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* stk500v2_private.h (struct pdata): add boot_start 

* stk500v2.c: For the "flash" pseudo-memory of Xmega devices,
distinguish addresses between "application" and "boot" area.




git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@1081 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Joerg Wunsch 2012-04-19 13:32:34 +00:00
parent c1a5d32c87
commit f4db29d983
3 changed files with 66 additions and 14 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
2012-04-19 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
* stk500v2_private.h (struct pdata): add boot_start
* stk500v2.c: For the "flash" pseudo-memory of Xmega devices,
distinguish addresses between "application" and "boot" area.
2012-04-18 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
* fileio.c (elf2b): When checking the bounds of the current

63
stk500v2.c
View File

@ -289,6 +289,7 @@ void stk500v2_setup(PROGRAMMER * pgm)
}
memset(pgm->cookie, 0, sizeof(struct pdata));
PDATA(pgm)->command_sequence = 1;
PDATA(pgm)->boot_start = ULONG_MAX;
}
static void stk500v2_jtagmkII_setup(PROGRAMMER * pgm)
@ -1095,6 +1096,21 @@ static int stk500v2_initialize(PROGRAMMER * pgm, AVRPART * p)
* This is an ATxmega device, must use XPROG protocol for the
* remaining actions.
*/
if ((p->flags & AVRPART_HAS_PDI) != 0) {
/*
* Find out where the border between application and boot area
* is.
*/
AVRMEM *bootmem = avr_locate_mem(p, "boot");
AVRMEM *flashmem = avr_locate_mem(p, "flash");
if (bootmem == NULL || flashmem == NULL) {
fprintf(stderr,
"%s: stk500v2_initialize(): Cannot locate \"flash\" and \"boot\" memories in description\n",
progname);
} else {
PDATA(pgm)->boot_start = bootmem->offset - flashmem->offset;
}
}
stk600_setup_xprog(pgm);
} else {
stk600_setup_isp(pgm);
@ -3144,6 +3160,15 @@ static int stk600_xprog_program_enable(PROGRAMMER * pgm, AVRPART * p)
return 0;
}
static unsigned char stk600_xprog_memtype(PROGRAMMER * pgm, unsigned long addr)
{
if (addr >= PDATA(pgm)->boot_start)
return XPRG_MEM_TYPE_BOOT;
else
return XPRG_MEM_TYPE_APPL;
}
static void stk600_xprog_disable(PROGRAMMER * pgm)
{
unsigned char buf[2];
@ -3166,8 +3191,9 @@ static int stk600_xprog_write_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
memset(b, 0, sizeof(b));
if (strcmp(mem->desc, "flash") == 0 ||
strcmp(mem->desc, "application") == 0 ||
if (strcmp(mem->desc, "flash") == 0) {
memcode = stk600_xprog_memtype(pgm, addr);
} else if (strcmp(mem->desc, "application") == 0 ||
strcmp(mem->desc, "apptable") == 0) {
memcode = XPRG_MEM_TYPE_APPL;
} else if (strcmp(mem->desc, "boot") == 0) {
@ -3244,8 +3270,9 @@ static int stk600_xprog_read_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
{
unsigned char b[8];
if (strcmp(mem->desc, "flash") == 0 ||
strcmp(mem->desc, "application") == 0 ||
if (strcmp(mem->desc, "flash") == 0) {
b[1] = stk600_xprog_memtype(pgm, addr);
} else if (strcmp(mem->desc, "application") == 0 ||
strcmp(mem->desc, "apptable") == 0) {
b[1] = XPRG_MEM_TYPE_APPL;
} else if (strcmp(mem->desc, "boot") == 0) {
@ -3295,7 +3322,7 @@ static int stk600_xprog_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
unsigned char *b;
unsigned int offset;
unsigned char memtype;
int n_bytes_orig = n_bytes;
int n_bytes_orig = n_bytes, dynamic_memtype = 0;
unsigned long use_ext_addr = 0;
/*
@ -3310,8 +3337,12 @@ static int stk600_xprog_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
* This is probably what AVR079 means when writing about the
* "TIF address space".
*/
if (strcmp(mem->desc, "flash") == 0 ||
strcmp(mem->desc, "application") == 0 ||
if (strcmp(mem->desc, "flash") == 0) {
memtype = 0;
dynamic_memtype = 1;
if (mem->size > 64 * 1024)
use_ext_addr = (1UL << 31);
} else if (strcmp(mem->desc, "application") == 0 ||
strcmp(mem->desc, "apptable") == 0) {
memtype = XPRG_MEM_TYPE_APPL;
if (mem->size > 64 * 1024)
@ -3356,6 +3387,9 @@ static int stk600_xprog_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
}
while (n_bytes != 0) {
if (dynamic_memtype)
memtype = stk600_xprog_memtype(pgm, addr - mem->offset);
b[0] = XPRG_CMD_READ_MEM;
b[1] = memtype;
b[2] = addr >> 24;
@ -3391,7 +3425,7 @@ static int stk600_xprog_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
unsigned char *b;
unsigned int offset;
unsigned char memtype;
int n_bytes_orig = n_bytes;
int n_bytes_orig = n_bytes, dynamic_memtype = 0;
size_t writesize;
unsigned long use_ext_addr = 0;
unsigned char writemode;
@ -3412,8 +3446,13 @@ static int stk600_xprog_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
* This is probably what AVR079 means when writing about the
* "TIF address space".
*/
if (strcmp(mem->desc, "flash") == 0 ||
strcmp(mem->desc, "application") == 0 ||
if (strcmp(mem->desc, "flash") == 0) {
memtype = 0;
dynamic_memtype = 1;
writemode = (1 << XPRG_MEM_WRITE_WRITE);
if (mem->size > 64 * 1024)
use_ext_addr = (1UL << 31);
} else if (strcmp(mem->desc, "application") == 0 ||
strcmp(mem->desc, "apptable") == 0) {
memtype = XPRG_MEM_TYPE_APPL;
writemode = (1 << XPRG_MEM_WRITE_WRITE);
@ -3466,6 +3505,10 @@ static int stk600_xprog_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
}
while (n_bytes != 0) {
if (dynamic_memtype)
memtype = stk600_xprog_memtype(pgm, addr - mem->offset);
if (page_size > 256) {
/*
* AVR079 is not quite clear. While it suggests that

3
stk500v2_private.h
View File

@ -312,6 +312,9 @@ struct pdata
AVRPART *lastpart;
/* Start address of Xmega boot area */
unsigned long boot_start;
/*
* Chained pdata for the JTAG ICE mkII backend. This is used when
* calling the backend functions for ISP/HVSP/PP programming