// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
// Copyright (C) 2002, 2003, 2004 Gary Thomas
+// Copyright (C) 2004 eCosCentric Limited
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
#endif
#endif
#include <cyg/infra/cyg_ass.h> // assertion macros
+#ifdef CYGBLD_REDBOOT_LOAD_INTO_FLASH
+#include <cyg/io/flash.h>
+#include "flash_load.h"
+#endif
static char usage[] = "[-r] [-v] [-z to swap endianness on 16 bit] "
#ifdef CYGBLD_BUILD_REDBOOT_WITH_ZLIB
"[-m <varies>] "
#if CYGNUM_HAL_VIRTUAL_VECTOR_NUM_CHANNELS > 1
"[-c <channel_number>] "
+#endif
+#ifdef CYGBLD_REDBOOT_LOAD_INTO_FLASH
+ "[-f <flash_address>] "
#endif
"\n [-b <base_address>] <file_name>";
// Buffers, data used by redboot_getc
#define BUF_SIZE CYGNUM_REDBOOT_GETC_BUFFER
struct {
- getc_io_funcs_t *io;
- int (*fun)(char *, int len, int *err);
- unsigned char buf[BUF_SIZE];
- unsigned char *bufp;
- int avail, len, err;
- int verbose, decompress, tick;
+ getc_io_funcs_t *io;
+ int (*fun)(void *, int len, int *err);
+ unsigned char buf[BUF_SIZE];
+ unsigned char *bufp;
+ int avail, len, err;
+ int verbose, decompress, tick;
#ifdef CYGBLD_BUILD_REDBOOT_WITH_ZLIB
- int (*raw_fun)(char *, int len, int *err);
- _pipe_t load_pipe;
- unsigned char _buffer[CYGNUM_REDBOOT_LOAD_ZLIB_BUFFER];
+ int (*raw_fun)(void *, int len, int *err);
+ _pipe_t load_pipe;
+ unsigned char _buffer[CYGNUM_REDBOOT_LOAD_ZLIB_BUFFER];
#endif
} getc_info;
static int
redboot_getc(void)
{
- static char spin[] = "|/-\\|-";
- if (getc_info.avail < 0) {
- return -1;
- }
- if (getc_info.avail == 0) {
- if (getc_info.verbose) {
- diag_printf("%c\b", spin[getc_info.tick++]);
- if (getc_info.tick >= sizeof(spin)) {
- getc_info.tick = 0;
- }
- }
- if (getc_info.len < BUF_SIZE) {
- // No more data available
- if (getc_info.verbose) diag_printf("\n");
- return -1;
- }
- getc_info.bufp = getc_info.buf;
- getc_info.len = (*getc_info.fun)(getc_info.bufp, BUF_SIZE, &getc_info.err);
- if ((getc_info.avail = getc_info.len) <= 0) {
- if (getc_info.len < 0) {
- diag_printf("I/O error: %s\n", (getc_info.io->error)(getc_info.err));
- }
- if (getc_info.verbose) diag_printf("\n");
- return -1;
- }
- }
- getc_info.avail--;
- return *getc_info.bufp++;
+ static char spin[] = "|/-\\|-";
+ if (getc_info.avail < 0) {
+ return -1;
+ }
+ if (getc_info.avail == 0) {
+ if (getc_info.verbose) {
+ err_printf("%c\b", spin[getc_info.tick++]);
+ if (getc_info.tick >= sizeof(spin)) {
+ getc_info.tick = 0;
+ }
+ }
+ if (getc_info.len < BUF_SIZE) {
+ // No more data available
+ if (getc_info.verbose) diag_printf("\n");
+ return -1;
+ }
+ getc_info.bufp = getc_info.buf;
+ getc_info.len = (*getc_info.fun)(getc_info.bufp, BUF_SIZE, &getc_info.err);
+ if ((getc_info.avail = getc_info.len) <= 0) {
+ if (getc_info.len < 0) {
+ diag_printf("I/O error: %s\n", (getc_info.io->error)(getc_info.err));
+ }
+ if (getc_info.verbose) diag_printf("\n");
+ return -1;
+ }
+ }
+ getc_info.avail--;
+ return *getc_info.bufp++;
}
#ifdef CYGBLD_BUILD_REDBOOT_WITH_ZLIB
// Called to fetch a new chunk of data and decompress it
//
static int
-_decompress_stream(char *buf, int len, int *err)
+_decompress_stream(void *buf, int len, int *err)
{
- _pipe_t* p = &getc_info.load_pipe;
- int res, total;
-
- total = 0;
- while (len > 0) {
- if (p->in_avail == 0) {
- p->in_buf = &getc_info._buffer[0];
- res = (*getc_info.raw_fun)(p->in_buf, CYGNUM_REDBOOT_LOAD_ZLIB_BUFFER,
- &getc_info.err);
- if ((p->in_avail = res) <= 0) {
- // No more data
- return total;
- }
- }
- p->out_buf = buf;
- p->out_size = 0;
- p->out_max = len;
- res = (*_dc_inflate)(p);
- if (res != 0) {
- *err = res;
- return total;
- }
- len -= p->out_size;
- buf += p->out_size;
- total += p->out_size;
- }
- return total;
+ _pipe_t *p = &getc_info.load_pipe;
+ int res, total;
+
+ total = 0;
+ while (len > 0) {
+ if (p->in_avail == 0) {
+ p->in_buf = &getc_info._buffer[0];
+ res = (*getc_info.raw_fun)(p->in_buf, CYGNUM_REDBOOT_LOAD_ZLIB_BUFFER,
+ &getc_info.err);
+ if ((p->in_avail = res) <= 0) {
+ // No more data
+ return total;
+ }
+ }
+ p->out_buf = buf;
+ p->out_size = 0;
+ p->out_max = len;
+ res = (*_dc_inflate)(p);
+ if (res != 0) {
+ *err = res;
+ return total;
+ }
+ len -= p->out_size;
+ buf = (char *)buf + p->out_size;
+ total += p->out_size;
+ }
+ return total;
}
#endif
redboot_getc_init(connection_info_t *info, getc_io_funcs_t *funcs,
int verbose, int decompress)
{
- int res;
-
- res = (funcs->open)(info, &getc_info.err);
- if (res < 0) {
- diag_printf("Can't load '%s': %s\n", info->filename, (funcs->error)(getc_info.err));
- return res;
- }
- getc_info.io = funcs;
- getc_info.fun = funcs->read;
- getc_info.avail = 0;
- getc_info.len = BUF_SIZE;
- getc_info.verbose = verbose;
- getc_info.decompress = decompress;
- getc_info.tick = 0;
+ int res;
+
+ res = (funcs->open)(info, &getc_info.err);
+ if (res < 0) {
+ err_printf("Can't load '%s': %s\n", info->filename, (funcs->error)(getc_info.err));
+ return res;
+ }
+ getc_info.io = funcs;
+ getc_info.fun = funcs->read;
+ getc_info.avail = 0;
+ getc_info.len = BUF_SIZE;
+ getc_info.verbose = verbose;
+ getc_info.decompress = decompress;
+ getc_info.tick = 0;
#ifdef CYGBLD_BUILD_REDBOOT_WITH_ZLIB
- if (decompress) {
- _pipe_t* p = &getc_info.load_pipe;
- p->out_buf = &getc_info.buf[0];
- p->out_size = 0;
- p->in_avail = 0;
- getc_info.raw_fun = getc_info.fun;
- getc_info.fun = _decompress_stream;
- getc_info.err = (*_dc_init)(p);
- if (0 != getc_info.err && p->msg) {
- diag_printf("open decompression error: %s\n", p->msg);
- }
- }
-#endif
- return 0;
+ if (decompress) {
+ _pipe_t *p = &getc_info.load_pipe;
+ p->out_buf = &getc_info.buf[0];
+ p->out_size = 0;
+ p->in_avail = 0;
+ getc_info.raw_fun = getc_info.fun;
+ getc_info.fun = _decompress_stream;
+ getc_info.err = (*_dc_init)(p);
+ if (0 != getc_info.err && p->msg) {
+ err_printf("open decompression error: %s\n", p->msg);
+ }
+ }
+#endif
+ return 0;
}
static void
redboot_getc_rewind(void)
{
- getc_info.bufp = getc_info.buf;
- getc_info.avail = getc_info.len;
+ getc_info.bufp = getc_info.buf;
+ getc_info.avail = getc_info.len;
}
static void
redboot_getc_terminate(bool abort)
{
- if (getc_info.io->terminate) {
- (getc_info.io->terminate)(abort, redboot_getc);
- }
+ if (getc_info.io->terminate) {
+ (getc_info.io->terminate)(abort, redboot_getc);
+ }
}
static void
redboot_getc_close(void)
{
- (getc_info.io->close)(&getc_info.err);
+ (getc_info.io->close)(&getc_info.err);
#ifdef CYGBLD_BUILD_REDBOOT_WITH_ZLIB
- if (getc_info.decompress) {
- _pipe_t* p = &getc_info.load_pipe;
- int err = getc_info.err;
- if (0 != err && p->msg) {
- diag_printf("decompression error: %s\n", p->msg);
- }
- err = (*_dc_close)(p, getc_info.err);
- }
+ if (getc_info.decompress) {
+ _pipe_t *p = &getc_info.load_pipe;
+ int err = getc_info.err;
+ if (0 != err && p->msg) {
+ diag_printf("decompression error: %s\n", p->msg);
+ }
+ err = (*_dc_close)(p, getc_info.err);
+ }
#endif
}
static int
_read(int (*getc)(void), unsigned char *buf, int len)
{
- int total = 0;
- int ch;
- while (len-- > 0) {
- ch = (*getc)();
- if (ch < 0) {
- // EOF or error
- break;
- }
- *buf++ = ch;
- total++;
- }
- return total;
+ int total = 0;
+ int ch;
+ while (len-- > 0) {
+ ch = (*getc)();
+ if (ch < 0) {
+ // EOF or error
+ break;
+ }
+ *buf++ = ch;
+ total++;
+ }
+ return total;
}
#endif
load_elf_image(getc_t getc, unsigned long base, bool swap16bit)
{
#ifdef CYGSEM_REDBOOT_ELF
- Elf32_Ehdr ehdr;
+ Elf32_Ehdr ehdr;
#define MAX_PHDR 8
- Elf32_Phdr phdr[MAX_PHDR];
- unsigned long offset = 0;
- int phx, len, ch;
- unsigned char *addr, *addr_swap;
- unsigned long addr_offset = 0;
- unsigned long highest_address = 0;
- unsigned long lowest_address = 0xFFFFFFFF;
- unsigned char *SHORT_DATA = "Short data reading ELF file\n";
-
- // Read the header
- if (_read(getc, (unsigned char *)&ehdr, sizeof(ehdr)) != sizeof(ehdr)) {
- diag_printf("Can't read ELF header\n");
- redboot_getc_terminate(true);
- return 0;
- }
- offset += sizeof(ehdr);
+ Elf32_Phdr phdr[MAX_PHDR];
+ unsigned long offset = 0;
+ int phx, len, ch;
+ unsigned char *addr, *addr_swap;
+ unsigned long addr_offset = 0;
+ unsigned long highest_address = 0;
+ unsigned long lowest_address = 0xFFFFFFFF;
+ const char *SHORT_DATA = "Short data reading ELF file\n";
+
+ // Read the header
+ if (_read(getc, (unsigned char *)&ehdr, sizeof(ehdr)) != sizeof(ehdr)) {
+ err_printf("Can't read ELF header\n");
+ redboot_getc_terminate(true);
+ return 0;
+ }
+ offset += sizeof(ehdr);
#if 0 // DEBUG
- diag_printf("Type: %d, Machine: %d, Version: %d, Entry: %p, PHoff: %p/%d/%d, SHoff: %p/%d/%d\n",
- ehdr.e_type, ehdr.e_machine, ehdr.e_version, ehdr.e_entry,
- ehdr.e_phoff, ehdr.e_phentsize, ehdr.e_phnum,
- ehdr.e_shoff, ehdr.e_shentsize, ehdr.e_shnum);
-#endif
- if (ehdr.e_type != ET_EXEC) {
- diag_printf("Only absolute ELF images supported\n");
- redboot_getc_terminate(true);
- return 0;
- }
- if (ehdr.e_phnum > MAX_PHDR) {
- diag_printf("Too many program headers\n");
- redboot_getc_terminate(true);
- return 0;
- }
- while (offset < ehdr.e_phoff) {
- if ((*getc)() < 0) {
- diag_printf(SHORT_DATA);
- redboot_getc_terminate(true);
- return 0;
- }
- offset++;
- }
- for (phx = 0; phx < ehdr.e_phnum; phx++) {
- if (_read(getc, (unsigned char *)&phdr[phx], sizeof(phdr[0])) != sizeof(phdr[0])) {
- diag_printf("Can't read ELF program header\n");
- redboot_getc_terminate(true);
- return 0;
- }
+ diag_printf("Type: %d, Machine: %d, Version: %d, Entry: %p, PHoff: %p/%d/%d, SHoff: %p/%d/%d\n",
+ ehdr.e_type, ehdr.e_machine, ehdr.e_version, ehdr.e_entry,
+ ehdr.e_phoff, ehdr.e_phentsize, ehdr.e_phnum,
+ ehdr.e_shoff, ehdr.e_shentsize, ehdr.e_shnum);
+#endif
+ if (ehdr.e_type != ET_EXEC) {
+ err_printf("Only absolute ELF images supported\n");
+ redboot_getc_terminate(true);
+ return 0;
+ }
+ if (ehdr.e_phnum > MAX_PHDR) {
+ err_printf("Too many program headers\n");
+ redboot_getc_terminate(true);
+ return 0;
+ }
+ while (offset < ehdr.e_phoff) {
+ if ((*getc)() < 0) {
+ err_printf(SHORT_DATA);
+ redboot_getc_terminate(true);
+ return 0;
+ }
+ offset++;
+ }
+ for (phx = 0; phx < ehdr.e_phnum; phx++) {
+ if (_read(getc, (unsigned char *)&phdr[phx], sizeof(phdr[0])) != sizeof(phdr[0])) {
+ err_printf("Can't read ELF program header\n");
+ redboot_getc_terminate(true);
+ return 0;
+ }
#if 0 // DEBUG
- diag_printf("Program header: type: %d, off: %p, va: %p, pa: %p, len: %d/%d, flags: %d\n",
- phdr[phx].p_type, phdr[phx].p_offset, phdr[phx].p_vaddr, phdr[phx].p_paddr,
- phdr[phx].p_filesz, phdr[phx].p_memsz, phdr[phx].p_flags);
-#endif
- offset += sizeof(phdr[0]);
- }
- if (base) {
- // Set address offset based on lowest address in file.
- addr_offset = 0xFFFFFFFF;
- for (phx = 0; phx < ehdr.e_phnum; phx++) {
-#ifdef CYGOPT_REDBOOT_ELF_VIRTUAL_ADDRESS
- if ((phdr[phx].p_type == PT_LOAD) && (phdr[phx].p_vaddr < addr_offset)) {
- addr_offset = phdr[phx].p_vaddr;
+ diag_printf("Program header: type: %d, off: %p, va: %p, pa: %p, len: %d/%d, flags: %d\n",
+ phdr[phx].p_type, phdr[phx].p_offset, phdr[phx].p_vaddr, phdr[phx].p_paddr,
+ phdr[phx].p_filesz, phdr[phx].p_memsz, phdr[phx].p_flags);
+#endif
+ offset += sizeof(phdr[0]);
+ }
+ if (base) {
+ // Set address offset based on lowest address in file.
+ addr_offset = 0xFFFFFFFF;
+ for (phx = 0; phx < ehdr.e_phnum; phx++) {
+#ifdef CYGOPT_REDBOOT_ELF_VIRTUAL_ADDRESS
+ if ((phdr[phx].p_type == PT_LOAD) && (phdr[phx].p_vaddr < addr_offset)) {
+ addr_offset = phdr[phx].p_vaddr;
#else
- if ((phdr[phx].p_type == PT_LOAD) && (phdr[phx].p_paddr < addr_offset)) {
- addr_offset = phdr[phx].p_paddr;
-#endif
- }
- }
- addr_offset = (unsigned long)base - addr_offset;
- } else {
- addr_offset = 0;
- }
- for (phx = 0; phx < ehdr.e_phnum; phx++) {
- if (phdr[phx].p_type == PT_LOAD) {
- // Loadable segment
+ if ((phdr[phx].p_type == PT_LOAD) && (phdr[phx].p_paddr < addr_offset)) {
+ addr_offset = phdr[phx].p_paddr;
+#endif
+ }
+ }
+ addr_offset = (unsigned long)base - addr_offset;
+ } else {
+ addr_offset = 0;
+ }
+ for (phx = 0; phx < ehdr.e_phnum; phx++) {
+ if (phdr[phx].p_type == PT_LOAD) {
+ // Loadable segment
#ifdef CYGOPT_REDBOOT_ELF_VIRTUAL_ADDRESS
- addr = (unsigned char *)phdr[phx].p_vaddr;
-#else
- addr = (unsigned char *)phdr[phx].p_paddr;
-#endif
- len = phdr[phx].p_filesz;
- if ((unsigned long)addr < lowest_address) {
- lowest_address = (unsigned long)addr;
- }
- addr += addr_offset;
- if (offset > phdr[phx].p_offset) {
- if ((phdr[phx].p_offset + len) < offset) {
- diag_printf("Can't load ELF file - program headers out of order\n");
- redboot_getc_terminate(true);
- return 0;
- }
- addr += offset - phdr[phx].p_offset;
- } else {
- while (offset < phdr[phx].p_offset) {
- if ((*getc)() < 0) {
- diag_printf(SHORT_DATA);
- redboot_getc_terminate(true);
- return 0;
- }
- offset++;
- }
- }
-
- // Copy data into memory
- while (len-- > 0) {
+ addr = (unsigned char *)phdr[phx].p_vaddr;
+#else
+ addr = (unsigned char *)phdr[phx].p_paddr;
+#endif
+ len = phdr[phx].p_filesz;
+ if ((unsigned long)addr < lowest_address) {
+ lowest_address = (unsigned long)addr;
+ }
+ addr += addr_offset;
+ if (offset > phdr[phx].p_offset) {
+ if ((phdr[phx].p_offset + len) < offset) {
+ err_printf("Can't load ELF file - program headers out of order\n");
+ redboot_getc_terminate(true);
+ return 0;
+ }
+ addr += offset - phdr[phx].p_offset;
+ } else {
+ while (offset < phdr[phx].p_offset) {
+ if ((*getc)() < 0) {
+ err_printf(SHORT_DATA);
+ redboot_getc_terminate(true);
+ return 0;
+ }
+ offset++;
+ }
+ }
+
+ // Copy data into memory
+ while (len-- > 0) {
+#ifdef CYGSEM_REDBOOT_VALIDATE_USER_RAM_LOADS
+ if (!(valid_address(addr)
+#ifdef CYGBLD_REDBOOT_LOAD_INTO_FLASH
+ || (flash_verify_addr(addr) == FLASH_ERR_OK)
+#endif
+ )) {
+ redboot_getc_terminate(true);
+ err_printf("*** Abort! Attempt to load ELF data to address: %p which is not valid\n",
+ (void*)addr);
+ return 0;
+ }
+#endif
+ if ((ch = (*getc)()) < 0) {
+ err_printf(SHORT_DATA);
+ redboot_getc_terminate(true);
+ return 0;
+ }
+
+ /* In case of multicore and the core we wanna load the image for is not in the same endianness
+ that the core we run redboot from, have to invert bytes on 16-bit boundary (16-bit memory)*/
+ if (swap16bit) {
+ // addr is even, have to write char data to the last address
+ if (((unsigned long)addr) % 2) {
+ addr_swap = addr - 1;
+ *addr_swap = ch;
+ } else {
+ // addr is odd, have to write char data to the next address
+ addr_swap = addr + 1;
+ *addr_swap = ch;
+ }
+ addr++;
+ }
+ else {
#ifdef CYGSEM_REDBOOT_VALIDATE_USER_RAM_LOADS
- if (!valid_address(addr)) {
- redboot_getc_terminate(true);
- diag_printf("*** Abort! Attempt to load ELF data to address: %p which is not in RAM\n", (void*)addr);
- return 0;
- }
-#endif
- if ((ch = (*getc)()) < 0) {
- diag_printf(SHORT_DATA);
- redboot_getc_terminate(true);
- return 0;
- }
-
- /* In case of multicore and the core we wanna load the image for is not in the same endianness
- that the core we run redboot from, have to invert bytes on 16-bit boundary (16-bit memory)*/
- if(swap16bit){
- // addr is even, have to write char data to the last address
- if(((unsigned long)addr)%2){
- addr_swap=addr-1;
- *addr_swap = ch;
- }
- // addr is odd, have to write char data to the next address
- else{
- addr_swap=addr+1;
- *addr_swap = ch;
- }
- addr++;
- }
- else {
- *addr++ = ch;
- }
- offset++;
- if ((unsigned long)(addr-addr_offset) > highest_address) {
- highest_address = (unsigned long)(addr - addr_offset);
- }
- }
- }
- }
-
- // Save load base/top and entry
- if (base) {
- load_address = base;
- load_address_end = base + (highest_address - lowest_address);
- entry_address = base + (ehdr.e_entry - lowest_address);
- } else {
- load_address = lowest_address;
- load_address_end = highest_address;
- entry_address = ehdr.e_entry;
- }
-
- // nak everything to stop the transfer, since redboot
- // usually doesn't read all the way to the end of the
- // elf files.
- redboot_getc_terminate(true);
- if (addr_offset) diag_printf("Address offset = %p\n", (void *)addr_offset);
- diag_printf("Entry point: %p, address range: %p-%p\n",
- (void*)entry_address, (void *)load_address, (void *)load_address_end);
- return 1;
+ if (valid_address(addr))
+#endif
+ *addr++ = ch;
+
+#ifdef CYGBLD_REDBOOT_LOAD_INTO_FLASH
+ else {
+ flash_load_write(addr, ch);
+ addr++;
+ }
+#endif
+ }
+ offset++;
+ if ((unsigned long)(addr-addr_offset) > highest_address) {
+ highest_address = (unsigned long)(addr - addr_offset);
+ }
+ }
+ }
+ }
+
+ // Save load base/top and entry
+ if (base) {
+ load_address = base;
+ load_address_end = base + (highest_address - lowest_address);
+ entry_address = base + (ehdr.e_entry - lowest_address);
+ } else {
+ load_address = lowest_address;
+ load_address_end = highest_address;
+ entry_address = ehdr.e_entry;
+ }
+
+ // nak everything to stop the transfer, since redboot
+ // usually doesn't read all the way to the end of the
+ // elf files.
+ redboot_getc_terminate(true);
+ if (addr_offset) diag_printf("Address offset = %p\n", (void *)addr_offset);
+ diag_printf("Entry point: %p, address range: %p-%p\n",
+ (void*)entry_address, (void *)load_address, (void *)load_address_end);
+ return 1;
#else // CYGSEM_REDBOOT_ELF
- diag_printf("Loading ELF images not supported\n");
- return 0;
+ err_printf("Loading ELF images not supported\n");
+ return 0;
#endif // CYGSEM_REDBOOT_ELF
}
-
//
// Scan a string of hex bytes and update the checksum
//
static long
_hex2(int (*getc)(void), int len, long *sum)
{
- int val, byte;
- char c1, c2;
-
- val = 0;
- while (len-- > 0) {
- c1 = (*getc)();
- c2 = (*getc)();
- if (_is_hex(c1) && _is_hex(c2)) {
- val <<= 8;
- byte = (_from_hex(c1)<<4) | _from_hex(c2);
- val |= byte;
- if (sum) {
- *sum += byte;
- }
- } else {
- return (-1);
- }
- }
- return (val);
+ int val, byte;
+ char c1, c2;
+
+ val = 0;
+ while (len-- > 0) {
+ c1 = getc();
+ c2 = getc();
+ if (_is_hex(c1) && _is_hex(c2)) {
+ val <<= 8;
+ byte = (_from_hex(c1) << 4) | _from_hex(c2);
+ val |= byte;
+ if (sum) {
+ *sum += byte;
+ }
+ } else {
+ return -1;
+ }
+ }
+ return val;
}
//
static unsigned long
load_srec_image(getc_t getc, unsigned long base, bool swap16bit)
{
- int c;
- long offset = 0, count, sum, val, cksum;
- unsigned char *addr, *base_addr, *addr_swap;
- char type;
- bool first_addr = true;
- unsigned long addr_offset = 0;
- unsigned long highest_address = 0;
- unsigned long lowest_address = 0xFFFFFFFF;
-
- while ((c = (*getc)()) > 0) {
- // Start of line
- if (c != 'S') {
- redboot_getc_terminate(true);
- diag_printf("Invalid S-record at offset %p, input: %c\n",
- (void *)offset, c);
- return 0;
- }
- type = (*getc)();
- offset += 2;
- sum = 0;
- if ((count = _hex2(getc, 1, &sum)) < 0) {
- redboot_getc_terminate(true);
- diag_printf("Bad S-record count at offset %p\n", (void *)offset);
- return 0;
- }
- offset += 1;
- switch (type) {
- case '0':
- break;
- case '1':
- case '2':
- case '3':
- base_addr = addr = (unsigned char *)_hex2(getc, (type-'1'+2), &sum);
- offset += (type-'1'+2);
- if (first_addr) {
- if (base) {
- addr_offset = (unsigned long)base - (unsigned long)addr;
- } else {
- addr_offset = 0;
- }
- first_addr = false;
- }
- addr += addr_offset;
- if ((unsigned long)(addr-addr_offset) < lowest_address) {
- lowest_address = (unsigned long)(addr - addr_offset);
- }
+ int c;
+ long offset = 0, count, sum, val, cksum;
+ unsigned char *addr, *base_addr, *addr_swap;
+ char type;
+ bool first_addr = true;
+ unsigned long addr_offset = 0;
+ unsigned long highest_address = 0;
+ unsigned long lowest_address = 0xFFFFFFFF;
+
+ while ((c = (*getc)()) > 0) {
+ // Start of line
+ if (c != 'S') {
+ redboot_getc_terminate(true);
+ err_printf("Invalid S-record at offset %p, input: %c\n",
+ (void *)offset, c);
+ return 0;
+ }
+ type = (*getc)();
+ offset += 2;
+ sum = 0;
+ if ((count = _hex2(getc, 1, &sum)) < 0) {
+ redboot_getc_terminate(true);
+ err_printf("Bad S-record count at offset %p\n", (void *)offset);
+ return 0;
+ }
+ offset += 1;
+ switch (type) {
+ case '0':
+ break;
+ case '1':
+ case '2':
+ case '3':
+ base_addr = addr = (unsigned char *)_hex2(getc, type - '1' + 2, &sum);
+ offset += type - '1' + 2;
+ if (first_addr) {
+ if (base) {
+ addr_offset = (unsigned long)base - (unsigned long)addr;
+ } else {
+ addr_offset = 0;
+ }
+ first_addr = false;
+ }
+ addr += addr_offset;
+ if ((unsigned long)(addr-addr_offset) < lowest_address) {
+ lowest_address = (unsigned long)(addr - addr_offset);
+ }
#ifdef CYGSEM_REDBOOT_VALIDATE_USER_RAM_LOADS
- if (!valid_address(addr)) {
- // Only if there is no need to stop the download before printing
- // output can we ask confirmation questions.
- redboot_getc_terminate(true);
- diag_printf("*** Abort! Attempt to load S-record to address: %p, which is not in RAM\n",(void*)addr);
- return 0;
- }
-#endif
- count -= ((type-'1'+2)+1);
- offset += count;
- while (count-- > 0) {
- val = _hex2(getc, 1, &sum);
- /* In case of multicore and the core we wanna load the image for is not in the same endianness
- that the core we run redboot from, have to invert bytes on 16-bit boundary (16-bit memory)*/
- if(swap16bit){
- // addr is even, have to write char data to the last address
- if(((unsigned long)addr)%2){
- addr_swap=addr-1;
- *addr_swap = val;
- }
- // addr is odd, have to write char data to the next address
- else{
- addr_swap=addr+1;
- *addr_swap = val;
- }
- addr++;
- }
- else {
- *addr++ = val;
- }
- }
- cksum = _hex2(getc, 1, 0);
- offset += 1;
- sum = sum & 0xFF;
- cksum = (~cksum & 0xFF);
- if (cksum != sum) {
- redboot_getc_terminate(true);
- diag_printf("*** Warning! Checksum failure - Addr: %lx, %02lX <> %02lX\n",
- (unsigned long)base_addr, sum, cksum);
- return 0;
- }
- if ((unsigned long)(addr-addr_offset) > highest_address) {
- highest_address = (unsigned long)(addr - addr_offset);
- }
- break;
- case '7':
- case '8':
- case '9':
- addr = (unsigned char *)_hex2(getc, ('9'-type+2), &sum);
- offset += ('9'-type+2);
- // Save load base/top, entry address
- if (base) {
- load_address = base;
- load_address_end = base + (highest_address - lowest_address);
- entry_address = (unsigned long)(base + (addr - lowest_address));
- } else {
- load_address = lowest_address;
- load_address_end = highest_address;
- entry_address = (unsigned long)addr;
- }
- redboot_getc_terminate(false);
- if (addr_offset) diag_printf("Address offset = %p\n", (void *)addr_offset);
- diag_printf("Entry point: %p, address range: %p-%p\n",
- (void*)entry_address, (void *)load_address, (void *)load_address_end);
-
- return load_address_end;
- default:
- redboot_getc_terminate(true);
- diag_printf("Invalid S-record at offset 0x%lx, type: %x\n",
- (unsigned long)offset, type);
- return 0;
- }
- while ((c = (*getc)()) != '\n') offset++;
- }
- return 0;
+ if (!(valid_address(addr)
+#ifdef CYGBLD_REDBOOT_LOAD_INTO_FLASH
+ || (flash_verify_addr(addr) == FLASH_ERR_OK)
+#endif
+ )) {
+ // Only if there is no need to stop the download before printing
+ // output can we ask confirmation questions.
+ redboot_getc_terminate(true);
+ err_printf("*** Abort! Attempt to load S-record to address: %p, which is not valid\n",(void*)addr);
+ return 0;
+ }
+#endif
+ count -= type - '1' + 2 + 1;
+ offset += count;
+ while (count-- > 0) {
+ val = _hex2(getc, 1, &sum);
+ /* In case of multicore and the core we wanna load the image for is not in the same endianness
+ that the core we run redboot from, have to invert bytes on 16-bit boundary (16-bit memory)*/
+ if (swap16bit) {
+ // addr is even, have to write char data to the last address
+ if (((unsigned long)addr) % 2) {
+ addr_swap = addr - 1;
+ *addr_swap = val;
+ } else {
+ // addr is odd, have to write char data to the next address
+ addr_swap = addr + 1;
+ *addr_swap = val;
+ }
+ addr++;
+ } else {
+#ifdef CYGSEM_REDBOOT_VALIDATE_USER_RAM_LOADS
+ if (valid_address(addr))
+#endif
+ *addr++ = val;
+
+#ifdef CYGBLD_REDBOOT_LOAD_INTO_FLASH
+ else {
+ flash_load_write(addr, val);
+ addr++;
+ }
+#endif
+ }
+ }
+ cksum = _hex2(getc, 1, 0);
+ offset += 1;
+ sum = sum & 0xFF;
+ cksum = ~cksum & 0xFF;
+ if (cksum != sum) {
+ redboot_getc_terminate(true);
+ err_printf("*** Warning! Checksum failure - Addr: %lx, %02lX <> %02lX\n",
+ (unsigned long)base_addr, sum, cksum);
+ return 0;
+ }
+ if ((unsigned long)(addr-addr_offset) > highest_address) {
+ highest_address = (unsigned long)(addr - addr_offset);
+ }
+ break;
+ case '7':
+ case '8':
+ case '9':
+ addr = (unsigned char *)_hex2(getc, '9' - type + 2, &sum);
+ offset += '9' - type + 2;
+ // Save load base/top, entry address
+ if (base) {
+ load_address = base;
+ load_address_end = base + (highest_address - lowest_address);
+ entry_address = (unsigned long)(base + (addr - lowest_address));
+ } else {
+ load_address = lowest_address;
+ load_address_end = highest_address;
+ entry_address = (unsigned long)addr;
+ }
+ redboot_getc_terminate(false);
+ if (addr_offset) diag_printf("Address offset = %p\n", (void *)addr_offset);
+ diag_printf("Entry point: %p, address range: %p-%p\n",
+ (void*)entry_address, (void *)load_address, (void *)load_address_end);
+
+ return load_address_end;
+ default:
+ redboot_getc_terminate(true);
+ err_printf("Invalid S-record at offset 0x%lx, type: %x\n",
+ (unsigned long)offset, type);
+ return 0;
+ }
+ while ((c = getc()) != '\n') offset++;
+ }
+ return 0;
}
//
#ifdef CYGBLD_BUILD_REDBOOT_WITH_ZLIB
// -d - Decompress data [packed via 'zlib']
#endif
+#ifdef CYGBLD_REDBOOT_LOAD_INTO_FLASH
+// -f - specify a flash address
+#endif
//
void
do_load(int argc, char *argv[])
{
- int res, num_options;
- int i, err;
- bool verbose, raw, swap16bit;
- bool base_addr_set, mode_str_set;
- char *mode_str;
+ int res, num_options;
+ int i, err;
+ bool verbose, raw, swap16bit;
+ bool base_addr_set, mode_str_set;
+ char *mode_str;
#ifdef CYGPKG_REDBOOT_NETWORKING
- struct sockaddr_in host;
- bool hostname_set, port_set;
- unsigned int port; // int because it's an OPTION_ARG_TYPE_NUM,
+ struct sockaddr_in host;
+ bool hostname_set, port_set;
+ unsigned int port; // int because it's an OPTION_ARG_TYPE_NUM,
// but will be cast to short
- char *hostname;
+ char *hostname;
+#endif
+#ifdef CYGBLD_REDBOOT_LOAD_INTO_FLASH
+ bool flash_addr_set = false;
#endif
- bool decompress = false;
- int chan = -1;
+ bool decompress = false;
+ int chan = -1;
#if CYGNUM_HAL_VIRTUAL_VECTOR_NUM_CHANNELS > 1
- bool chan_set;
-#endif
- unsigned long base = 0;
- unsigned long end = 0;
- char type[4];
- char *filename = 0;
- struct option_info opts[9];
- connection_info_t info;
- getc_io_funcs_t *io = NULL;
- struct load_io_entry *io_tab;
+ bool chan_set;
+#endif
+ unsigned long base = 0;
+ unsigned long end = 0;
+ char type[4];
+ char *filename = 0;
+ struct option_info opts[9];
+ connection_info_t info;
+ getc_io_funcs_t *io = NULL;
+ struct load_io_entry *io_tab;
#ifdef CYGSEM_REDBOOT_VALIDATE_USER_RAM_LOADS
- bool spillover_ok = false;
+ bool spillover_ok = false;
#endif
#ifdef CYGPKG_REDBOOT_NETWORKING
- memset((char *)&host, 0, sizeof(host));
- host.sin_len = sizeof(host);
- host.sin_family = AF_INET;
- host.sin_addr = my_bootp_info.bp_siaddr;
- host.sin_port = 0;
-#endif
-
- init_opts(&opts[0], 'v', false, OPTION_ARG_TYPE_FLG,
- (void *)&verbose, 0, "verbose");
- init_opts(&opts[1], 'r', false, OPTION_ARG_TYPE_FLG,
- (void *)&raw, 0, "load raw data");
- init_opts(&opts[2], 'b', true, OPTION_ARG_TYPE_NUM,
- (void *)&base, (bool *)&base_addr_set, "load address");
- init_opts(&opts[3], 'm', true, OPTION_ARG_TYPE_STR,
- (void *)&mode_str, (bool *)&mode_str_set, "download mode (TFTP, xyzMODEM, or disk)");
- init_opts(&opts[4], 'z', false, OPTION_ARG_TYPE_FLG,
- (void *)&swap16bit, 0, "swap endianness on 16 bit");
- num_options = 5;
+ memset((char *)&host, 0, sizeof(host));
+ host.sin_len = sizeof(host);
+ host.sin_family = AF_INET;
+ host.sin_addr = my_bootp_info.bp_siaddr;
+ host.sin_port = 0;
+#endif
+
+ init_opts(&opts[0], 'v', false, OPTION_ARG_TYPE_FLG,
+ (void *)&verbose, 0, "verbose");
+ init_opts(&opts[1], 'r', false, OPTION_ARG_TYPE_FLG,
+ (void *)&raw, 0, "load raw data");
+ init_opts(&opts[2], 'b', true, OPTION_ARG_TYPE_NUM,
+ (void *)&base, (bool *)&base_addr_set, "load address");
+ init_opts(&opts[3], 'm', true, OPTION_ARG_TYPE_STR,
+ (void *)&mode_str, (bool *)&mode_str_set, "download mode (TFTP, xyzMODEM, or disk)");
+ init_opts(&opts[4], 'z', false, OPTION_ARG_TYPE_FLG,
+ (void *)&swap16bit, 0, "swap endianness on 16 bit");
+ num_options = 5;
#if CYGNUM_HAL_VIRTUAL_VECTOR_NUM_CHANNELS > 1
- init_opts(&opts[num_options], 'c', true, OPTION_ARG_TYPE_NUM,
- (void *)&chan, (bool *)&chan_set, "I/O channel");
- num_options++;
+ init_opts(&opts[num_options], 'c', true, OPTION_ARG_TYPE_NUM,
+ (void *)&chan, (bool *)&chan_set, "I/O channel");
+ num_options++;
#endif
#ifdef CYGPKG_REDBOOT_NETWORKING
- init_opts(&opts[num_options], 'h', true, OPTION_ARG_TYPE_STR,
- (void *)&hostname, (bool *)&hostname_set, "host name or IP address");
- num_options++;
- init_opts(&opts[num_options], 'p', true, OPTION_ARG_TYPE_NUM,
- (void *)&port, (bool *)&port_set, "TCP port");
- num_options++;
+ init_opts(&opts[num_options], 'h', true, OPTION_ARG_TYPE_STR,
+ (void *)&hostname, (bool *)&hostname_set, "host name or IP address");
+ num_options++;
+ init_opts(&opts[num_options], 'p', true, OPTION_ARG_TYPE_NUM,
+ (void *)&port, (bool *)&port_set, "TCP port");
+ num_options++;
#endif
#ifdef CYGBLD_BUILD_REDBOOT_WITH_ZLIB
- init_opts(&opts[num_options], 'd', false, OPTION_ARG_TYPE_FLG,
- (void *)&decompress, 0, "decompress");
- num_options++;
+ init_opts(&opts[num_options], 'd', false, OPTION_ARG_TYPE_FLG,
+ (void *)&decompress, 0, "decompress");
+ num_options++;
#endif
-
- CYG_ASSERT(num_options <= NUM_ELEMS(opts), "Too many options");
+#ifdef CYGBLD_REDBOOT_LOAD_INTO_FLASH
+ init_opts(&opts[num_options], 'f', true, OPTION_ARG_TYPE_NUM,
+ (void *)&base, (bool *)&flash_addr_set, "flash address");
+ num_options++;
+#endif
+ CYG_ASSERT(num_options <= NUM_ELEMS(opts), "Too many options");
- if (!scan_opts(argc, argv, 1, opts, num_options,
- (void *)&filename, OPTION_ARG_TYPE_STR, "file name")) {
- return;
- }
+ if (!scan_opts(argc, argv, 1, opts, num_options,
+ (void *)&filename, OPTION_ARG_TYPE_STR, "file name")) {
+ return;
+ }
+
+ /* make sure any future go/exec's will fail until a successful upload */
+ entry_address = (unsigned long)NO_MEMORY;
+
#ifdef CYGPKG_REDBOOT_NETWORKING
- if (hostname_set) {
- ip_route_t rt;
- if (!_gethostbyname(hostname, (in_addr_t *)&host)) {
- diag_printf("Invalid host: %s\n", hostname);
- return;
- }
- /* check that the host can be accessed */
- if (__arp_lookup((ip_addr_t *)&host.sin_addr, &rt) < 0) {
- diag_printf("Unable to reach host %s (%s)\n",
- hostname, inet_ntoa((in_addr_t *)&host));
- return;
- }
- }
- if (port_set)
- host.sin_port = port;
-#endif
- if (chan >= CYGNUM_HAL_VIRTUAL_VECTOR_NUM_CHANNELS) {
- diag_printf("Invalid I/O channel: %d\n", chan);
- return;
- }
- if (mode_str_set) {
- for (io_tab = __RedBoot_LOAD_TAB__;
- io_tab != &__RedBoot_LOAD_TAB_END__; io_tab++) {
- if (strncasecmp(&mode_str[0], io_tab->name, strlen(&mode_str[0])) == 0) {
- io = io_tab->funcs;
- break;
- }
- }
- if (!io) {
- diag_printf("Invalid 'mode': %s. Valid modes are:", mode_str);
- for (io_tab = __RedBoot_LOAD_TAB__;
- io_tab != &__RedBoot_LOAD_TAB_END__; io_tab++) {
- diag_printf(" %s", io_tab->name);
- }
- diag_printf("\n");
- }
- if (!io) {
- return;
- }
- verbose &= io_tab->can_verbose;
- if (io_tab->need_filename && !filename) {
- diag_printf("File name required\n");
- diag_printf("usage: load %s\n", usage);
- return;
- }
- } else {
- char *which;
- io_tab = (struct load_io_entry *)NULL; // Default
+ if (hostname_set) {
+ ip_route_t rt;
+ if (!_gethostbyname(hostname, (in_addr_t *)&host)) {
+ err_printf("Invalid host: %s\n", hostname);
+ return;
+ }
+ /* check that the host can be accessed */
+ if (__arp_lookup((ip_addr_t *)&host.sin_addr, &rt) < 0) {
+ err_printf("Unable to reach host %s (%s)\n",
+ hostname, inet_ntoa((in_addr_t *)&host));
+ return;
+ }
+ }
+ if (port_set)
+ host.sin_port = port;
+#endif
+ if (chan >= CYGNUM_HAL_VIRTUAL_VECTOR_NUM_CHANNELS) {
+ err_printf("Invalid I/O channel: %d\n", chan);
+ return;
+ }
+ if (mode_str_set) {
+ for (io_tab = __RedBoot_LOAD_TAB__;
+ io_tab != &__RedBoot_LOAD_TAB_END__; io_tab++) {
+ if (strncasecmp(&mode_str[0], io_tab->name, strlen(&mode_str[0])) == 0) {
+ io = io_tab->funcs;
+ break;
+ }
+ }
+ if (!io) {
+ diag_printf("Invalid 'mode': %s. Valid modes are:", mode_str);
+ for (io_tab = __RedBoot_LOAD_TAB__;
+ io_tab != &__RedBoot_LOAD_TAB_END__; io_tab++) {
+ diag_printf(" %s", io_tab->name);
+ }
+ err_printf("\n");
+ }
+ if (!io) {
+ return;
+ }
+ verbose &= io_tab->can_verbose;
+ if (io_tab->need_filename && !filename) {
+ diag_printf("File name required\n");
+ err_printf("usage: load %s\n", usage);
+ return;
+ }
+ } else {
+ char *which = "";
+ io_tab = (struct load_io_entry *)NULL; // Default
#ifdef CYGPKG_REDBOOT_NETWORKING
#ifdef CYGSEM_REDBOOT_NET_TFTP_DOWNLOAD
- which = "TFTP";
- io = &tftp_io;
+ which = "TFTP";
+ io = &tftp_io;
#elif defined(CYGSEM_REDBOOT_NET_HTTP_DOWNLOAD)
- which = "HTTP";
- io = &http_io;
+ which = "HTTP";
+ io = &http_io;
#endif
#endif
-#ifdef CYGPKG_REDBOOT_FILEIO
- // Make file I/O default if mounted
- if (fileio_mounted) {
- which = "file";
- io = &fileio_io;
- }
+#if 0 //def CYGPKG_REDBOOT_FILEIO
+ // Make file I/O default if mounted
+ if (fileio_mounted) {
+ which = "file";
+ io = &fileio_io;
+ }
#endif
- if (!io) {
+ if (!io) {
#ifdef CYGBLD_BUILD_REDBOOT_WITH_XYZMODEM
- which = "Xmodem";
- io = &xyzModem_io;
- verbose = false;
+ which = "Xmodem";
+ io = &xyzModem_io;
+ verbose = false;
#else
- diag_printf("No default protocol!\n");
- return;
+ err_printf("No default protocol!\n");
+ return;
#endif
- }
- diag_printf("Using default protocol (%s)\n", which);
- }
+ }
+ diag_printf("Using default protocol (%s)\n", which);
+ }
#ifdef CYGSEM_REDBOOT_VALIDATE_USER_RAM_LOADS
- if (base_addr_set && !valid_address((unsigned char *)base)) {
- if (!verify_action("Specified address (%p) is not believed to be in RAM", (void*)base))
- return;
- spillover_ok = true;
- }
-#endif
- if (raw && !base_addr_set) {
- diag_printf("Raw load requires a memory address\n");
- return;
- }
- info.filename = filename;
- info.chan = chan;
- info.mode = io_tab ? io_tab->mode : 0;
+#ifdef CYGBLD_REDBOOT_LOAD_INTO_FLASH
+ if (flash_addr_set && flash_verify_addr((unsigned char *)base)) {
+ if (!verify_action("Specified address (%p) is not believed to be in FLASH", (void*)base))
+ return;
+ spillover_ok = true;
+ }
+#endif
+ if (base_addr_set && !valid_address((unsigned char *)base)) {
+ if (!verify_action("Specified address (%p) is not believed to be in RAM", (void*)base))
+ return;
+ spillover_ok = true;
+ }
+#endif
+ if (raw && !(base_addr_set
+#ifdef CYGBLD_REDBOOT_LOAD_INTO_FLASH
+ || flash_addr_set
+#endif
+ )) {
+ err_printf("Raw load requires a memory address\n");
+ return;
+ }
+ info.filename = filename;
+ info.chan = chan;
+ info.mode = io_tab ? io_tab->mode : 0;
#ifdef CYGPKG_REDBOOT_NETWORKING
- info.server = &host;
-#endif
- res = redboot_getc_init(&info, io, verbose, decompress);
- if (res < 0) {
- return;
- }
-
- // Stream open, process the data
- if (raw) {
- unsigned char *mp = (unsigned char *)base;
- unsigned char *addr_swap;
- err = 0;
- while ((res = redboot_getc()) >= 0) {
+ info.server = &host;
+#endif
+ res = redboot_getc_init(&info, io, verbose, decompress);
+ if (res < 0) {
+ return;
+ }
+#ifdef CYGBLD_REDBOOT_LOAD_INTO_FLASH
+ flash_load_start();
+#endif
+ // Stream open, process the data
+ if (raw) {
+ unsigned char *mp = (unsigned char *)base;
+ unsigned char *addr_swap;
+ err = 0;
+ load_address = base;
+ while ((res = redboot_getc()) >= 0) {
#ifdef CYGSEM_REDBOOT_VALIDATE_USER_RAM_LOADS
- if (!valid_address(mp) && !spillover_ok) {
- // Only if there is no need to stop the download
- // before printing output can we ask confirmation
- // questions.
- redboot_getc_terminate(true);
- diag_printf("*** Abort! RAW data spills over limit of user RAM at %p\n",(void*)mp);
- err = -1;
- break;
- }
-#endif
-
- /* In case of multicore and the core we wanna load the image for is not in the same endianness
- that the core we run redboot from, have to invert bytes on 16-bit boundary (16-bit memory)*/
- if(swap16bit){
- // addr is even, have to write char data to the last address
- if(((unsigned long)mp)%2){
- addr_swap=mp-1;
- *addr_swap = res;
- }
- // addr is odd, have to write char data to the next address
- else{
- addr_swap=mp+1;
- *addr_swap = res;
- }
- mp++;
- }
- else {
- *mp++ = res;
- }
- }
- end = (unsigned long) mp;
-
- // Save load base/top
- load_address = base;
- load_address_end = end;
- entry_address = base; // best guess
-
- redboot_getc_terminate(false);
- if (0 == err)
- diag_printf("Raw file loaded %p-%p, assumed entry at %p\n",
- (void *)base, (void *)(end - 1), (void*)base);
- } else {
- // Read initial header - to determine file [image] type
- for (i = 0; i < sizeof(type); i++) {
- if ((res = redboot_getc()) < 0) {
- err = getc_info.err;
- break;
- }
- type[i] = res;
- }
- if (res >= 0) {
- redboot_getc_rewind(); // Restore header to stream
- // Treat data as some sort of executable image
- if (strncmp(&type[1], "ELF", 3) == 0) {
- if(swap16bit) {
- end = load_elf_image(redboot_getc, base, true);
- }
- else {
- end = load_elf_image(redboot_getc, base, false);
- }
- } else if ((type[0] == 'S') &&
- ((type[1] >= '0') && (type[1] <= '9'))) {
- if(swap16bit) {
- end = load_srec_image(redboot_getc, base, true);
- }
- else {
- end = load_srec_image(redboot_getc, base, false);
- }
- } else {
- redboot_getc_terminate(true);
- diag_printf("Unrecognized image type: 0x%lx\n", *(unsigned long *)type);
- }
- }
- }
-
- redboot_getc_close(); // Clean up
- return;
+#ifdef CYGBLD_REDBOOT_LOAD_INTO_FLASH
+ if (flash_addr_set && flash_verify_addr(mp) && !spillover_ok) {
+ // Only if there is no need to stop the download
+ // before printing output can we ask confirmation
+ // questions.
+ redboot_getc_terminate(true);
+ err_printf("*** Abort! RAW data spills over limit of FLASH at %p\n",(void*)mp);
+ err = -1;
+ break;
+ }
+#endif
+ if (base_addr_set && !valid_address(mp) && !spillover_ok) {
+ // Only if there is no need to stop the download
+ // before printing output can we ask confirmation
+ // questions.
+ redboot_getc_terminate(true);
+ err_printf("*** Abort! RAW data spills over limit of user RAM at %p\n",(void*)mp);
+ err = -1;
+ break;
+ }
+#endif
+
+ /* In case of multicore and the core we wanna load the image for is not in the same endianness
+ that the core we run redboot from, have to invert bytes on 16-bit boundary (16-bit memory)*/
+ if (swap16bit) {
+ // addr is even, have to write char data to the last address
+ if (((unsigned long)mp) % 2) {
+ addr_swap=mp-1;
+ *addr_swap = res;
+ } else {
+ // addr is odd, have to write char data to the next address
+ addr_swap = mp + 1;
+ *addr_swap = res;
+ }
+ mp++;
+ } else {
+#ifdef CYGBLD_REDBOOT_LOAD_INTO_FLASH
+ if (flash_addr_set) {
+ flash_load_write(mp, res);
+ mp++;
+ res++;
+ } else
+#endif
+ *mp++ = res;
+ }
+ }
+ end = (unsigned long) mp;
+
+ // Save load base/top
+
+ load_address_end = end;
+ entry_address = base; // best guess
+
+ redboot_getc_terminate(false);
+ if (0 == err)
+ diag_printf("Raw file loaded %p-%p, assumed entry at %p\n",
+ (void *)load_address, (void *)(load_address_end - 1), (void*)entry_address);
+ } else {
+ // Read initial header - to determine file [image] type
+ for (i = 0; i < sizeof(type); i++) {
+ if ((res = redboot_getc()) < 0) {
+ err = getc_info.err;
+ break;
+ }
+ type[i] = res;
+ }
+ if (res >= 0) {
+ redboot_getc_rewind(); // Restore header to stream
+ // Treat data as some sort of executable image
+ if (strncmp(&type[1], "ELF", 3) == 0) {
+ if (swap16bit) {
+ end = load_elf_image(redboot_getc, base, true);
+ } else {
+ end = load_elf_image(redboot_getc, base, false);
+ }
+ } else if ((type[0] == 'S') &&
+ ((type[1] >= '0') && (type[1] <= '9'))) {
+ if (swap16bit) {
+ end = load_srec_image(redboot_getc, base, true);
+ } else {
+ end = load_srec_image(redboot_getc, base, false);
+ }
+ } else {
+ redboot_getc_terminate(true);
+ err_printf("Unrecognized image type: 0x%lx\n", *(unsigned long *)type);
+ }
+ }
+ }
+#ifdef CYGBLD_REDBOOT_LOAD_INTO_FLASH
+ flash_load_finish();
+#endif
+
+ redboot_getc_close(); // Clean up
+ return;
}
projects / karo-tx-redboot.git / blobdiff