Monolithic CILO - removed the second stage loader.

second/Makefile

@@ -1,48 +0,0 @@
-
-# Configuration for the Cisco 3620 Router
-TARGET=c3620
-MACHCODE=0x1e
-TEXTADDR=0x80008000
-
-# additional CFLAGS
-CFLAGS=
-
-# don't modify anything below here
-# ===================================================================
-
-PROG = ciscoload
-
-# check if the CROSS_COMPILE export has been set
-ifndef CROSS_COMPILE
-CROSS_COMPILE = mips-elf-
-endif
-
-CC=$(CROSS_COMPILE)gcc
-AR=$(CROSS_COMPILE)ar
-LD=$(CROSS_COMPILE)ld
-OBJCOPY=$(CROSS_COMPILE)objcopy
-
-INCLUDE=-I../include
-
-CFLAGS=$(INCLUDE) -fno-builtin -fomit-frame-pointer -fno-pic -mno-abicalls -Wall
-
-ASFLAGS=-D__ASSEMBLY__ -xassembler-with-cpp -traditional-cpp
-
-LDFLAGS= -nostartfiles -nostdlib --discard-all --strip-all --omagic \
-	-Ttext ${TEXTADDR} --entry _start
-
-OBJECTS = kcopy.o 
-
-all: ${OBJECTS} ${PROG}
-
-${PROG}: ${OBJECTS}
-	${CC} ${LDFLAGS} ${OBJECTS} -o ${PROG}.elf
-	${OBJCOPY} -O binary ${PROG}.elf ${PROG}.two 
-
-.S.o:
-	${CC} ${CFLAGS} ${ASFLAGS} -c $<
-
-clean:
-	rm *.o
-	rm ${PROG}.elf
-	rm ${PROG}.two

second/kcopy.S

@@ -1,77 +0,0 @@
-/* Re-copy kernel image from given offset in a0 (length a1), and then
- * jump to entry point contained in a2. Copies data to location pointed
- * to in a3
- * void kload(memory_start, memory_length, entry_point, copy_start)
- * Very naive.
- * ------------------------------------------------------------------
- * (c) 2008 Philippe Vachon <philippe@cowpig.ca>
- * Licensed under the GNU General Public License v3. See COPYING in the
- * source distribution for more details.
- */
-
-#include <asm/mipsregs.h>
-#include <asm/regdef.h>
-#include <asm/asm.h>
-
-#define KSEG0       0x80000000
-#define CACHE_SIZE  0x4000
-
-#define ICACHE_INVALIDATE               0x00
-#define DCACHE_WRITEBACK_INVALIDATE     0x01
-
-#define CACHE_LINE_LEN          0x4
-
-EXPORT(_start)
-
-LEAF(_start)
-    .set noreorder
-    .set mips3
-
-    /* invalidate the caches */
-    li k0, KSEG0
-    addi k1, k0, CACHE_SIZE
-
-2:  cache ICACHE_INVALIDATE, 0(k0)
-    cache DCACHE_WRITEBACK_INVALIDATE, 0(k0)
-
-    ble k0, k1, 2b
-     addi k0, CACHE_LINE_LEN
-
-
-1:  lw s0, 0(a0)   # load byte from address pointed to in a0 
-    sw s0, 0(a3)    # copy byte to address pointed to in a3
-
-    addiu a0, 4     # next location to read from
-    addiu a3, 4     # next location to write to
-
-    bnez a1, 1b     # continue copying
-     addi a1, -4     # subtract from remaining bytes to copy
-
-    nop
-    
-    /* put the stack pointer up at top of memory */
-    li a0, 4
-    syscall
-    nop
-
-    li sp, KSEG0
-    add sp, sp, v0
-    
-    /* set SR(BEV) = 0 */
-    mfc0 k0, CP0_STATUS
-    nop 
-    /* fix... me... please */
-    li k1, 0xFFBFFFFF
-    and k0, k1
-    mtc0 k0, CP0_STATUS
-
-    /* jump to the kernel, setting up the firmware args appropriately */
-    move a0, v0
-    li a1, KSEG0
-    li a3, 0
-    li v0, 0
-
-    jr a2           # jump to kernel entry point
-     nop
-
-    END(_start)