#define COMMAND_LINE_MAGIC 0x87109563
;; Exported symbols
-
- .globl _input_data
-
+ .globl input_data
+
+
.text
nop
di
;; We need to initialze DRAM registers before we start using the DRAM
-
- cmp.d RAM_INIT_MAGIC, r8 ; Already initialized?
+
+ cmp.d RAM_INIT_MAGIC, $r8 ; Already initialized?
beq dram_init_finished
nop
-
+
#include "../../lib/dram_init.S"
-
-dram_init_finished:
-
+
+dram_init_finished:
+
;; Initiate the PA and PB ports
- move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, r0
- move.b r0, [R_PORT_PA_DATA]
+ move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0
+ move.b $r0, [R_PORT_PA_DATA]
- move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, r0
- move.b r0, [R_PORT_PA_DIR]
+ move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0
+ move.b $r0, [R_PORT_PA_DIR]
- move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, r0
- move.b r0, [R_PORT_PB_DATA]
+ move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0
+ move.b $r0, [R_PORT_PB_DATA]
- move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, r0
- move.b r0, [R_PORT_PB_DIR]
+ move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0
+ move.b $r0, [R_PORT_PB_DIR]
;; Setup the stack to a suitably high address.
;; We assume 8 MB is the minimum DRAM in an eLinux
;; product and put the sp at the top for now.
- move.d 0x40800000, sp
+ move.d 0x40800000, $sp
;; Figure out where the compressed piggyback image is
;; in the flash (since we wont try to copy it to DRAM
;; before unpacking). It is at _edata, but in flash.
;; Use (_edata - basse) as offset to the current PC.
-
-basse: move.d pc, r5
- and.d 0x7fffffff, r5 ; strip any non-cache bit
- subq 2, r5 ; compensate for the move.d pc instr
- move.d r5, r0 ; save for later - flash address of 'basse'
- add.d _edata, r5
- sub.d basse, r5 ; r5 = flash address of '_edata'
-
+
+basse: move.d $pc, $r5
+ and.d 0x7fffffff, $r5 ; strip any non-cache bit
+ subq 2, $r5 ; compensate for the move.d $pc instr
+ move.d $r5, $r0 ; save for later - flash address of 'basse'
+ add.d _edata, $r5
+ sub.d basse, $r5 ; $r5 = flash address of '_edata'
+
;; Copy text+data to DRAM
-
- move.d basse, r1 ; destination
- move.d _edata, r2 ; end destination
-1: move.w [r0+], r3
- move.w r3, [r1+]
- cmp.d r2, r1
+
+ move.d basse, $r1 ; destination
+ move.d _edata, $r2 ; end destination
+1: move.w [$r0+], $r3
+ move.w $r3, [$r1+]
+ cmp.d $r2, $r1
bcs 1b
nop
- move.d r5, [_input_data] ; for the decompressor
+ move.d $r5, [input_data] ; for the decompressor
;; Clear the decompressors BSS (between _edata and _end)
-
- moveq 0, r0
- move.d _edata, r1
- move.d _end, r2
-1: move.w r0, [r1+]
- cmp.d r2, r1
+
+ moveq 0, $r0
+ move.d _edata, $r1
+ move.d _end, $r2
+1: move.w $r0, [$r1+]
+ cmp.d $r2, $r1
bcs 1b
nop
move.d $r10, [$r12]
move.d _cmd_line_addr, $r12
move.d $r11, [$r12]
-
- ;; Do the decompression and save compressed size in _inptr
- jsr _decompress_kernel
-
- ;; Put start address of root partition in r9 so the kernel can use it
+ ;; Do the decompression and save compressed size in inptr
+
+ jsr decompress_kernel
+
+ ;; Put start address of root partition in $r9 so the kernel can use it
;; when mounting from flash
- move.d [_input_data], r9 ; flash address of compressed kernel
- add.d [_inptr], r9 ; size of compressed kernel
+ move.d [input_data], $r9 ; flash address of compressed kernel
+ add.d [inptr], $r9 ; size of compressed kernel
;; Restore command line magic and address.
move.d _cmd_line_magic, $r10
move.d [$r11], $r11
;; Enter the decompressed kernel
- move.d RAM_INIT_MAGIC, r8 ; Tell kernel that DRAM is initialized
+ move.d RAM_INIT_MAGIC, $r8 ; Tell kernel that DRAM is initialized
jump 0x40004000 ; kernel is linked to this address
-
+
.data
-_input_data:
+input_data:
.dword 0 ; used by the decompressor
_cmd_line_magic:
.dword 0
#define STATIC static
void* memset(void* s, int c, size_t n);
-void* memcpy(void* __dest, __const void* __src,
- size_t __n);
+void* memcpy(void* __dest, __const void* __src, size_t __n);
#define memzero(s, n) memset ((s), 0, (n))
# define Tracecv(c,x)
#endif
-static int fill_inbuf(void);
static void flush_window(void);
static void error(char *m);
-static void gzip_mark(void **);
-static void gzip_release(void **);
extern char *input_data; /* lives in head.S */
static void *malloc(int size);
static void free(void *where);
-static void error(char *m);
static void gzip_mark(void **);
static void gzip_release(void **);
/* the "heap" is put directly after the BSS ends, at end */
-extern int end;
-static long free_mem_ptr = (long)&end;
+extern int _end;
+static long free_mem_ptr = (long)&_end;
#include "../../../../../lib/inflate.c"
char *ss = (char*)s;
for (i=0;i<n;i++) ss[i] = c;
+
+ return s;
}
void*
char *d = (char *)__dest, *s = (char *)__src;
for (i=0;i<__n;i++) d[i] = s[i];
+
+ return __dest;
}
/* ===========================================================================
while(1); /* Halt */
}
-void
-setup_normal_output_buffer()
+void setup_normal_output_buffer(void)
{
output_data = (char *)KERNEL_LOAD_ADR;
}
-void
-decompress_kernel()
+void decompress_kernel(void)
{
char revision;
makecrc();
- __asm__ volatile ("move vr,%0" : "=rm" (revision));
+ __asm__ volatile ("move $vr,%0" : "=rm" (revision));
if (revision < 10)
{
puts("You need an ETRAX 100LX to run linux 2.6\n");
git://bbs.cooldavid.org / net-next-2.6.git / commitdiff