Am 23.08.2011 17:12 schrieb Stefan Tauner:
compile tested with gcc 4.4.5 and clang 2.8
I agree with the idea and support it. However, I don't know how supportable this is on 16 bit platforms with 16 bit int. We need at least 24 bits to handle flash addresses, and we could either create a new typedef chipoffset_t or specify uint32_t explicitly. I favor a new typedef because it will make auditing easier if we ever run on 16 bit programmers.
Signed-off-by: Stefan Tauner stefan.tauner@student.tuwien.ac.at
A comment about the typedef idea would be appreciated. Anyway, this is (even if you reject the explicit type idea) Acked-by: Carl-Daniel Hailfinger c-d.hailfinger.devel.2006@gmx.net
Regards, Carl-Daniel
On Tue, 13 Sep 2011 23:10:08 +0200 Carl-Daniel Hailfinger c-d.hailfinger.devel.2006@gmx.net wrote:
Am 23.08.2011 17:12 schrieb Stefan Tauner:
compile tested with gcc 4.4.5 and clang 2.8
I agree with the idea and support it. However, I don't know how supportable this is on 16 bit platforms with 16 bit int.
jup, "int" is a bad choice for anything but trivial counters etc. imho.
We need at least 24 bits to handle flash addresses,
with hardware sequencing we need at least 25 bits (hwseq can address up to 2 flash chips seamlessly).
and we could either create a new typedef chipoffset_t or specify uint32_t explicitly. I favor a new typedef because it will make auditing easier if we ever run on 16 bit programmers.
introducing new types is certainly an option imo. but i think they should be used sparely and have good names (yes, a long discussing AGAIN :P). what about chip offset differences for example (i guess they are needed somewhere... and maybe even in a signed version)? in general i think the flash offset/address/size is the best candidate for a new type and i would be in favor of using typedef instead of other declarations of it (macros, oral/written human readable rules or whatever).
Signed-off-by: Stefan Tauner stefan.tauner@student.tuwien.ac.at
A comment about the typedef idea would be appreciated. Anyway, this is (even if you reject the explicit type idea) Acked-by: Carl-Daniel Hailfinger c-d.hailfinger.devel.2006@gmx.net
ok, thanks! i'll wait a few days before (rebasing and) committing, because it touches so much and someone may wanna postpone it for some reason... if you want it in sooner please say so (on IRC).
On Tue, 13 Sep 2011 23:10:08 +0200 Carl-Daniel Hailfinger c-d.hailfinger.devel.2006@gmx.net wrote:
Am 23.08.2011 17:12 schrieb Stefan Tauner:
compile tested with gcc 4.4.5 and clang 2.8
I agree with the idea and support it. However, I don't know how supportable this is on 16 bit platforms with 16 bit int. We need at least 24 bits to handle flash addresses, and we could either create a new typedef chipoffset_t or specify uint32_t explicitly. I favor a new typedef because it will make auditing easier if we ever run on 16 bit programmers.
Signed-off-by: Stefan Tauner stefan.tauner@student.tuwien.ac.at
A comment about the typedef idea would be appreciated. Anyway, this is (even if you reject the explicit type idea) Acked-by: Carl-Daniel Hailfinger c-d.hailfinger.devel.2006@gmx.net
thanks, committed in r1448.
Push those changes forward where needed to prevent new sign conversion warnings where possible.
---
this is a crude rework of the reverted patch. i have tried to push unsignedness wherever possible, but there are some problems: ffs, min, max and some library/system calls require signed ints or return them or both.
Signed-off-by: Stefan Tauner stefan.tauner@student.tuwien.ac.at --- 82802ab.c | 2 +- buspirate_spi.c | 3 ++- chipdrivers.h | 28 ++++++++++++++-------------- dediprog.c | 20 ++++++++++---------- dummyflasher.c | 26 +++++++++++++------------- flash.h | 20 +++++++++++--------- flashrom.c | 27 +++++++++++++++------------ ft2232_spi.c | 19 ++++++++++--------- it87spi.c | 15 ++++++++------- jedec.c | 26 +++++++++++++------------- linux_spi.c | 16 ++++++++-------- m29f400bt.c | 2 +- pm49fl00x.c | 6 +++--- programmer.h | 14 +++++++------- serprog.c | 11 +++++------ spi.c | 14 +++++++------- spi25.c | 27 +++++++++++++-------------- sst28sf040.c | 2 +- sst49lfxxxc.c | 2 +- w39.c | 12 ++++++------ wbsio_spi.c | 4 ++-- 21 files changed, 151 insertions(+), 145 deletions(-)
diff --git a/82802ab.c b/82802ab.c index ff2f535..8f671c9 100644 --- a/82802ab.c +++ b/82802ab.c @@ -141,7 +141,7 @@ int erase_block_82802ab(struct flashchip *flash, unsigned int page, }
/* chunksize is 1 */ -int write_82802ab(struct flashchip *flash, uint8_t *src, int start, int len) +int write_82802ab(struct flashchip *flash, uint8_t *src, unsigned int start, unsigned int len) { int i; chipaddr dst = flash->virtual_memory + start; diff --git a/buspirate_spi.c b/buspirate_spi.c index a556185..fd06b59 100644 --- a/buspirate_spi.c +++ b/buspirate_spi.c @@ -295,7 +295,8 @@ static int buspirate_spi_send_command(unsigned int writecnt, unsigned int readcn const unsigned char *writearr, unsigned char *readarr) { static unsigned char *buf = NULL; - int i = 0, ret = 0; + unsigned int i = 0; + int ret = 0;
if (writecnt > 16 || readcnt > 16 || (readcnt + writecnt) > 16) return SPI_INVALID_LENGTH; diff --git a/chipdrivers.h b/chipdrivers.h index 958c59a..42df4c7 100644 --- a/chipdrivers.h +++ b/chipdrivers.h @@ -41,9 +41,9 @@ int spi_block_erase_d7(struct flashchip *flash, unsigned int addr, unsigned int int spi_block_erase_d8(struct flashchip *flash, unsigned int addr, unsigned int blocklen); int spi_block_erase_60(struct flashchip *flash, unsigned int addr, unsigned int blocklen); int spi_block_erase_c7(struct flashchip *flash, unsigned int addr, unsigned int blocklen); -int spi_chip_write_1(struct flashchip *flash, uint8_t *buf, int start, int len); -int spi_chip_write_256(struct flashchip *flash, uint8_t *buf, int start, int len); -int spi_chip_read(struct flashchip *flash, uint8_t *buf, int start, int len); +int spi_chip_write_1(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len); +int spi_chip_write_256(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len); +int spi_chip_read(struct flashchip *flash, uint8_t *buf, unsigned int start, int unsigned len); uint8_t spi_read_status_register(void); int spi_write_status_register(struct flashchip *flash, int status); void spi_prettyprint_status_register_bit(uint8_t status, int bit); @@ -51,12 +51,12 @@ void spi_prettyprint_status_register_bp3210(uint8_t status, int bp); void spi_prettyprint_status_register_welwip(uint8_t status); int spi_prettyprint_status_register(struct flashchip *flash); int spi_disable_blockprotect(struct flashchip *flash); -int spi_byte_program(int addr, uint8_t databyte); -int spi_nbyte_program(int addr, uint8_t *bytes, int len); -int spi_nbyte_read(int addr, uint8_t *bytes, int len); -int spi_read_chunked(struct flashchip *flash, uint8_t *buf, int start, int len, int chunksize); -int spi_write_chunked(struct flashchip *flash, uint8_t *buf, int start, int len, int chunksize); -int spi_aai_write(struct flashchip *flash, uint8_t *buf, int start, int len); +int spi_byte_program(unsigned int addr, uint8_t databyte); +int spi_nbyte_program(unsigned int addr, uint8_t *bytes, unsigned int len); +int spi_nbyte_read(unsigned int addr, uint8_t *bytes, unsigned int len); +int spi_read_chunked(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len, unsigned int chunksize); +int spi_write_chunked(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len, unsigned int chunksize); +int spi_aai_write(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len);
/* a25.c */ int spi_prettyprint_status_register_amic_a25l05p(struct flashchip *flash); @@ -81,7 +81,7 @@ int spi_disable_blockprotect_at25fs040(struct flashchip *flash); uint8_t wait_82802ab(struct flashchip *flash); int probe_82802ab(struct flashchip *flash); int erase_block_82802ab(struct flashchip *flash, unsigned int page, unsigned int pagesize); -int write_82802ab(struct flashchip *flash, uint8_t *buf, int start, int len); +int write_82802ab(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len); void print_status_82802ab(uint8_t status); int unlock_82802ab(struct flashchip *flash); int unlock_28f004s5(struct flashchip *flash); @@ -94,8 +94,8 @@ void data_polling_jedec(chipaddr dst, uint8_t data); int write_byte_program_jedec(chipaddr bios, uint8_t *src, chipaddr dst); int probe_jedec(struct flashchip *flash); -int write_jedec(struct flashchip *flash, uint8_t *buf, int start, int len); -int write_jedec_1(struct flashchip *flash, uint8_t *buf, int start, int len); +int write_jedec(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len); +int write_jedec_1(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len); int erase_sector_jedec(struct flashchip *flash, unsigned int page, unsigned int pagesize); int erase_block_jedec(struct flashchip *flash, unsigned int page, unsigned int blocksize); int erase_chip_block_jedec(struct flashchip *flash, unsigned int page, unsigned int blocksize); @@ -104,7 +104,7 @@ int erase_chip_block_jedec(struct flashchip *flash, unsigned int page, unsigned int probe_m29f400bt(struct flashchip *flash); int block_erase_m29f400bt(struct flashchip *flash, unsigned int start, unsigned int len); int block_erase_chip_m29f400bt(struct flashchip *flash, unsigned int start, unsigned int len); -int write_m29f400bt(struct flashchip *flash, uint8_t *buf, int start, int len); +int write_m29f400bt(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len); void protect_m29f400bt(chipaddr bios);
/* pm49fl00x.c */ @@ -114,7 +114,7 @@ int lock_49fl00x(struct flashchip *flash); /* sst28sf040.c */ int erase_chip_28sf040(struct flashchip *flash, unsigned int addr, unsigned int blocklen); int erase_sector_28sf040(struct flashchip *flash, unsigned int address, unsigned int sector_size); -int write_28sf040(struct flashchip *flash, uint8_t *buf, int start, int len); +int write_28sf040(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len); int unprotect_28sf040(struct flashchip *flash); int protect_28sf040(struct flashchip *flash);
diff --git a/dediprog.c b/dediprog.c index 58eeb44..ca2d3e0 100644 --- a/dediprog.c +++ b/dediprog.c @@ -206,13 +206,13 @@ static int dediprog_set_spi_speed(uint16_t speed) * @return 0 on success, 1 on failure */ static int dediprog_spi_bulk_read(struct flashchip *flash, uint8_t *buf, - int start, int len) + unsigned int start, unsigned int len) { int ret; - int i; + unsigned int i; /* chunksize must be 512, other sizes will NOT work at all. */ - const int chunksize = 0x200; - const int count = len / chunksize; + const unsigned int chunksize = 0x200; + const unsigned int count = len / chunksize; const char count_and_chunk[] = {count & 0xff, (count >> 8) & 0xff, chunksize & 0xff, @@ -253,14 +253,14 @@ static int dediprog_spi_bulk_read(struct flashchip *flash, uint8_t *buf, return 0; }
-static int dediprog_spi_read(struct flashchip *flash, uint8_t *buf, int start, - int len) +static int dediprog_spi_read(struct flashchip *flash, uint8_t *buf, + unsigned int start, unsigned int len) { int ret; /* chunksize must be 512, other sizes will NOT work at all. */ - const int chunksize = 0x200; - int residue = start % chunksize ? chunksize - start % chunksize : 0; - int bulklen; + const unsigned int chunksize = 0x200; + unsigned int residue = start % chunksize ? chunksize - start % chunksize : 0; + unsigned int bulklen;
dediprog_set_leds(PASS_OFF|BUSY_ON|ERROR_OFF);
@@ -300,7 +300,7 @@ static int dediprog_spi_read(struct flashchip *flash, uint8_t *buf, int start, }
static int dediprog_spi_write_256(struct flashchip *flash, uint8_t *buf, - int start, int len) + unsigned int start, unsigned int len) { int ret;
diff --git a/dummyflasher.c b/dummyflasher.c index be8f552..d4b1cb8 100644 --- a/dummyflasher.c +++ b/dummyflasher.c @@ -46,24 +46,24 @@ enum emu_chip { }; static enum emu_chip emu_chip = EMULATE_NONE; static char *emu_persistent_image = NULL; -static int emu_chip_size = 0; +static unsigned int emu_chip_size = 0; #if EMULATE_SPI_CHIP -static int emu_max_byteprogram_size = 0; -static int emu_max_aai_size = 0; -static int emu_jedec_se_size = 0; -static int emu_jedec_be_52_size = 0; -static int emu_jedec_be_d8_size = 0; -static int emu_jedec_ce_60_size = 0; -static int emu_jedec_ce_c7_size = 0; +static unsigned int emu_max_byteprogram_size = 0; +static unsigned int emu_max_aai_size = 0; +static unsigned int emu_jedec_se_size = 0; +static unsigned int emu_jedec_be_52_size = 0; +static unsigned int emu_jedec_be_d8_size = 0; +static unsigned int emu_jedec_ce_60_size = 0; +static unsigned int emu_jedec_ce_c7_size = 0; #endif #endif
-static int spi_write_256_chunksize = 256; +static unsigned int spi_write_256_chunksize = 256;
static int dummy_spi_send_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr); static int dummy_spi_write_256(struct flashchip *flash, uint8_t *buf, - int start, int len); + unsigned int start, unsigned int len);
static const struct spi_programmer spi_programmer_dummyflasher = { .type = SPI_CONTROLLER_DUMMY, @@ -299,8 +299,8 @@ void dummy_chip_readn(uint8_t *buf, const chipaddr addr, size_t len) static int emulate_spi_chip_response(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr) { - int offs; - static int aai_offs; + unsigned int offs; + static int unsigned aai_offs; static int aai_active = 0;
if (writecnt == 0) { @@ -528,7 +528,7 @@ static int dummy_spi_send_command(unsigned int writecnt, unsigned int readcnt, }
static int dummy_spi_write_256(struct flashchip *flash, uint8_t *buf, - int start, int len) + unsigned int start, unsigned int len) { return spi_write_chunked(flash, buf, start, len, spi_write_256_chunksize); diff --git a/flash.h b/flash.h index 535c1b8..e7bfd4e 100644 --- a/flash.h +++ b/flash.h @@ -108,9 +108,9 @@ struct flashchip { uint32_t model_id;
/* Total chip size in kilobytes */ - int total_size; + unsigned int total_size; /* Chip page size in bytes */ - int page_size; + unsigned int page_size; int feature_bits;
/* @@ -121,8 +121,10 @@ struct flashchip {
int (*probe) (struct flashchip *flash);
- /* Delay after "enter/exit ID mode" commands in microseconds. */ - int probe_timing; + /* Delay after "enter/exit ID mode" commands in microseconds. + * NB: negative values have special meanings, see TIMING_* below. + */ + signed int probe_timing;
/* * Erase blocks and associated erase function. Any chip erase function @@ -143,8 +145,8 @@ struct flashchip {
int (*printlock) (struct flashchip *flash); int (*unlock) (struct flashchip *flash); - int (*write) (struct flashchip *flash, uint8_t *buf, int start, int len); - int (*read) (struct flashchip *flash, uint8_t *buf, int start, int len); + int (*write) (struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len); + int (*read) (struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len); struct { uint16_t min; uint16_t max; @@ -202,7 +204,7 @@ extern int verbose; extern const char flashrom_version[]; extern char *chip_to_probe; void map_flash_registers(struct flashchip *flash); -int read_memmapped(struct flashchip *flash, uint8_t *buf, int start, int len); +int read_memmapped(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len); int erase_flash(struct flashchip *flash); int probe_flash(int startchip, struct flashchip *fill_flash, int force); int read_flash_to_file(struct flashchip *flash, const char *filename); @@ -210,8 +212,8 @@ int min(int a, int b); int max(int a, int b); void tolower_string(char *str); char *extract_param(char **haystack, const char *needle, const char *delim); -int verify_range(struct flashchip *flash, uint8_t *cmpbuf, int start, int len, const char *message); -int need_erase(uint8_t *have, uint8_t *want, int len, enum write_granularity gran); +int verify_range(struct flashchip *flash, uint8_t *cmpbuf, unsigned int start, unsigned int len, const char *message); +int need_erase(uint8_t *have, uint8_t *want, unsigned int len, enum write_granularity gran); char *strcat_realloc(char *dest, const char *src); void print_version(void); void print_banner(void); diff --git a/flashrom.c b/flashrom.c index c565a43..4e2921a 100644 --- a/flashrom.c +++ b/flashrom.c @@ -564,7 +564,7 @@ void map_flash_registers(struct flashchip *flash) flash->virtual_registers = (chipaddr)programmer_map_flash_region("flash chip registers", (0xFFFFFFFF - 0x400000 - size + 1), size); }
-int read_memmapped(struct flashchip *flash, uint8_t *buf, int start, int len) +int read_memmapped(struct flashchip *flash, uint8_t *buf, unsigned int start, int unsigned len) { chip_readn(buf, flash->virtual_memory + start, len);
@@ -687,7 +687,7 @@ static unsigned int count_usable_erasers(const struct flashchip *flash) }
/* start is an offset to the base address of the flash chip */ -int check_erased_range(struct flashchip *flash, int start, int len) +int check_erased_range(struct flashchip *flash, unsigned int start, unsigned int len) { int ret; uint8_t *cmpbuf = malloc(len); @@ -710,10 +710,10 @@ int check_erased_range(struct flashchip *flash, int start, int len) * @message string to print in the "FAILED" message * @return 0 for success, -1 for failure */ -int verify_range(struct flashchip *flash, uint8_t *cmpbuf, int start, int len, +int verify_range(struct flashchip *flash, uint8_t *cmpbuf, unsigned int start, unsigned int len, const char *message) { - int i; + unsigned int i; uint8_t *readbuf = malloc(len); int ret = 0, failcount = 0;
@@ -791,10 +791,10 @@ out_free: * @gran write granularity (enum, not count) * @return 0 if no erase is needed, 1 otherwise */ -int need_erase(uint8_t *have, uint8_t *want, int len, enum write_granularity gran) +int need_erase(uint8_t *have, uint8_t *want, unsigned int len, enum write_granularity gran) { int result = 0; - int i, j, limit; + unsigned int i, j, limit;
switch (gran) { case write_gran_1bit: @@ -857,11 +857,13 @@ int need_erase(uint8_t *have, uint8_t *want, int len, enum write_granularity gra * in relation to the max write length of the programmer and the max write * length of the chip. */ -static int get_next_write(uint8_t *have, uint8_t *want, int len, - int *first_start, enum write_granularity gran) +static unsigned int get_next_write(uint8_t *have, uint8_t *want, unsigned int len, + unsigned int *first_start, + enum write_granularity gran) { - int need_write = 0, rel_start = 0, first_len = 0; - int i, limit, stride; + int need_write = 0; + unsigned int rel_start = 0, first_len = 0; + unsigned int i, limit, stride;
switch (gran) { case write_gran_1bit: @@ -1182,7 +1184,7 @@ notfound: int verify_flash(struct flashchip *flash, uint8_t *buf) { int ret; - int total_size = flash->total_size * 1024; + unsigned int total_size = flash->total_size * 1024;
msg_cinfo("Verifying flash... ");
@@ -1360,7 +1362,8 @@ static int erase_and_write_block_helper(struct flashchip *flash, unsigned int addr, unsigned int len)) { - int starthere = 0, lenhere = 0, ret = 0, skip = 1, writecount = 0; + unsigned int starthere = 0, lenhere = 0; + int ret = 0, skip = 1, writecount = 0; enum write_granularity gran = write_gran_256bytes; /* FIXME */
/* curcontents and newcontents are opaque to walk_eraseregions, and diff --git a/ft2232_spi.c b/ft2232_spi.c index 8ab89fa..8f00685 100644 --- a/ft2232_spi.c +++ b/ft2232_spi.c @@ -106,10 +106,10 @@ static const char *get_ft2232_vendorname(int ft2232_vid, int ft2232_type) }
static int send_buf(struct ftdi_context *ftdic, const unsigned char *buf, - int size) + unsigned int size) { int r; - r = ftdi_write_data(ftdic, (unsigned char *) buf, size); + r = ftdi_write_data(ftdic, (unsigned char *) buf, (int)size); if (r < 0) { msg_perr("ftdi_write_data: %d, %s\n", r, ftdi_get_error_string(ftdic)); @@ -119,19 +119,19 @@ static int send_buf(struct ftdi_context *ftdic, const unsigned char *buf, }
static int get_buf(struct ftdi_context *ftdic, const unsigned char *buf, - int size) + unsigned int size) { int r;
while (size > 0) { - r = ftdi_read_data(ftdic, (unsigned char *) buf, size); + r = ftdi_read_data(ftdic, (unsigned char *) buf, (int)size); if (r < 0) { msg_perr("ftdi_read_data: %d, %s\n", r, ftdi_get_error_string(ftdic)); return 1; } - buf += r; - size -= r; + buf += (unsigned int)r; + size -= (unsigned int)r; } return 0; } @@ -332,9 +332,10 @@ static int ft2232_spi_send_command(unsigned int writecnt, unsigned int readcnt, struct ftdi_context *ftdic = &ftdic_context; static unsigned char *buf = NULL; /* failed is special. We use bitwise ops, but it is essentially bool. */ - int i = 0, ret = 0, failed = 0; - int bufsize; - static int oldbufsize = 0; + int ret = 0, failed = 0; + unsigned int i = 0; + unsigned int bufsize; + static unsigned int oldbufsize = 0;
if (writecnt > 65536 || readcnt > 65536) return SPI_INVALID_LENGTH; diff --git a/it87spi.c b/it87spi.c index 5fe74ce..c93a4a1 100644 --- a/it87spi.c +++ b/it87spi.c @@ -106,9 +106,9 @@ void probe_superio_ite(void) static int it8716f_spi_send_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr); static int it8716f_spi_chip_read(struct flashchip *flash, uint8_t *buf, - int start, int len); + unsigned int start, unsigned int len); static int it8716f_spi_chip_write_256(struct flashchip *flash, uint8_t *buf, - int start, int len); + unsigned int start, unsigned int len);
static const struct spi_programmer spi_programmer_it87xx = { .type = SPI_CONTROLLER_IT87XX, @@ -313,9 +313,10 @@ static int it8716f_spi_send_command(unsigned int writecnt, unsigned int readcnt,
/* Page size is usually 256 bytes */ static int it8716f_spi_page_program(struct flashchip *flash, uint8_t *buf, - int start) + unsigned int start) { - int i, result; + unsigned int i; + int result; chipaddr bios = flash->virtual_memory;
result = spi_write_enable(); @@ -340,7 +341,7 @@ static int it8716f_spi_page_program(struct flashchip *flash, uint8_t *buf, * Need to read this big flash using firmware cycles 3 byte at a time. */ static int it8716f_spi_chip_read(struct flashchip *flash, uint8_t *buf, - int start, int len) + unsigned int start, unsigned int len) { fast_spi = 0;
@@ -358,7 +359,7 @@ static int it8716f_spi_chip_read(struct flashchip *flash, uint8_t *buf, }
static int it8716f_spi_chip_write_256(struct flashchip *flash, uint8_t *buf, - int start, int len) + unsigned int start, unsigned int len) { /* * IT8716F only allows maximum of 512 kb SPI chip size for memory @@ -374,7 +375,7 @@ static int it8716f_spi_chip_write_256(struct flashchip *flash, uint8_t *buf, (flash->page_size > 256)) { spi_chip_write_1(flash, buf, start, len); } else { - int lenhere; + unsigned int lenhere;
if (start % flash->page_size) { /* start to the end of the page or to start + len, diff --git a/jedec.c b/jedec.c index cf34bcd..8004863 100644 --- a/jedec.c +++ b/jedec.c @@ -91,7 +91,7 @@ void data_polling_jedec(chipaddr dst, uint8_t data) msg_cdbg("%s: excessive loops, i=0x%x\n", __func__, i); }
-static int getaddrmask(struct flashchip *flash) +static unsigned int getaddrmask(struct flashchip *flash) { switch (flash->feature_bits & FEATURE_ADDR_MASK) { case FEATURE_ADDR_FULL: @@ -355,12 +355,12 @@ retry: }
/* chunksize is 1 */ -int write_jedec_1(struct flashchip *flash, uint8_t *src, int start, int len) +int write_jedec_1(struct flashchip *flash, uint8_t *src, unsigned int start, unsigned int len) { int i, failed = 0; chipaddr dst = flash->virtual_memory + start; chipaddr olddst; - int mask; + unsigned int mask;
mask = getaddrmask(flash);
@@ -376,14 +376,14 @@ int write_jedec_1(struct flashchip *flash, uint8_t *src, int start, int len) return failed; }
-int write_page_write_jedec_common(struct flashchip *flash, uint8_t *src, int start, int page_size) +int write_page_write_jedec_common(struct flashchip *flash, uint8_t *src, unsigned int start, unsigned int page_size) { int i, tried = 0, failed; uint8_t *s = src; chipaddr bios = flash->virtual_memory; chipaddr dst = bios + start; chipaddr d = dst; - int mask; + unsigned int mask;
mask = getaddrmask(flash);
@@ -424,15 +424,15 @@ retry: * This function is a slightly modified copy of spi_write_chunked. * Each page is written separately in chunks with a maximum size of chunksize. */ -int write_jedec(struct flashchip *flash, uint8_t *buf, int start, int len) +int write_jedec(struct flashchip *flash, uint8_t *buf, unsigned int start, int unsigned len) { - int i, starthere, lenhere; + unsigned int i, starthere, lenhere; /* FIXME: page_size is the wrong variable. We need max_writechunk_size * in struct flashchip to do this properly. All chips using * write_jedec have page_size set to max_writechunk_size, so * we're OK for now. */ - int page_size = flash->page_size; + unsigned int page_size = flash->page_size;
/* Warning: This loop has a very unusual condition and body. * The loop needs to go through each page with at least one affected @@ -461,7 +461,7 @@ int write_jedec(struct flashchip *flash, uint8_t *buf, int start, int len) int erase_chip_block_jedec(struct flashchip *flash, unsigned int addr, unsigned int blocksize) { - int mask; + unsigned int mask;
mask = getaddrmask(flash); if ((addr != 0) || (blocksize != flash->total_size * 1024)) { @@ -474,7 +474,7 @@ int erase_chip_block_jedec(struct flashchip *flash, unsigned int addr,
int probe_jedec(struct flashchip *flash) { - int mask; + unsigned int mask;
mask = getaddrmask(flash); return probe_jedec_common(flash, mask); @@ -482,7 +482,7 @@ int probe_jedec(struct flashchip *flash)
int erase_sector_jedec(struct flashchip *flash, unsigned int page, unsigned int size) { - int mask; + unsigned int mask;
mask = getaddrmask(flash); return erase_sector_jedec_common(flash, page, size, mask); @@ -490,7 +490,7 @@ int erase_sector_jedec(struct flashchip *flash, unsigned int page, unsigned int
int erase_block_jedec(struct flashchip *flash, unsigned int page, unsigned int size) { - int mask; + unsigned int mask;
mask = getaddrmask(flash); return erase_block_jedec_common(flash, page, size, mask); @@ -498,7 +498,7 @@ int erase_block_jedec(struct flashchip *flash, unsigned int page, unsigned int s
int erase_chip_jedec(struct flashchip *flash) { - int mask; + unsigned int mask;
mask = getaddrmask(flash); return erase_chip_jedec_common(flash, mask); diff --git a/linux_spi.c b/linux_spi.c index de82def..44a2fcd 100644 --- a/linux_spi.c +++ b/linux_spi.c @@ -36,10 +36,10 @@ static int fd = -1; static int linux_spi_shutdown(void *data); static int linux_spi_send_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *txbuf, unsigned char *rxbuf); -static int linux_spi_read(struct flashchip *flash, uint8_t *buf, int start, - int len); +static int linux_spi_read(struct flashchip *flash, uint8_t *buf, + unsigned int start, unsigned int len); static int linux_spi_write_256(struct flashchip *flash, uint8_t *buf, - int start, int len); + unsigned int start, unsigned int len);
static const struct spi_programmer spi_programmer_linux = { .type = SPI_CONTROLLER_LINUX, @@ -131,14 +131,14 @@ static int linux_spi_send_command(unsigned int writecnt, unsigned int readcnt, return 0; }
-static int linux_spi_read(struct flashchip *flash, uint8_t *buf, int start, - int len) +static int linux_spi_read(struct flashchip *flash, uint8_t *buf, + unsigned int start, unsigned int len) { - return spi_read_chunked(flash, buf, start, len, getpagesize()); + return spi_read_chunked(flash, buf, start, len, (unsigned)getpagesize()); }
static int linux_spi_write_256(struct flashchip *flash, uint8_t *buf, - int start, int len) + unsigned int start, unsigned int len) { - return spi_write_chunked(flash, buf, start, len, getpagesize() - 4); + return spi_write_chunked(flash, buf, start, len, ((unsigned)getpagesize()) - 4); } diff --git a/m29f400bt.c b/m29f400bt.c index e0d41d4..61bfa2e 100644 --- a/m29f400bt.c +++ b/m29f400bt.c @@ -28,7 +28,7 @@ functions. */
/* chunksize is 1 */ -int write_m29f400bt(struct flashchip *flash, uint8_t *src, int start, int len) +int write_m29f400bt(struct flashchip *flash, uint8_t *src, unsigned int start, unsigned int len) { int i; chipaddr bios = flash->virtual_memory; diff --git a/pm49fl00x.c b/pm49fl00x.c index 28052e5..13992a3 100644 --- a/pm49fl00x.c +++ b/pm49fl00x.c @@ -22,10 +22,10 @@
#include "flash.h"
-static void write_lockbits_49fl00x(chipaddr bios, int size, - unsigned char bits, int block_size) +static void write_lockbits_49fl00x(chipaddr bios, unsigned int size, + unsigned char bits, unsigned int block_size) { - int i, left = size; + unsigned int i, left = size;
for (i = 0; left >= block_size; i++, left -= block_size) { /* pm49fl002 */ diff --git a/programmer.h b/programmer.h index 73b94c1..c92713a 100644 --- a/programmer.h +++ b/programmer.h @@ -556,23 +556,23 @@ extern const int spi_programmer_count; #define MAX_DATA_WRITE_UNLIMITED 256 struct spi_programmer { enum spi_controller type; - int max_data_read; - int max_data_write; + unsigned int max_data_read; + unsigned int max_data_write; int (*command)(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr); int (*multicommand)(struct spi_command *cmds);
/* Optimized functions for this programmer */ - int (*read)(struct flashchip *flash, uint8_t *buf, int start, int len); - int (*write_256)(struct flashchip *flash, uint8_t *buf, int start, int len); + int (*read)(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len); + int (*write_256)(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len); };
extern const struct spi_programmer *spi_programmer; int default_spi_send_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr); int default_spi_send_multicommand(struct spi_command *cmds); -int default_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len); -int default_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int len); +int default_spi_read(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len); +int default_spi_write_256(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len); void register_spi_programmer(const struct spi_programmer *programmer);
/* ichspi.c */ @@ -610,7 +610,7 @@ void serprog_chip_readn(uint8_t *buf, const chipaddr addr, size_t len); void serprog_delay(int delay); int serprog_spi_send_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr); -int serprog_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len); +int serprog_spi_read(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len); #endif
/* serial.c */ diff --git a/serprog.c b/serprog.c index 9d554c9..94ae1c6 100644 --- a/serprog.c +++ b/serprog.c @@ -707,7 +707,7 @@ uint8_t serprog_chip_readb(const chipaddr addr) /* Local version that really does the job, doesn't care of max_read_n. */ static void sp_do_read_n(uint8_t * buf, const chipaddr addr, size_t len) { - int rd_bytes = 0; + unsigned int rd_bytes = 0; unsigned char sbuf[6]; msg_pspew("%s: addr=0x%lx len=%lu\n", __func__, addr, (unsigned long)len); /* Stream the read-n -- as above. */ @@ -725,7 +725,7 @@ static void sp_do_read_n(uint8_t * buf, const chipaddr addr, size_t len) int r = read(sp_fd, buf + rd_bytes, len - rd_bytes); if (r <= 0) sp_die("Error: cannot read read-n data"); - rd_bytes += r; + rd_bytes += (unsigned int)r; } while (rd_bytes != len); return; } @@ -795,11 +795,10 @@ int serprog_spi_send_command(unsigned int writecnt, unsigned int readcnt, * the advantage that it is much faster for most chips, but breaks those with * non-contiguous address space (like AT45DB161D). When spi_read_chunked is * fixed this method can be removed. */ -int serprog_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len) +int serprog_spi_read(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len) { - int i; - int cur_len; - const int max_read = spi_programmer_serprog.max_data_read; + unsigned int i, cur_len; + const unsigned int max_read = spi_programmer_serprog.max_data_read; for (i = 0; i < len; i += cur_len) { int ret; cur_len = min(max_read, (len - i)); diff --git a/spi.c b/spi.c index f02f091..60f77b0 100644 --- a/spi.c +++ b/spi.c @@ -97,9 +97,9 @@ int default_spi_send_multicommand(struct spi_command *cmds) return result; }
-int default_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len) +int default_spi_read(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len) { - int max_data = spi_programmer->max_data_read; + unsigned int max_data = spi_programmer->max_data_read; if (max_data == MAX_DATA_UNSPECIFIED) { msg_perr("%s called, but SPI read chunk size not defined " "on this hardware. Please report a bug at " @@ -109,9 +109,9 @@ int default_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len) return spi_read_chunked(flash, buf, start, len, max_data); }
-int default_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int len) +int default_spi_write_256(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len) { - int max_data = spi_programmer->max_data_write; + unsigned int max_data = spi_programmer->max_data_write; if (max_data == MAX_DATA_UNSPECIFIED) { msg_perr("%s called, but SPI write chunk size not defined " "on this hardware. Please report a bug at " @@ -121,9 +121,9 @@ int default_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int return spi_write_chunked(flash, buf, start, len, max_data); }
-int spi_chip_read(struct flashchip *flash, uint8_t *buf, int start, int len) +int spi_chip_read(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len) { - int addrbase = 0; + unsigned int addrbase = 0; if (!spi_programmer->read) { msg_perr("%s called, but SPI read is unsupported on this " "hardware. Please report a bug at " @@ -160,7 +160,7 @@ int spi_chip_read(struct flashchip *flash, uint8_t *buf, int start, int len) * .write_256 = spi_chip_write_1 */ /* real chunksize is up to 256, logical chunksize is 256 */ -int spi_chip_write_256(struct flashchip *flash, uint8_t *buf, int start, int len) +int spi_chip_write_256(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len) { if (!spi_programmer->write_256) { msg_perr("%s called, but SPI page write is unsupported on this " diff --git a/spi25.c b/spi25.c index 937ee5d..8e85136 100644 --- a/spi25.c +++ b/spi25.c @@ -844,7 +844,7 @@ int spi_write_status_register(struct flashchip *flash, int status) return ret; }
-int spi_byte_program(int addr, uint8_t databyte) +int spi_byte_program(unsigned int addr, uint8_t databyte) { int result; struct spi_command cmds[] = { @@ -879,7 +879,7 @@ int spi_byte_program(int addr, uint8_t databyte) return result; }
-int spi_nbyte_program(int addr, uint8_t *bytes, int len) +int spi_nbyte_program(unsigned int addr, uint8_t *bytes, unsigned int len) { int result; /* FIXME: Switch to malloc based on len unless that kills speed. */ @@ -954,7 +954,7 @@ int spi_disable_blockprotect(struct flashchip *flash) return 0; }
-int spi_nbyte_read(int address, uint8_t *bytes, int len) +int spi_nbyte_read(unsigned int address, uint8_t *bytes, unsigned int len) { const unsigned char cmd[JEDEC_READ_OUTSIZE] = { JEDEC_READ, @@ -972,12 +972,11 @@ int spi_nbyte_read(int address, uint8_t *bytes, int len) * FIXME: Use the chunk code from Michael Karcher instead. * Each page is read separately in chunks with a maximum size of chunksize. */ -int spi_read_chunked(struct flashchip *flash, uint8_t *buf, int start, int len, int chunksize) +int spi_read_chunked(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len, unsigned int chunksize) { int rc = 0; - int i, j, starthere, lenhere; - int page_size = flash->page_size; - int toread; + unsigned int i, j, starthere, lenhere, toread; + unsigned int page_size = flash->page_size;
/* Warning: This loop has a very unusual condition and body. * The loop needs to go through each page with at least one affected @@ -1012,17 +1011,16 @@ int spi_read_chunked(struct flashchip *flash, uint8_t *buf, int start, int len, * FIXME: Use the chunk code from Michael Karcher instead. * Each page is written separately in chunks with a maximum size of chunksize. */ -int spi_write_chunked(struct flashchip *flash, uint8_t *buf, int start, int len, int chunksize) +int spi_write_chunked(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len, unsigned int chunksize) { int rc = 0; - int i, j, starthere, lenhere; + unsigned int i, j, starthere, lenhere, towrite; /* FIXME: page_size is the wrong variable. We need max_writechunk_size * in struct flashchip to do this properly. All chips using * spi_chip_write_256 have page_size set to max_writechunk_size, so * we're OK for now. */ - int page_size = flash->page_size; - int towrite; + unsigned int page_size = flash->page_size;
/* Warning: This loop has a very unusual condition and body. * The loop needs to go through each page with at least one affected @@ -1061,9 +1059,10 @@ int spi_write_chunked(struct flashchip *flash, uint8_t *buf, int start, int len, * (e.g. due to size constraints in IT87* for over 512 kB) */ /* real chunksize is 1, logical chunksize is 1 */ -int spi_chip_write_1(struct flashchip *flash, uint8_t *buf, int start, int len) +int spi_chip_write_1(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len) { - int i, result = 0; + unsigned int i; + int result = 0;
for (i = start; i < start + len; i++) { result = spi_byte_program(i, buf[i - start]); @@ -1076,7 +1075,7 @@ int spi_chip_write_1(struct flashchip *flash, uint8_t *buf, int start, int len) return 0; }
-int spi_aai_write(struct flashchip *flash, uint8_t *buf, int start, int len) +int spi_aai_write(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len) { uint32_t pos = start; int result; diff --git a/sst28sf040.c b/sst28sf040.c index d621cc7..2038d53 100644 --- a/sst28sf040.c +++ b/sst28sf040.c @@ -76,7 +76,7 @@ int erase_sector_28sf040(struct flashchip *flash, unsigned int address, unsigned }
/* chunksize is 1 */ -int write_28sf040(struct flashchip *flash, uint8_t *src, int start, int len) +int write_28sf040(struct flashchip *flash, uint8_t *src, unsigned int start, unsigned int len) { int i; chipaddr bios = flash->virtual_memory; diff --git a/sst49lfxxxc.c b/sst49lfxxxc.c index 28f6cd0..c3ef823 100644 --- a/sst49lfxxxc.c +++ b/sst49lfxxxc.c @@ -35,7 +35,7 @@ static int write_lockbits_block_49lfxxxc(struct flashchip *flash, unsigned long static int write_lockbits_49lfxxxc(struct flashchip *flash, unsigned char bits) { chipaddr registers = flash->virtual_registers; - int i, left = flash->total_size * 1024; + unsigned int i, left = flash->total_size * 1024; unsigned long address;
msg_cdbg("\nbios=0x%08lx\n", registers); diff --git a/w39.c b/w39.c index 2e9aa4f..a2c1014 100644 --- a/w39.c +++ b/w39.c @@ -21,7 +21,7 @@
#include "flash.h"
-static int printlock_w39_fwh_block(struct flashchip *flash, int offset) +static int printlock_w39_fwh_block(struct flashchip *flash, unsigned int offset) { chipaddr wrprotect = flash->virtual_registers + offset + 2; uint8_t locking; @@ -59,7 +59,7 @@ static int printlock_w39_fwh_block(struct flashchip *flash, int offset) return (locking & ((1 << 2) | (1 << 0))) ? -1 : 0; }
-static int unlock_w39_fwh_block(struct flashchip *flash, int offset) +static int unlock_w39_fwh_block(struct flashchip *flash, unsigned int offset) { chipaddr wrprotect = flash->virtual_registers + offset + 2; uint8_t locking; @@ -80,7 +80,7 @@ static int unlock_w39_fwh_block(struct flashchip *flash, int offset) return 0; }
-static uint8_t w39_idmode_readb(struct flashchip *flash, int offset) +static uint8_t w39_idmode_readb(struct flashchip *flash, unsigned int offset) { chipaddr bios = flash->virtual_memory; uint8_t val; @@ -127,7 +127,7 @@ static int printlock_w39_bootblock_64k16k(uint8_t lock) return 0; }
-static int printlock_w39_common(struct flashchip *flash, int offset) +static int printlock_w39_common(struct flashchip *flash, unsigned int offset) { uint8_t lock;
@@ -138,7 +138,7 @@ static int printlock_w39_common(struct flashchip *flash, int offset)
static int printlock_w39_fwh(struct flashchip *flash) { - int i, total_size = flash->total_size * 1024; + unsigned int i, total_size = flash->total_size * 1024; int ret = 0; /* Print lock status of the complete chip */ @@ -150,7 +150,7 @@ static int printlock_w39_fwh(struct flashchip *flash)
static int unlock_w39_fwh(struct flashchip *flash) { - int i, total_size = flash->total_size * 1024; + unsigned int i, total_size = flash->total_size * 1024; /* Unlock the complete chip */ for (i = 0; i < total_size; i += flash->page_size) diff --git a/wbsio_spi.c b/wbsio_spi.c index 851c87f..bc31e99 100644 --- a/wbsio_spi.c +++ b/wbsio_spi.c @@ -62,7 +62,7 @@ done:
static int wbsio_spi_send_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr); -static int wbsio_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len); +static int wbsio_spi_read(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len);
static const struct spi_programmer spi_programmer_wbsio = { .type = SPI_CONTROLLER_WBSIO, @@ -194,7 +194,7 @@ static int wbsio_spi_send_command(unsigned int writecnt, unsigned int readcnt, return 0; }
-static int wbsio_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len) +static int wbsio_spi_read(struct flashchip *flash, uint8_t *buf, unsigned int start, unsigned int len) { return read_memmapped(flash, buf, start, len); }
-
Carl-Daniel Hailfinger -
Stefan Tauner