #0
+	str	r3, [r2, #0]
+	ldr	r2, [fp, #-16]
+	mov	r3, #3
+	str	r3, [r2, #0]
+	mov	r3, #0
+	str	r3, [fp, #-32]
+	b	.L18
+.L20:
+	ldr	r2, [fp, #-20]
+	mov	r3, #0
+	str	r3, [r2, #0]
+	ldr	r2, [fp, #-16]
+	mov	r3, #191
+	str	r3, [r2, #0]
+	mov	r2, #0
+	str	r2, [fp, #-32]
+	b	.L18
+.L19:
+	mvn	r3, #0
+	str	r3, [fp, #-32]
+.L18:
+	ldr	r3, [fp, #-32]
+	mov	r0, r3
+	sub	sp, fp, #12
+	ldmfd	sp, {fp, sp, pc}
+.L24:
+	.align	2
+.L23:
+	.word	-2138308596
+	.word	-2138308592
+	.word	-2138243060
+	.word	-2138243056
+	.word	115200
+	.size	bwsetspeed, .-bwsetspeed
+	.align	2
+	.global	bwputc
+	.type	bwputc, %function
+bwputc:
+	@ args = 0, pretend = 0, frame = 24
+	@ frame_needed = 1, uses_anonymous_args = 0
+	mov	ip, sp
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #4
+	sub	sp, sp, #24
+	str	r0, [fp, #-24]
+	mov	r3, r1
+	strb	r3, [fp, #-28]
+	ldr	r3, [fp, #-24]
+	str	r3, [fp, #-36]
+	ldr	r3, [fp, #-36]
+	cmp	r3, #0
+	beq	.L27
+	ldr	r3, [fp, #-36]
+	cmp	r3, #1
+	beq	.L28
+	b	.L26
+.L27:
+	ldr	r3, .L33
+	str	r3, [fp, #-20]
+	ldr	r3, .L33+4
+	str	r3, [fp, #-16]
+	b	.L29
+.L28:
+	ldr	r3, .L33+8
+	str	r3, [fp, #-20]
+	ldr	r3, .L33+12
+	str	r3, [fp, #-16]
+	b	.L29
+.L26:
+	mvn	r3, #0
+	str	r3, [fp, #-32]
+	b	.L30
+.L29:
+	ldr	r3, [fp, #-20]
+	ldr	r3, [r3, #0]
+	mov	r3, r3, lsr #5
+	and	r3, r3, #1
+	and	r3, r3, #255
+	cmp	r3, #0
+	bne	.L29
+	ldrb	r2, [fp, #-28]	@ zero_extendqisi2
+	ldr	r3, [fp, #-16]
+	str	r2, [r3, #0]
+	mov	r3, #0
+	str	r3, [fp, #-32]
+.L30:
+	ldr	r3, [fp, #-32]
+	mov	r0, r3
+	sub	sp, fp, #12
+	ldmfd	sp, {fp, sp, pc}
+.L34:
+	.align	2
+.L33:
+	.word	-2138308584
+	.word	-2138308608
+	.word	-2138243048
+	.word	-2138243072
+	.size	bwputc, .-bwputc
+	.align	2
+	.global	c2x
+	.type	c2x, %function
+c2x:
+	@ args = 0, pretend = 0, frame = 8
+	@ frame_needed = 1, uses_anonymous_args = 0
+	mov	ip, sp
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #4
+	sub	sp, sp, #8
+	mov	r3, r0
+	strb	r3, [fp, #-16]
+	ldrb	r3, [fp, #-16]	@ zero_extendqisi2
+	cmp	r3, #9
+	bhi	.L36
+	ldrb	r3, [fp, #-16]	@ zero_extendqisi2
+	add	r3, r3, #48
+	and	r3, r3, #255
+	and	r3, r3, #255
+	str	r3, [fp, #-20]
+	b	.L38
+.L36:
+	ldrb	r3, [fp, #-16]	@ zero_extendqisi2
+	add	r3, r3, #87
+	and	r3, r3, #255
+	and	r3, r3, #255
+	str	r3, [fp, #-20]
+.L38:
+	ldr	r3, [fp, #-20]
+	mov	r0, r3
+	sub	sp, fp, #12
+	ldmfd	sp, {fp, sp, pc}
+	.size	c2x, .-c2x
+	.align	2
+	.global	bwputx
+	.type	bwputx, %function
+bwputx:
+	@ args = 0, pretend = 0, frame = 12
+	@ frame_needed = 1, uses_anonymous_args = 0
+	mov	ip, sp
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #4
+	sub	sp, sp, #12
+	str	r0, [fp, #-20]
+	mov	r3, r1
+	strb	r3, [fp, #-24]
+	ldrb	r3, [fp, #-24]	@ zero_extendqisi2
+	mov	r3, r3, lsr #4
+	and	r3, r3, #255
+	mov	r0, r3
+	bl	c2x(PLT)
+	mov	r3, r0
+	strb	r3, [fp, #-14]
+	ldrb	r3, [fp, #-24]	@ zero_extendqisi2
+	and	r3, r3, #15
+	mov	r0, r3
+	bl	c2x(PLT)
+	mov	r3, r0
+	strb	r3, [fp, #-13]
+	ldrb	r3, [fp, #-14]	@ zero_extendqisi2
+	ldr	r0, [fp, #-20]
+	mov	r1, r3
+	bl	bwputc(PLT)
+	ldrb	r3, [fp, #-13]	@ zero_extendqisi2
+	ldr	r0, [fp, #-20]
+	mov	r1, r3
+	bl	bwputc(PLT)
+	mov	r3, r0
+	mov	r0, r3
+	sub	sp, fp, #12
+	ldmfd	sp, {fp, sp, pc}
+	.size	bwputx, .-bwputx
+	.align	2
+	.global	bwputr
+	.type	bwputr, %function
+bwputr:
+	@ args = 0, pretend = 0, frame = 16
+	@ frame_needed = 1, uses_anonymous_args = 0
+	mov	ip, sp
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #4
+	sub	sp, sp, #16
+	str	r0, [fp, #-24]
+	str	r1, [fp, #-28]
+	sub	r3, fp, #28
+	str	r3, [fp, #-16]
+	mov	r3, #3
+	str	r3, [fp, #-20]
+	b	.L43
+.L44:
+	ldr	r3, [fp, #-20]
+	mov	r2, r3
+	ldr	r3, [fp, #-16]
+	add	r3, r2, r3
+	ldrb	r3, [r3, #0]	@ zero_extendqisi2
+	ldr	r0, [fp, #-24]
+	mov	r1, r3
+	bl	bwputx(PLT)
+	ldr	r3, [fp, #-20]
+	sub	r3, r3, #1
+	str	r3, [fp, #-20]
+.L43:
+	ldr	r3, [fp, #-20]
+	cmp	r3, #0
+	bge	.L44
+	ldr	r0, [fp, #-24]
+	mov	r1, #32
+	bl	bwputc(PLT)
+	mov	r3, r0
+	mov	r0, r3
+	sub	sp, fp, #12
+	ldmfd	sp, {fp, sp, pc}
+	.size	bwputr, .-bwputr
+	.align	2
+	.global	bwputstr
+	.type	bwputstr, %function
+bwputstr:
+	@ args = 0, pretend = 0, frame = 12
+	@ frame_needed = 1, uses_anonymous_args = 0
+	mov	ip, sp
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #4
+	sub	sp, sp, #12
+	str	r0, [fp, #-16]
+	str	r1, [fp, #-20]
+	b	.L48
+.L49:
+	ldr	r3, [fp, #-20]
+	ldrb	r3, [r3, #0]	@ zero_extendqisi2
+	ldr	r0, [fp, #-16]
+	mov	r1, r3
+	bl	bwputc(PLT)
+	mov	r3, r0
+	cmp	r3, #0
+	bge	.L50
+	mvn	r3, #0
+	str	r3, [fp, #-24]
+	b	.L52
+.L50:
+	ldr	r3, [fp, #-20]
+	add	r3, r3, #1
+	str	r3, [fp, #-20]
+.L48:
+	ldr	r3, [fp, #-20]
+	ldrb	r3, [r3, #0]	@ zero_extendqisi2
+	cmp	r3, #0
+	bne	.L49
+	mov	r3, #0
+	str	r3, [fp, #-24]
+.L52:
+	ldr	r3, [fp, #-24]
+	mov	r0, r3
+	sub	sp, fp, #12
+	ldmfd	sp, {fp, sp, pc}
+	.size	bwputstr, .-bwputstr
+	.align	2
+	.global	bwputw
+	.type	bwputw, %function
+bwputw:
+	@ args = 0, pretend = 0, frame = 24
+	@ frame_needed = 1, uses_anonymous_args = 0
+	mov	ip, sp
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #4
+	sub	sp, sp, #24
+	str	r0, [fp, #-24]
+	str	r1, [fp, #-28]
+	str	r3, [fp, #-36]
+	mov	r3, r2
+	strb	r3, [fp, #-32]
+	ldr	r3, [fp, #-36]
+	str	r3, [fp, #-16]
+	b	.L56
+.L57:
+	ldr	r3, [fp, #-28]
+	sub	r3, r3, #1
+	str	r3, [fp, #-28]
+.L56:
+	ldr	r3, [fp, #-16]
+	ldrb	r3, [r3, #0]	@ zero_extendqisi2
+	cmp	r3, #0
+	moveq	r3, #0
+	movne	r3, #1
+	and	r2, r3, #255
+	ldr	r3, [fp, #-16]
+	add	r3, r3, #1
+	str	r3, [fp, #-16]
+	eor	r3, r2, #1
+	and	r3, r3, #255
+	cmp	r3, #0
+	bne	.L60
+	ldr	r3, [fp, #-28]
+	cmp	r3, #0
+	bgt	.L57
+	b	.L60
+.L61:
+	ldrb	r3, [fp, #-32]	@ zero_extendqisi2
+	ldr	r0, [fp, #-24]
+	mov	r1, r3
+	bl	bwputc(PLT)
+.L60:
+	ldr	r3, [fp, #-28]
+	cmp	r3, #0
+	movle	r3, #0
+	movgt	r3, #1
+	and	r2, r3, #255
+	ldr	r3, [fp, #-28]
+	sub	r3, r3, #1
+	str	r3, [fp, #-28]
+	cmp	r2, #0
+	bne	.L61
+	b	.L63
+.L64:
+	ldrb	r3, [fp, #-17]	@ zero_extendqisi2
+	ldr	r0, [fp, #-24]
+	mov	r1, r3
+	bl	bwputc(PLT)
+.L63:
+	ldr	r3, [fp, #-36]
+	ldrb	r3, [r3, #0]
+	strb	r3, [fp, #-17]
+	ldrb	r3, [fp, #-17]	@ zero_extendqisi2
+	cmp	r3, #0
+	moveq	r3, #0
+	movne	r3, #1
+	and	r2, r3, #255
+	ldr	r3, [fp, #-36]
+	add	r3, r3, #1
+	str	r3, [fp, #-36]
+	cmp	r2, #0
+	bne	.L64
+	sub	sp, fp, #12
+	ldmfd	sp, {fp, sp, pc}
+	.size	bwputw, .-bwputw
+	.align	2
+	.global	bwgetc
+	.type	bwgetc, %function
+bwgetc:
+	@ args = 0, pretend = 0, frame = 24
+	@ frame_needed = 1, uses_anonymous_args = 0
+	mov	ip, sp
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #4
+	sub	sp, sp, #24
+	str	r0, [fp, #-28]
+	ldr	r3, [fp, #-28]
+	str	r3, [fp, #-36]
+	ldr	r3, [fp, #-36]
+	cmp	r3, #0
+	beq	.L69
+	ldr	r3, [fp, #-36]
+	cmp	r3, #1
+	beq	.L70
+	b	.L68
+.L69:
+	ldr	r3, .L75
+	str	r3, [fp, #-24]
+	ldr	r3, .L75+4
+	str	r3, [fp, #-20]
+	b	.L71
+.L70:
+	ldr	r3, .L75+8
+	str	r3, [fp, #-24]
+	ldr	r3, .L75+12
+	str	r3, [fp, #-20]
+	b	.L71
+.L68:
+	mvn	r3, #0
+	str	r3, [fp, #-32]
+	b	.L72
+.L71:
+	ldr	r3, [fp, #-24]
+	ldr	r3, [r3, #0]
+	mov	r3, r3, lsr #6
+	and	r3, r3, #1
+	cmp	r3, #0
+	beq	.L71
+	ldr	r3, [fp, #-20]
+	ldr	r3, [r3, #0]
+	strb	r3, [fp, #-13]
+	ldrb	r3, [fp, #-13]	@ zero_extendqisi2
+	str	r3, [fp, #-32]
+.L72:
+	ldr	r3, [fp, #-32]
+	mov	r0, r3
+	sub	sp, fp, #12
+	ldmfd	sp, {fp, sp, pc}
+.L76:
+	.align	2
+.L75:
+	.word	-2138308584
+	.word	-2138308608
+	.word	-2138243048
+	.word	-2138243072
+	.size	bwgetc, .-bwgetc
+	.align	2
+	.global	bwa2d
+	.type	bwa2d, %function
+bwa2d:
+	@ args = 0, pretend = 0, frame = 8
+	@ frame_needed = 1, uses_anonymous_args = 0
+	mov	ip, sp
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #4
+	sub	sp, sp, #8
+	mov	r3, r0
+	strb	r3, [fp, #-16]
+	ldrb	r3, [fp, #-16]	@ zero_extendqisi2
+	cmp	r3, #47
+	bls	.L78
+	ldrb	r3, [fp, #-16]	@ zero_extendqisi2
+	cmp	r3, #57
+	bhi	.L78
+	ldrb	r3, [fp, #-16]	@ zero_extendqisi2
+	sub	r3, r3, #48
+	str	r3, [fp, #-20]
+	b	.L81
+.L78:
+	ldrb	r3, [fp, #-16]	@ zero_extendqisi2
+	cmp	r3, #96
+	bls	.L82
+	ldrb	r3, [fp, #-16]	@ zero_extendqisi2
+	cmp	r3, #102
+	bhi	.L82
+	ldrb	r3, [fp, #-16]	@ zero_extendqisi2
+	sub	r3, r3, #87
+	str	r3, [fp, #-20]
+	b	.L81
+.L82:
+	ldrb	r3, [fp, #-16]	@ zero_extendqisi2
+	cmp	r3, #64
+	bls	.L85
+	ldrb	r3, [fp, #-16]	@ zero_extendqisi2
+	cmp	r3, #70
+	bhi	.L85
+	ldrb	r3, [fp, #-16]	@ zero_extendqisi2
+	sub	r3, r3, #55
+	str	r3, [fp, #-20]
+	b	.L81
+.L85:
+	mvn	r3, #0
+	str	r3, [fp, #-20]
+.L81:
+	ldr	r3, [fp, #-20]
+	mov	r0, r3
+	sub	sp, fp, #12
+	ldmfd	sp, {fp, sp, pc}
+	.size	bwa2d, .-bwa2d
+	.align	2
+	.global	bwa2i
+	.type	bwa2i, %function
+bwa2i:
+	@ args = 0, pretend = 0, frame = 28
+	@ frame_needed = 1, uses_anonymous_args = 0
+	mov	ip, sp
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #4
+	sub	sp, sp, #28
+	str	r1, [fp, #-32]
+	str	r2, [fp, #-36]
+	str	r3, [fp, #-40]
+	mov	r3, r0
+	strb	r3, [fp, #-28]
+	ldr	r3, [fp, #-32]
+	ldr	r3, [r3, #0]
+	str	r3, [fp, #-16]
+	mov	r3, #0
+	str	r3, [fp, #-24]
+	b	.L90
+.L91:
+	ldr	r2, [fp, #-20]
+	ldr	r3, [fp, #-36]
+	cmp	r2, r3
+	bgt	.L92
+	ldr	r2, [fp, #-24]
+	ldr	r3, [fp, #-36]
+	mul	r2, r3, r2
+	ldr	r3, [fp, #-20]
+	add	r3, r2, r3
+	str	r3, [fp, #-24]
+	ldr	r3, [fp, #-16]
+	ldrb	r3, [r3, #0]
+	strb	r3, [fp, #-28]
+	ldr	r3, [fp, #-16]
+	add	r3, r3, #1
+	str	r3, [fp, #-16]
+.L90:
+	ldrb	r3, [fp, #-28]	@ zero_extendqisi2
+	mov	r0, r3
+	bl	bwa2d(PLT)
+	mov	r3, r0
+	str	r3, [fp, #-20]
+	ldr	r3, [fp, #-20]
+	cmp	r3, #0
+	bge	.L91
+.L92:
+	ldr	r2, [fp, #-32]
+	ldr	r3, [fp, #-16]
+	str	r3, [r2, #0]
+	ldr	r2, [fp, #-40]
+	ldr	r3, [fp, #-24]
+	str	r3, [r2, #0]
+	ldrb	r3, [fp, #-28]	@ zero_extendqisi2
+	mov	r0, r3
+	sub	sp, fp, #12
+	ldmfd	sp, {fp, sp, pc}
+	.size	bwa2i, .-bwa2i
+	.global	__udivsi3
+	.global	__umodsi3
+	.align	2
+	.global	bwui2a
+	.type	bwui2a, %function
+bwui2a:
+	@ args = 0, pretend = 0, frame = 28
+	@ frame_needed = 1, uses_anonymous_args = 0
+	mov	ip, sp
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #4
+	sub	sp, sp, #28
+	str	r0, [fp, #-28]
+	str	r1, [fp, #-32]
+	str	r2, [fp, #-36]
+	mov	r3, #0
+	str	r3, [fp, #-24]
+	mov	r3, #1
+	str	r3, [fp, #-16]
+	b	.L96
+.L97:
+	ldr	r3, [fp, #-16]
+	ldr	r2, [fp, #-32]
+	mul	r3, r2, r3
+	str	r3, [fp, #-16]
+.L96:
+	ldr	r0, [fp, #-28]
+	ldr	r1, [fp, #-16]
+	bl	__udivsi3(PLT)
+	mov	r3, r0
+	mov	r2, r3
+	ldr	r3, [fp, #-32]
+	cmp	r2, r3
+	bcs	.L97
+	b	.L109
+.L100:
+	ldr	r0, [fp, #-28]
+	ldr	r1, [fp, #-16]
+	bl	__udivsi3(PLT)
+	mov	r3, r0
+	str	r3, [fp, #-20]
+	ldr	r3, [fp, #-28]
+	mov	r0, r3
+	ldr	r1, [fp, #-16]
+	bl	__umodsi3(PLT)
+	mov	r3, r0
+	str	r3, [fp, #-28]
+	ldr	r0, [fp, #-16]
+	ldr	r1, [fp, #-32]
+	bl	__udivsi3(PLT)
+	mov	r3, r0
+	str	r3, [fp, #-16]
+	ldr	r3, [fp, #-24]
+	cmp	r3, #0
+	bne	.L101
+	ldr	r3, [fp, #-20]
+	cmp	r3, #0
+	bgt	.L101
+	ldr	r3, [fp, #-16]
+	cmp	r3, #0
+	bne	.L99
+.L101:
+	ldr	r3, [fp, #-20]
+	cmp	r3, #9
+	bgt	.L104
+	mov	r1, #48
+	str	r1, [fp, #-40]
+	b	.L106
+.L104:
+	mov	r3, #87
+	str	r3, [fp, #-40]
+.L106:
+	ldr	r3, [fp, #-20]
+	and	r3, r3, #255
+	ldr	r1, [fp, #-40]
+	mov	r2, r1
+	add	r3, r2, r3
+	and	r3, r3, #255
+	and	r3, r3, #255
+	ldr	r2, [fp, #-36]
+	strb	r3, [r2, #0]
+	ldr	r3, [fp, #-36]
+	add	r3, r3, #1
+	str	r3, [fp, #-36]
+	ldr	r3, [fp, #-24]
+	add	r3, r3, #1
+	str	r3, [fp, #-24]
+.L99:
+.L109:
+	ldr	r3, [fp, #-16]
+	cmp	r3, #0
+	bne	.L100
+	ldr	r3, [fp, #-36]
+	mov	r2, #0
+	strb	r2, [r3, #0]
+	sub	sp, fp, #12
+	ldmfd	sp, {fp, sp, pc}
+	.size	bwui2a, .-bwui2a
+	.align	2
+	.global	bwi2a
+	.type	bwi2a, %function
+bwi2a:
+	@ args = 0, pretend = 0, frame = 8
+	@ frame_needed = 1, uses_anonymous_args = 0
+	mov	ip, sp
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #4
+	sub	sp, sp, #8
+	str	r0, [fp, #-16]
+	str	r1, [fp, #-20]
+	ldr	r3, [fp, #-16]
+	cmp	r3, #0
+	bge	.L111
+	ldr	r3, [fp, #-16]
+	rsb	r3, r3, #0
+	str	r3, [fp, #-16]
+	ldr	r2, [fp, #-20]
+	mov	r3, #45
+	strb	r3, [r2, #0]
+	ldr	r3, [fp, #-20]
+	add	r3, r3, #1
+	str	r3, [fp, #-20]
+.L111:
+	ldr	r3, [fp, #-16]
+	mov	r0, r3
+	mov	r1, #10
+	ldr	r2, [fp, #-20]
+	bl	bwui2a(PLT)
+	sub	sp, fp, #12
+	ldmfd	sp, {fp, sp, pc}
+	.size	bwi2a, .-bwi2a
+	.align	2
+	.global	bwformat
+	.type	bwformat, %function
+bwformat:
+	@ args = 0, pretend = 0, frame = 40
+	@ frame_needed = 1, uses_anonymous_args = 0
+	mov	ip, sp
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #4
+	sub	sp, sp, #40
+	str	r0, [fp, #-36]
+	str	r1, [fp, #-40]
+	str	r2, [fp, #-44]
+	b	.L133
+.L116:
+	ldrb	r3, [fp, #-14]	@ zero_extendqisi2
+	cmp	r3, #37
+	beq	.L117
+	ldrb	r3, [fp, #-14]	@ zero_extendqisi2
+	ldr	r0, [fp, #-36]
+	mov	r1, r3
+	bl	bwputc(PLT)
+	b	.L115
+.L117:
+	mov	r3, #0
+	strb	r3, [fp, #-13]
+	mov	r3, #0
+	str	r3, [fp, #-32]
+	ldr	r2, [fp, #-40]
+	ldrb	r3, [r2, #0]
+	strb	r3, [fp, #-14]
+	add	r3, r2, #1
+	str	r3, [fp, #-40]
+	ldrb	r3, [fp, #-14]	@ zero_extendqisi2
+	str	r3, [fp, #-52]
+	ldr	r3, [fp, #-52]
+	cmp	r3, #48
+	beq	.L120
+	ldr	r3, [fp, #-52]
+	cmp	r3, #48
+	blt	.L119
+	ldr	r3, [fp, #-52]
+	cmp	r3, #57
+	bgt	.L119
+	b	.L121
+.L120:
+	mov	r3, #1
+	strb	r3, [fp, #-13]
+	ldr	r2, [fp, #-40]
+	ldrb	r3, [r2, #0]
+	strb	r3, [fp, #-14]
+	add	r3, r2, #1
+	str	r3, [fp, #-40]
+	b	.L119
+.L121:
+	ldrb	r3, [fp, #-14]	@ zero_extendqisi2
+	sub	r2, fp, #40
+	sub	ip, fp, #32
+	mov	r0, r3
+	mov	r1, r2
+	mov	r2, #10
+	mov	r3, ip
+	bl	bwa2i(PLT)
+	mov	r3, r0
+	strb	r3, [fp, #-14]
+.L119:
+	ldrb	r3, [fp, #-14]	@ zero_extendqisi2
+	str	r3, [fp, #-48]
+	ldr	r3, [fp, #-48]
+	cmp	r3, #115
+	beq	.L126
+	ldr	r3, [fp, #-48]
+	cmp	r3, #115
+	bgt	.L129
+	ldr	r3, [fp, #-48]
+	cmp	r3, #99
+	beq	.L124
+	ldr	r3, [fp, #-48]
+	cmp	r3, #99
+	bgt	.L130
+	ldr	r3, [fp, #-48]
+	cmp	r3, #0
+	beq	.L132
+	ldr	r3, [fp, #-48]
+	cmp	r3, #37
+	beq	.L123
+	b	.L115
+.L130:
+	ldr	r3, [fp, #-48]
+	cmp	r3, #100
+	beq	.L125
+	b	.L115
+.L129:
+	ldr	r3, [fp, #-48]
+	cmp	r3, #117
+	beq	.L127
+	ldr	r3, [fp, #-48]
+	cmp	r3, #120
+	beq	.L128
+	b	.L115
+.L124:
+	ldr	r3, [fp, #-44]
+	add	r3, r3, #4
+	str	r3, [fp, #-44]
+	ldr	r3, [fp, #-44]
+	sub	r3, r3, #4
+	ldrb	r3, [r3, #0]	@ zero_extendqisi2
+	ldr	r0, [fp, #-36]
+	mov	r1, r3
+	bl	bwputc(PLT)
+	b	.L115
+.L126:
+	ldr	r2, [fp, #-32]
+	ldr	r3, [fp, #-44]
+	add	r3, r3, #4
+	str	r3, [fp, #-44]
+	ldr	r3, [fp, #-44]
+	sub	r3, r3, #4
+	ldr	r3, [r3, #0]
+	ldr	r0, [fp, #-36]
+	mov	r1, r2
+	mov	r2, #0
+	bl	bwputw(PLT)
+	b	.L115
+.L127:
+	ldr	r3, [fp, #-44]
+	add	r3, r3, #4
+	str	r3, [fp, #-44]
+	ldr	r3, [fp, #-44]
+	sub	r3, r3, #4
+	ldr	r3, [r3, #0]
+	sub	r2, fp, #26
+	mov	r0, r3
+	mov	r1, #10
+	bl	bwui2a(PLT)
+	ldr	r3, [fp, #-32]
+	ldrb	r2, [fp, #-13]	@ zero_extendqisi2
+	sub	ip, fp, #26
+	ldr	r0, [fp, #-36]
+	mov	r1, r3
+	mov	r3, ip
+	bl	bwputw(PLT)
+	b	.L115
+.L125:
+	ldr	r3, [fp, #-44]
+	add	r3, r3, #4
+	str	r3, [fp, #-44]
+	ldr	r3, [fp, #-44]
+	sub	r3, r3, #4
+	ldr	r3, [r3, #0]
+	sub	r2, fp, #26
+	mov	r0, r3
+	mov	r1, r2
+	bl	bwi2a(PLT)
+	ldr	r3, [fp, #-32]
+	ldrb	r2, [fp, #-13]	@ zero_extendqisi2
+	sub	ip, fp, #26
+	ldr	r0, [fp, #-36]
+	mov	r1, r3
+	mov	r3, ip
+	bl	bwputw(PLT)
+	b	.L115
+.L128:
+	ldr	r3, [fp, #-44]
+	add	r3, r3, #4
+	str	r3, [fp, #-44]
+	ldr	r3, [fp, #-44]
+	sub	r3, r3, #4
+	ldr	r3, [r3, #0]
+	sub	r2, fp, #26
+	mov	r0, r3
+	mov	r1, #16
+	bl	bwui2a(PLT)
+	ldr	r3, [fp, #-32]
+	ldrb	r2, [fp, #-13]	@ zero_extendqisi2
+	sub	ip, fp, #26
+	ldr	r0, [fp, #-36]
+	mov	r1, r3
+	mov	r3, ip
+	bl	bwputw(PLT)
+	b	.L115
+.L123:
+	ldrb	r3, [fp, #-14]	@ zero_extendqisi2
+	ldr	r0, [fp, #-36]
+	mov	r1, r3
+	bl	bwputc(PLT)
+.L115:
+.L133:
+	ldr	r1, [fp, #-40]
+	ldrb	r3, [r1, #0]
+	strb	r3, [fp, #-14]
+	ldrb	r3, [fp, #-14]	@ zero_extendqisi2
+	cmp	r3, #0
+	moveq	r3, #0
+	movne	r3, #1
+	and	r2, r3, #255
+	add	r3, r1, #1
+	str	r3, [fp, #-40]
+	cmp	r2, #0
+	bne	.L116
+.L132:
+	sub	sp, fp, #12
+	ldmfd	sp, {fp, sp, pc}
+	.size	bwformat, .-bwformat
+	.align	2
+	.global	bwprintf
+	.type	bwprintf, %function
+bwprintf:
+	@ args = 4, pretend = 12, frame = 8
+	@ frame_needed = 1, uses_anonymous_args = 1
+	mov	ip, sp
+	stmfd	sp!, {r1, r2, r3}
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #16
+	sub	sp, sp, #8
+	str	r0, [fp, #-20]
+	add	r3, fp, #8
+	str	r3, [fp, #-16]
+	ldr	r0, [fp, #-20]
+	ldr	r1, [fp, #4]
+	ldr	r2, [fp, #-16]
+	bl	bwformat(PLT)
+	sub	sp, fp, #12
+	ldmfd	sp, {fp, sp, pc}
+	.size	bwprintf, .-bwprintf
+	.ident	"GCC: (GNU) 4.0.2"
diff --git a/src/scheduler.c b/src/scheduler.c
new file mode 100644
index 0000000..1b389b5
--- /dev/null
+++ b/src/scheduler.c
@@ -0,0 +1,13 @@
+#include "scheduler.h"
+
+// int schedulerInit() {
+//     return 0;
+// } // add the IDLE task with lowest priority and first USER task maybe
+
+// int pushToScheduler (KernelStruct* Colonel, TD* Task) {
+//     return 0;
+// }
+
+// TD* getNextTaskScheduler (KernelStruct* Colonel) {
+//     return NULL;
+// }
diff --git a/src/task-descriptor.c b/src/task-descriptor.c
new file mode 100644
index 0000000..43e7042
--- /dev/null
+++ b/src/task-descriptor.c
@@ -0,0 +1,14 @@
+#include "task-descriptor.h"
+
+
+//void TaskInit();
+
+int isTaskAlive(int TaskID) {
+    return 0;
+}
+
+
+
+
+
+
-- 
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