September 2020 - flashrom-gerrit

Change in flashrom[master]: ft2232_spi.c: change the chunksize to 280
by Simon Buhrow (Code Review) 27 Sep '21

27 Sep '21

Simon Buhrow has uploaded this change for review. ( https://review.coreboot.org/c/flashrom/+/43282 ) Change subject: ft2232_spi.c: change the chunksize to 280 ...................................................................... ft2232_spi.c: change the chunksize to 280 Signed-off-by: Simon Buhrow <simon.buhrow(a)posteo.de> Change-Id: I5e096937834fc8fc8623c8c59ade529de081b72a --- M ft2232_spi.c 1 file changed, 12 insertions(+), 1 deletion(-) git pull ssh://review.coreboot.org:29418/flashrom refs/changes/82/43282/1 diff --git a/ft2232_spi.c b/ft2232_spi.c index 0799af4..0a8d631 100644 --- a/ft2232_spi.c +++ b/ft2232_spi.c @@ -398,7 +398,18 @@ msg_perr("Unable to set latency timer (%s).\n", ftdi_get_error_string(ftdic)); } - if (ftdi_write_data_set_chunksize(ftdic, 270)) { + if (ftdi_write_data_set_chunksize(ftdic, 280)) { + /* + * 280 bytes = + * + 9 B (CMD) + * + 1 B (WREN) + * + 9 B (CMD) + * + 1 B (op) + * + 4 B (addr) + * + 256 B (page data) + * + * With op: PageProgram or Erase; CMD: FTDI-Chip commands + */ msg_perr("Unable to set chunk size (%s).\n", ftdi_get_error_string(ftdic)); } -- To view, visit https://review.coreboot.org/c/flashrom/+/43282 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: flashrom Gerrit-Branch: master Gerrit-Change-Id: I5e096937834fc8fc8623c8c59ade529de081b72a Gerrit-Change-Number: 43282 Gerrit-PatchSet: 1 Gerrit-Owner: Simon Buhrow Gerrit-MessageType: newchange

4 17

Change in ...flashrom[master]: layout: Introduce layout_next()
by Nico Huber (Code Review) 01 Jul '21

01 Jul '21

Hello Angel Pons, Arthur Heymans, David Hendricks, Thomas Heijligen, I'd like you to do a code review. Please visit https://review.coreboot.org/c/flashrom/+/33542 to review the following change. Change subject: layout: Introduce layout_next() ...................................................................... layout: Introduce layout_next() And use it to compare the layouts in flashrom_layout_read_from_ifd() in depth. Change-Id: I284958471c61344d29d92c95d88475065a9ca9aa Signed-off-by: Nico Huber <nico.h(a)gmx.de> --- M layout.c M layout.h M libflashrom.c 3 files changed, 20 insertions(+), 7 deletions(-) git pull ssh://review.coreboot.org:29418/flashrom refs/changes/42/33542/1 diff --git a/layout.c b/layout.c index e49189e..684615c 100644 --- a/layout.c +++ b/layout.c @@ -252,7 +252,7 @@ return lowest; } -const struct romentry *layout_next_included( +const struct romentry *layout_next( const struct flashrom_layout *const layout, const struct romentry *iterator) { const struct romentry *const end = layout->entries + layout->num_entries; @@ -262,14 +262,21 @@ else iterator = &layout->entries[0]; - for (; iterator < end; ++iterator) { - if (!iterator->included) - continue; + if (iterator < end) return iterator; - } return NULL; } +const struct romentry *layout_next_included( + const struct flashrom_layout *const layout, const struct romentry *iterator) +{ + while ((iterator = layout_next(layout, iterator))) { + if (iterator->included) + break; + } + return iterator; +} + /** * @addtogroup flashrom-layout * @{ diff --git a/layout.h b/layout.h index 53a20d6..f5444e2 100644 --- a/layout.h +++ b/layout.h @@ -66,5 +66,6 @@ int process_include_args(struct flashrom_layout *l, const struct layout_include_args *const args); const struct romentry *layout_next_included_region(const struct flashrom_layout *, chipoff_t); const struct romentry *layout_next_included(const struct flashrom_layout *, const struct romentry *); +const struct romentry *layout_next(const struct flashrom_layout *, const struct romentry *); #endif /* !__LAYOUT_H__ */ diff --git a/libflashrom.c b/libflashrom.c index af62002..6743d50 100644 --- a/libflashrom.c +++ b/libflashrom.c @@ -345,8 +345,13 @@ goto _finalize_ret; } - if (chip_layout->base.num_entries != dump_layout.base.num_entries || - memcmp(chip_layout->entries, dump_layout.entries, sizeof(dump_layout.entries))) { + const struct romentry *chip_entry = layout_next(&chip_layout->base, NULL); + const struct romentry *dump_entry = layout_next(&dump_layout.base, NULL); + while (chip_entry && dump_entry && !memcmp(chip_entry, dump_entry, sizeof(*chip_entry))) { + chip_entry = layout_next(&chip_layout->base, chip_entry); + dump_entry = layout_next(&dump_layout.base, dump_entry); + } + if (chip_entry || dump_entry) { msg_cerr("Descriptors don't match!\n"); ret = 5; goto _finalize_ret; -- To view, visit https://review.coreboot.org/c/flashrom/+/33542 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: flashrom Gerrit-Branch: master Gerrit-Change-Id: I284958471c61344d29d92c95d88475065a9ca9aa Gerrit-Change-Number: 33542 Gerrit-PatchSet: 1 Gerrit-Owner: Nico Huber <nico.h(a)gmx.de> Gerrit-Reviewer: Angel Pons <th3fanbus(a)gmail.com> Gerrit-Reviewer: Arthur Heymans <arthur(a)aheymans.xyz> Gerrit-Reviewer: David Hendricks <david.hendricks(a)gmail.com> Gerrit-Reviewer: Thomas Heijligen <src(a)posteo.de> Gerrit-MessageType: newchange

5 25

Change in flashrom[master]: support variable-size SPI chip for dummy programmer
by Namyoon Woo (Code Review) 27 Jun '21

27 Jun '21

Namyoon Woo has uploaded this change for review. ( https://review.coreboot.org/c/flashrom/+/44879 ) Change subject: support variable-size SPI chip for dummy programmer ...................................................................... support variable-size SPI chip for dummy programmer This is designed for firmware updater to pack firmware image preserving some specific partitions in any size. BUG=none TEST=ran the command line below: $ flashrom -p dummy:image=${TMP_FILE},size=16777216, \ emulate=VARIABLE_SIZE -w ${IMG} -V -f $ flashrom -p dummy:image=${TMP_FILE},size=auto, \ emulate=VARIABLE_SIZE -w ${IMG} -V -f Signed-off-by: Namyoon Woo <namyoon(a)google.com> Change-Id: Iff266e151459561b126ecfd1c47420b385be1db2 --- M chipdrivers.h M dummyflasher.c M flashchips.c M flashchips.h 4 files changed, 159 insertions(+), 6 deletions(-) git pull ssh://review.coreboot.org:29418/flashrom refs/changes/79/44879/1 diff --git a/chipdrivers.h b/chipdrivers.h index 3c7d146..cf03811 100644 --- a/chipdrivers.h +++ b/chipdrivers.h @@ -196,6 +196,9 @@ int probe_en29lv640b(struct flashctx *flash); int write_en29lv640b(struct flashctx *flash, const uint8_t *buf, unsigned int start, unsigned int len); +/* dummyflasher.c */ +int probe_variable_size(struct flashctx *flash); + /* edi.c */ int edi_chip_block_erase(struct flashctx *flash, unsigned int page, unsigned int size); int edi_chip_write(struct flashctx *flash, const uint8_t *buf, unsigned int start, unsigned int len); diff --git a/dummyflasher.c b/dummyflasher.c index e1a1d80..4024f2a 100644 --- a/dummyflasher.c +++ b/dummyflasher.c @@ -21,6 +21,7 @@ #include "flash.h" #include "chipdrivers.h" #include "programmer.h" +#include "flashchips.h" /* Remove the #define below if you don't want SPI flash chip emulation. */ #define EMULATE_SPI_CHIP 1 @@ -33,6 +34,13 @@ #if EMULATE_CHIP #include <sys/types.h> #include <sys/stat.h> + +#if EMULATE_SPI_CHIP +/* The name of variable-size virtual chip. A 4MB flash example: + * flashrom -p dummy:emulate=VARIABLE_SIZE,size=4194304 + */ +#define VARIABLE_SIZE_CHIP_NAME "VARIABLE_SIZE" +#endif #endif #if EMULATE_CHIP @@ -44,6 +52,7 @@ EMULATE_SST_SST25VF032B, EMULATE_MACRONIX_MX25L6436, EMULATE_WINBOND_W25Q128FV, + EMULATE_VARIABLE_SIZE, }; static enum emu_chip emu_chip = EMULATE_NONE; static char *emu_persistent_image = NULL; @@ -147,6 +156,12 @@ return 0; } +/* Values for the 'size' parameter */ +enum { + SIZE_UNKNOWN = -1, + SIZE_AUTO = -2, +}; + int dummy_init(void) { char *bustext = NULL; @@ -154,6 +169,7 @@ unsigned int i; #if EMULATE_SPI_CHIP char *status = NULL; + int size = SIZE_UNKNOWN; /* size for VARIOUS_SIZE chip device */ #endif #if EMULATE_CHIP struct stat image_stat; @@ -272,6 +288,31 @@ free(tmp); #if EMULATE_CHIP +#if EMULATE_SPI_CHIP + tmp = extract_programmer_param("size"); + if (tmp) { + int multiplier = 1; + if (!strcmp(tmp, "auto")) + size = SIZE_AUTO; + else if (strlen(tmp)) { + int remove_last_char = 1; + switch (tmp[strlen(tmp) - 1]) { + case 'k': case 'K': + multiplier = 1024; + break; + case 'm': case 'M': + multiplier = 1024 * 1024; + break; + default: + remove_last_char = 0; + break; + } + if (remove_last_char) tmp[strlen(tmp) - 1] = '\0'; + size = atoi(tmp) * multiplier; + } + } +#endif + tmp = extract_programmer_param("emulate"); if (!tmp) { msg_pdbg("Not emulating any flash chip.\n"); @@ -343,6 +384,42 @@ emu_jedec_ce_c7_size = emu_chip_size; msg_pdbg("Emulating Winbond W25Q128FV SPI flash chip (RDID)\n"); } + + emu_persistent_image = extract_programmer_param("image"); + /* Will be freed by shutdown function if necessary. */ + if (!emu_persistent_image) { + /* Nothing else to do. */ + goto dummy_init_out; + } + + if (!strncmp(tmp, VARIABLE_SIZE_CHIP_NAME, + strlen(VARIABLE_SIZE_CHIP_NAME))) { + if (size == SIZE_UNKNOWN) { + msg_perr("%s: the size parameter is not given.\n", + __func__); + free(tmp); + return 1; + } else if (size == SIZE_AUTO) { + if (stat(emu_persistent_image, &image_stat)) { + msg_perr("%s: no image so cannot use automatic size.\n", + __func__); + free(tmp); + return 1; + } + size = image_stat.st_size; + } + emu_chip = EMULATE_VARIABLE_SIZE; + emu_chip_size = size; + emu_max_byteprogram_size = 256; + emu_max_aai_size = 0; + emu_jedec_se_size = 4 * 1024; + emu_jedec_be_52_size = 32 * 1024; + emu_jedec_be_d8_size = 64 * 1024; + emu_jedec_ce_60_size = emu_chip_size; + emu_jedec_ce_c7_size = emu_chip_size; + msg_pdbg("Emulating generic SPI flash chip (size=%d bytes)\n", + emu_chip_size); + } #endif if (emu_chip == EMULATE_NONE) { msg_perr("Invalid chip specified for emulation: %s\n", tmp); @@ -376,12 +453,6 @@ msg_pdbg("Filling fake flash chip with 0xff, size %i\n", emu_chip_size); memset(flashchip_contents, 0xff, emu_chip_size); - /* Will be freed by shutdown function if necessary. */ - emu_persistent_image = extract_programmer_param("image"); - if (!emu_persistent_image) { - /* Nothing else to do. */ - goto dummy_init_out; - } /* We will silently (in default verbosity) ignore the file if it does not exist (yet) or the size does * not match the emulated chip. */ if (!stat(emu_persistent_image, &image_stat)) { @@ -610,6 +681,16 @@ if (readcnt > 2) readarr[2] = 0x18; break; + case EMULATE_VARIABLE_SIZE: + if (readcnt > 0) + readarr[0] = (VARIABLE_SIZE_MANUF_ID >> 8) & 0xff; + if (readcnt > 1) + readarr[1] = VARIABLE_SIZE_MANUF_ID & 0xff; + if (readcnt > 2) + readarr[2] = (VARIABLE_SIZE_DEVICE_ID >> 8) & 0xff; + if (readcnt > 3) + readarr[3] = VARIABLE_SIZE_DEVICE_ID & 0xff; + break; default: /* ignore */ break; } @@ -840,6 +921,7 @@ case EMULATE_SST_SST25VF032B: case EMULATE_MACRONIX_MX25L6436: case EMULATE_WINBOND_W25Q128FV: + case EMULATE_VARIABLE_SIZE: if (emulate_spi_chip_response(writecnt, readcnt, writearr, readarr)) { msg_pdbg("Invalid command sent to flash chip!\n"); @@ -862,3 +944,47 @@ return spi_write_chunked(flash, buf, start, len, spi_write_256_chunksize); } + +#if EMULATE_CHIP && EMULATE_SPI_CHIP +int probe_variable_size(struct flashctx *flash) +{ + int i; + + /* Skip the probing if we don't emulate this chip. */ + if (emu_chip != EMULATE_VARIABLE_SIZE) + return 0; + + /* + * This will break if one day flashctx becomes read-only. + * Once that happens, we need to have special hacks in functions: + * + * erase_and_write_flash() in flashrom.c + * read_flash_to_file() + * handle_romentries() + * ... + * + * Search "total_size * 1024" in code. + */ + if (emu_chip_size % 1024) + msg_perr("%s: emu_chip_size is not multipler of 1024.\n", + __func__); + flash->chip->total_size = emu_chip_size / 1024; + msg_cdbg("%s: set flash->total_size to %dK bytes.\n", __func__, + flash->chip->total_size); + + /* Update eraser count */ + for (i = 0; i < NUM_ERASEFUNCTIONS; i++) { + struct block_eraser *eraser = &flash->chip->block_erasers[i]; + if (eraser->block_erase == NULL) + break; + + eraser->eraseblocks[0].count = emu_chip_size / + eraser->eraseblocks[0].size; + msg_cdbg("%s: eraser.size=%d, .count=%d\n", + __func__, eraser->eraseblocks[0].size, + eraser->eraseblocks[0].count); + } + + return 1; +} +#endif diff --git a/flashchips.c b/flashchips.c index 8b5b5cc..e99073b 100644 --- a/flashchips.c +++ b/flashchips.c @@ -18759,6 +18759,27 @@ { .vendor = "Generic", + .name = "Variable Size SPI chip", + .bustype = BUS_SPI, + .manufacture_id = VARIABLE_SIZE_MANUF_ID, + .model_id = VARIABLE_SIZE_DEVICE_ID, + .total_size = 64, /* This size is set temporarily */ + .page_size = 256, + .tested = TEST_OK_PREW, + .probe = probe_variable_size, + .block_erasers = + { + { + .eraseblocks = { {64 * 1024, 1} }, + .block_erase = spi_block_erase_d8, + } + }, + .write = spi_chip_write_256, + .read = spi_chip_read, + }, + + { + .vendor = "Generic", .name = "unknown SPI chip (RDID)", .bustype = BUS_SPI, .manufacture_id = GENERIC_MANUF_ID, diff --git a/flashchips.h b/flashchips.h index 5b7937f..85010ea 100644 --- a/flashchips.h +++ b/flashchips.h @@ -36,6 +36,9 @@ #define PROGMANUF_ID 0xFFFE /* dummy ID for opaque chips behind a programmer */ #define PROGDEV_ID 0x01 /* dummy ID for opaque chips behind a programmer */ +#define VARIABLE_SIZE_MANUF_ID 0x3eaf +#define VARIABLE_SIZE_DEVICE_ID 0x10af + #define ALLIANCE_ID 0x52 /* Alliance Semiconductor */ #define ALLIANCE_AS29F002B 0x34 #define ALLIANCE_AS29F002T 0xB0 -- To view, visit https://review.coreboot.org/c/flashrom/+/44879 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: flashrom Gerrit-Branch: master Gerrit-Change-Id: Iff266e151459561b126ecfd1c47420b385be1db2 Gerrit-Change-Number: 44879 Gerrit-PatchSet: 1 Gerrit-Owner: Namyoon Woo <namyoon(a)google.com> Gerrit-MessageType: newchange

4 24

Change in ...flashrom[master]: layout: Drop `count` parameter of flashrom_layout_empty()
by Nico Huber (Code Review) 26 Jun '21

26 Jun '21

Hello Angel Pons, Arthur Heymans, David Hendricks, Thomas Heijligen, I'd like you to do a code review. Please visit https://review.coreboot.org/c/flashrom/+/33544 to review the following change. Change subject: layout: Drop `count` parameter of flashrom_layout_empty() ...................................................................... layout: Drop `count` parameter of flashrom_layout_empty() Change-Id: I22c180c9971068b1ae101845ce88484c6842b852 Signed-off-by: Nico Huber <nico.h(a)gmx.de> --- M flashrom.c M ich_descriptors.c M layout.c M libflashrom.h 4 files changed, 5 insertions(+), 6 deletions(-) git pull ssh://review.coreboot.org:29418/flashrom refs/changes/44/33544/1 diff --git a/flashrom.c b/flashrom.c index cb91cef..eeaa067 100644 --- a/flashrom.c +++ b/flashrom.c @@ -1332,7 +1332,7 @@ return -1; /* Fill default layout covering the whole chip. */ - if (flashrom_layout_empty(&flash->default_layout, 1) || + if (flashrom_layout_empty(&flash->default_layout) || flashrom_layout_add_region(flash->default_layout, 0, flash->chip->total_size * 1024 - 1, "complete flash") || flashrom_layout_include_region(flash->default_layout, "complete flash")) diff --git a/ich_descriptors.c b/ich_descriptors.c index 8383801..1d35cca 100644 --- a/ich_descriptors.c +++ b/ich_descriptors.c @@ -1170,7 +1170,7 @@ if (read_ich_descriptors_from_dump(dump, len, &cs, &desc)) return 1; - if (flashrom_layout_empty(layout, ARRAY_SIZE(regions))) + if (flashrom_layout_empty(layout)) return 2; ssize_t i; diff --git a/layout.c b/layout.c index 3560a18..9d633bb 100644 --- a/layout.c +++ b/layout.c @@ -33,7 +33,7 @@ struct flashrom_layout *get_global_layout(void) { if (!global_layout) - flashrom_layout_empty(&global_layout, 0); + flashrom_layout_empty(&global_layout); return global_layout; } @@ -264,12 +264,11 @@ * @brief Create a new, empty layout. * * @param layout Pointer to returned layout reference. - * @param count Number of layout entries to allocate. * * @return 0 on success, * 1 if out of memory. */ -int flashrom_layout_empty(struct flashrom_layout **const layout, const unsigned int count) +int flashrom_layout_empty(struct flashrom_layout **layout) { *layout = malloc(sizeof(**layout)); if (!*layout) { diff --git a/libflashrom.h b/libflashrom.h index 90f3e2c..785217e 100644 --- a/libflashrom.h +++ b/libflashrom.h @@ -62,7 +62,7 @@ int flashrom_image_verify(struct flashrom_flashctx *, const void *buffer, size_t buffer_len); struct flashrom_layout; -int flashrom_layout_empty(struct flashrom_layout **layout, unsigned int count); +int flashrom_layout_empty(struct flashrom_layout **); int flashrom_layout_read_from_ifd(struct flashrom_layout **, struct flashrom_flashctx *, const void *dump, size_t len); int flashrom_layout_read_fmap_from_rom(struct flashrom_layout **, struct flashrom_flashctx *, off_t offset, size_t length); -- To view, visit https://review.coreboot.org/c/flashrom/+/33544 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: flashrom Gerrit-Branch: master Gerrit-Change-Id: I22c180c9971068b1ae101845ce88484c6842b852 Gerrit-Change-Number: 33544 Gerrit-PatchSet: 1 Gerrit-Owner: Nico Huber <nico.h(a)gmx.de> Gerrit-Reviewer: Angel Pons <th3fanbus(a)gmail.com> Gerrit-Reviewer: Arthur Heymans <arthur(a)aheymans.xyz> Gerrit-Reviewer: David Hendricks <david.hendricks(a)gmail.com> Gerrit-Reviewer: Thomas Heijligen <src(a)posteo.de> Gerrit-MessageType: newchange

5 10

Change in ...flashrom[master]: layout: Introduce flashrom_layout_empty()
by Nico Huber (Code Review) 26 Jun '21

26 Jun '21

Hello Angel Pons, Arthur Heymans, David Hendricks, Thomas Heijligen, I'd like you to do a code review. Please visit https://review.coreboot.org/c/flashrom/+/33543 to review the following change. Change subject: layout: Introduce flashrom_layout_empty() ...................................................................... layout: Introduce flashrom_layout_empty() It initializes an empty layout. Currently the maximum number of entries has to be specified, which will vanisch once we use dynamic allocation. Change-Id: I2ae7246493ff592e631cce924777925c7825e398 Signed-off-by: Nico Huber <nico.h(a)gmx.de> --- M cli_classic.c M flash.h M flashrom.c M ich_descriptors.c M ich_descriptors.h M layout.c M libflashrom.c M libflashrom.h 8 files changed, 54 insertions(+), 37 deletions(-) git pull ssh://review.coreboot.org:29418/flashrom refs/changes/43/33543/1 diff --git a/cli_classic.c b/cli_classic.c index 2e07612..a98be47 100644 --- a/cli_classic.c +++ b/cli_classic.c @@ -673,8 +673,10 @@ out_shutdown: programmer_shutdown(); out: - for (i = 0; i < chipcount; i++) + for (i = 0; i < chipcount; i++) { + flashrom_layout_release(flashes[i].default_layout); free(flashes[i].chip); + } layout_cleanup(&include_args); free(filename); diff --git a/flash.h b/flash.h index 5bbfa0a..84de7a7 100644 --- a/flash.h +++ b/flash.h @@ -252,7 +252,7 @@ chipaddr virtual_registers; struct registered_master *mst; const struct flashrom_layout *layout; - struct single_layout fallback_layout; + struct flashrom_layout *default_layout; struct { bool force; bool force_boardmismatch; diff --git a/flashrom.c b/flashrom.c index e355731..3436a59 100644 --- a/flashrom.c +++ b/flashrom.c @@ -1331,15 +1331,12 @@ if (!flash->chip) return -1; - /* Fill fallback layout covering the whole chip. */ - struct single_layout *const fallback = &flash->fallback_layout; - fallback->base.entries = &fallback->entry; - fallback->base.max_entries = 1; - fallback->base.num_entries = 0; - if (flashrom_layout_add_region(&fallback->base, + /* Fill default layout covering the whole chip. */ + if (flashrom_layout_empty(&flash->default_layout, 1) || + flashrom_layout_add_region(flash->default_layout, 0, flash->chip->total_size * 1024 - 1, "complete flash") || - flashrom_layout_include_region(&fallback->base, "complete flash")) - return -1; + flashrom_layout_include_region(flash->default_layout, "complete flash")) + return -1; tmp = flashbuses_to_text(flash->chip->bustype); msg_cinfo("%s %s flash chip \"%s\" (%d kB, %s) ", force ? "Assuming" : "Found", diff --git a/ich_descriptors.c b/ich_descriptors.c index b2c5d4c..8383801 100644 --- a/ich_descriptors.c +++ b/ich_descriptors.c @@ -1156,7 +1156,9 @@ * 1 if the descriptor couldn't be parsed, * 2 when out of memory. */ -int layout_from_ich_descriptors(struct ich_layout *const layout, const void *const dump, const size_t len) +int layout_from_ich_descriptors( + struct flashrom_layout **const layout, + const void *const dump, const size_t len) { static const char *const regions[] = { "fd", "bios", "me", "gbe", "pd", "reg5", "bios2", "reg7", "ec", "reg9", "ie", @@ -1168,10 +1170,8 @@ if (read_ich_descriptors_from_dump(dump, len, &cs, &desc)) return 1; - memset(layout, 0x00, sizeof(*layout)); - layout->base.entries = layout->entries; - layout->base.max_entries = ARRAY_SIZE(layout->entries); - layout->base.num_entries = 0; + if (flashrom_layout_empty(layout, ARRAY_SIZE(regions))) + return 2; ssize_t i; for (i = 0; i < min(ich_number_of_regions(cs, &desc.content), ARRAY_SIZE(regions)); ++i) { @@ -1179,8 +1179,11 @@ const chipoff_t limit = ICH_FREG_LIMIT(desc.region.FLREGs[i]); if (limit <= base) continue; - if (flashrom_layout_add_region(&layout->base, base, limit, regions[i])) + if (flashrom_layout_add_region(*layout, base, limit, regions[i])) { + flashrom_layout_release(*layout); + *layout = NULL; return 2; + } } return 0; } diff --git a/ich_descriptors.h b/ich_descriptors.h index 4225286..498af21 100644 --- a/ich_descriptors.h +++ b/ich_descriptors.h @@ -562,11 +562,6 @@ struct ich_desc_upper_map upper; }; -struct ich_layout { - struct flashrom_layout base; - struct romentry entries[MAX_NUM_FLREGS]; -}; - ssize_t ich_number_of_regions(enum ich_chipset cs, const struct ich_desc_content *content); ssize_t ich_number_of_masters(enum ich_chipset cs, const struct ich_desc_content *content); @@ -585,6 +580,6 @@ int read_ich_descriptors_via_fdo(enum ich_chipset cs, void *spibar, struct ich_descriptors *desc); int getFCBA_component_density(enum ich_chipset cs, const struct ich_descriptors *desc, uint8_t idx); -int layout_from_ich_descriptors(struct ich_layout *, const void *dump, size_t len); +int layout_from_ich_descriptors(struct flashrom_layout **, const void *dump, size_t len); #endif /* __ICH_DESCRIPTORS_H__ */ diff --git a/layout.c b/layout.c index 0978a67..8198f17 100644 --- a/layout.c +++ b/layout.c @@ -37,7 +37,7 @@ if (flashctx->layout && flashctx->layout->num_entries) return flashctx->layout; else - return &flashctx->fallback_layout.base; + return flashctx->default_layout; } #ifndef __LIBPAYLOAD__ @@ -270,6 +270,29 @@ */ /** + * @brief Create a new, empty layout. + * + * @param layout Pointer to returned layout reference. + * @param count Number of layout entries to allocate. + * + * @return 0 on success, + * 1 if out of memory. + */ +int flashrom_layout_empty(struct flashrom_layout **const layout, const unsigned int count) +{ + *layout = malloc(sizeof(**layout) + count * sizeof(struct romentry)); + if (!*layout) { + msg_gerr("Error creating layout: %s\n", strerror(errno)); + return 1; + } + + (*layout)->entries = (void *)((char *)*layout + sizeof(**layout)); + (*layout)->max_entries = count; + (*layout)->num_entries = 0; + return 0; +} + +/** * @brief Add another region to an existing layout. * * @param layout The existing layout. diff --git a/libflashrom.c b/libflashrom.c index aa43e65..d891944 100644 --- a/libflashrom.c +++ b/libflashrom.c @@ -205,13 +205,14 @@ ret = 0; /* We found one chip, now check that there is no second match. */ if (probe_flash(&registered_masters[i], flash_idx + 1, &second_flashctx, 0) != -1) { + flashrom_layout_release(second_flashctx.default_layout); ret = 3; break; } } } if (ret) { - free(*flashctx); + flashrom_flash_release(*flashctx); *flashctx = NULL; } return ret; @@ -235,6 +236,7 @@ */ void flashrom_flash_release(struct flashrom_flashctx *const flashctx) { + flashrom_layout_release(flashctx->default_layout); free(flashctx); } @@ -310,16 +312,10 @@ #ifndef __FLASHROM_LITTLE_ENDIAN__ return 6; #else - struct ich_layout dump_layout; + struct flashrom_layout *dump_layout, *chip_layout; int ret = 1; void *const desc = malloc(0x1000); - struct ich_layout *const chip_layout = malloc(sizeof(*chip_layout)); - if (!desc || !chip_layout) { - msg_gerr("Out of memory!\n"); - goto _free_ret; - } - if (prepare_flash_access(flashctx, true, false, false, false)) goto _free_ret; @@ -332,7 +328,7 @@ } msg_cinfo("done.\n"); - if (layout_from_ich_descriptors(chip_layout, desc, 0x1000)) { + if (layout_from_ich_descriptors(&chip_layout, desc, 0x1000)) { msg_cerr("Couldn't parse the descriptor!\n"); ret = 3; goto _finalize_ret; @@ -345,11 +341,11 @@ goto _finalize_ret; } - const struct romentry *chip_entry = layout_next(&chip_layout->base, NULL); - const struct romentry *dump_entry = layout_next(&dump_layout.base, NULL); + const struct romentry *chip_entry = layout_next(chip_layout, NULL); + const struct romentry *dump_entry = layout_next(dump_layout, NULL); while (chip_entry && dump_entry && !memcmp(chip_entry, dump_entry, sizeof(*chip_entry))) { - chip_entry = layout_next(&chip_layout->base, chip_entry); - dump_entry = layout_next(&dump_layout.base, dump_entry); + chip_entry = layout_next(chip_layout, chip_entry); + dump_entry = layout_next(dump_layout, dump_entry); } if (chip_entry || dump_entry) { msg_cerr("Descriptors don't match!\n"); @@ -365,7 +361,7 @@ finalize_flash_access(flashctx); _free_ret: if (ret) - free(chip_layout); + flashrom_layout_release(chip_layout); free(desc); return ret; #endif diff --git a/libflashrom.h b/libflashrom.h index 2b84bd4..90f3e2c 100644 --- a/libflashrom.h +++ b/libflashrom.h @@ -62,6 +62,7 @@ int flashrom_image_verify(struct flashrom_flashctx *, const void *buffer, size_t buffer_len); struct flashrom_layout; +int flashrom_layout_empty(struct flashrom_layout **layout, unsigned int count); int flashrom_layout_read_from_ifd(struct flashrom_layout **, struct flashrom_flashctx *, const void *dump, size_t len); int flashrom_layout_read_fmap_from_rom(struct flashrom_layout **, struct flashrom_flashctx *, off_t offset, size_t length); -- To view, visit https://review.coreboot.org/c/flashrom/+/33543 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: flashrom Gerrit-Branch: master Gerrit-Change-Id: I2ae7246493ff592e631cce924777925c7825e398 Gerrit-Change-Number: 33543 Gerrit-PatchSet: 1 Gerrit-Owner: Nico Huber <nico.h(a)gmx.de> Gerrit-Reviewer: Angel Pons <th3fanbus(a)gmail.com> Gerrit-Reviewer: Arthur Heymans <arthur(a)aheymans.xyz> Gerrit-Reviewer: David Hendricks <david.hendricks(a)gmail.com> Gerrit-Reviewer: Thomas Heijligen <src(a)posteo.de> Gerrit-MessageType: newchange

5 26

Change in ...flashrom[master]: [RFC] cli_classic: Add `--mode (read|write|verify|erase)` parameter
by Nico Huber (Code Review) 13 May '21

13 May '21

Nico Huber has uploaded this change for review. ( https://review.coreboot.org/c/flashrom/+/30979 Change subject: [RFC] cli_classic: Add `--mode (read|write|verify|erase)` parameter ...................................................................... [RFC] cli_classic: Add `--mode (read|write|verify|erase)` parameter In case the user only wants to specify files for specific layout regions, we need a way to set the operation without specifying a file. Instead of making the <filename> argument optional, we can add a new syntax for this particular purpose. This way, we avoid complex command line parsing and can do more sanity checks and provide better error messages. TODO: Update manpage in case this gets accepted. Change-Id: Idfba11ec9991aac423b07f68f7dc45e7bebbb06b Signed-off-by: Nico Huber <nico.huber(a)secunet.com> --- M cli_classic.c 1 file changed, 42 insertions(+), 2 deletions(-) git pull ssh://review.coreboot.org:29418/flashrom refs/changes/79/30979/1 diff --git a/cli_classic.c b/cli_classic.c index 324e145..d09a8d1 100644 --- a/cli_classic.c +++ b/cli_classic.c @@ -39,7 +39,8 @@ "-z|" #endif "-p <programmername>[:<parameters>] [-c <chipname>]\n" - "[-E|(-r|-w|-v) <file>] [(-l <layoutfile>|--ifd) [-i <imagename>]...] [-n] [-N] [-f]]\n" + "[(-r|-w|-v|-E) <file>|-m (r|w|v|e)] [(-l <layoutfile>|--ifd) [-i <region>]...]\n" + "[-n] [-N] [-f]]\n" "[-V[V[V]]] [-o <logfile>]\n\n", name); printf(" -h | --help print this help text\n" @@ -47,6 +48,8 @@ " -r | --read <file> read flash and save to <file>\n" " -w | --write <file> write <file> to flash\n" " -v | --verify <file> verify flash against <file>\n" + " -m | --mode <operation> for use with --include <region>:<file>,\n" + " specify the mode of operation (r|w|v|e)\n" " -E | --erase erase flash memory\n" " -V | --verbose more verbose output\n" " -c | --chip <chipname> probe only for specified flash chip\n" @@ -123,6 +126,7 @@ {"write", 1, NULL, 'w'}, {"erase", 0, NULL, 'E'}, {"verify", 1, NULL, 'v'}, + {"mode", 1, NULL, 'm'}, {"noverify", 0, NULL, 'n'}, {"noverify-all", 0, NULL, 'N'}, {"chip", 1, NULL, 'c'}, @@ -200,6 +204,25 @@ filename = strdup(optarg); verify_it = 1; break; + case 'm': + if (++operation_specified > 1) { + fprintf(stderr, "More than one operation specified. Aborting.\n"); + cli_classic_abort_usage(); + } + /* check that `optarg` is a prefix of a known operation */ + if (strncmp(optarg, "read", strlen(optarg)) == 0) { + read_it = 1; + } else if (strncmp(optarg, "write", strlen(optarg)) == 0) { + write_it = 1; + } else if (strncmp(optarg, "verify", strlen(optarg)) == 0) { + verify_it = 1; + } else if (strncmp(optarg, "erase", strlen(optarg)) == 0) { + erase_it = 1; + } else { + fprintf(stderr, "Unknown operation specified: '%s'\n", optarg); + cli_classic_abort_usage(); + } + break; case 'n': if (verify_it) { fprintf(stderr, "--verify and --noverify are mutually exclusive. Aborting.\n"); @@ -404,7 +427,7 @@ cli_classic_abort_usage(); } - if ((read_it | write_it | verify_it) && check_filename(filename, "image")) { + if (filename && check_filename(filename, "image")) { cli_classic_abort_usage(); } if (layoutfile && check_filename(layoutfile, "layout")) { @@ -654,6 +677,23 @@ flashrom_flag_set(fill_flash, FLASHROM_FLAG_VERIFY_AFTER_WRITE, !dont_verify_it); flashrom_flag_set(fill_flash, FLASHROM_FLAG_VERIFY_WHOLE_CHIP, !dont_verify_all); + if (!filename && (read_it | write_it | verify_it)) { + if (layout->num_entries == 0) { + msg_gerr("Error: The specified operation requires a file.\n"); + ret = 1; + goto out_shutdown; + } + for (i = 0; i < layout->num_entries; i++) { + if (!layout->entries[i].file) { + msg_gerr("Error: Region \"%s\" requires a file argument.\n", + layout->entries[i].name); + ret = 1; + } + if (ret) + goto out_shutdown; + } + } + /* FIXME: We should issue an unconditional chip reset here. This can be * done once we have a .reset function in struct flashchip. * Give the chip time to settle. -- To view, visit https://review.coreboot.org/c/flashrom/+/30979 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: flashrom Gerrit-Branch: master Gerrit-Change-Id: Idfba11ec9991aac423b07f68f7dc45e7bebbb06b Gerrit-Change-Number: 30979 Gerrit-PatchSet: 1 Gerrit-Owner: Nico Huber <nico.h(a)gmx.de> Gerrit-MessageType: newchange

5 18

Change in flashrom[master]: dediprog: Add 4BA support on SF600 protocol version 3
by Patrick Rudolph (Code Review) 11 May '21

11 May '21

Hello Patrick Rudolph, I'd like you to do a code review. Please visit https://review.coreboot.org/c/flashrom/+/44811 to review the following change. Change subject: dediprog: Add 4BA support on SF600 protocol version 3 ...................................................................... dediprog: Add 4BA support on SF600 protocol version 3 Tested on SF600 protocol 3 V:7.2.45 Fixes the error message: "4-byte address requested but master can't handle 4-byte addresses." Change-Id: I2d91f940eb246b928a9d386eefb4195f9ccf1bb5 Signed-off-by: Patrick Rudolph <patrick.rudolph(a)9elements.com> --- M dediprog.c 1 file changed, 1 insertion(+), 1 deletion(-) git pull ssh://review.coreboot.org:29418/flashrom refs/changes/11/44811/1 diff --git a/dediprog.c b/dediprog.c index b847db4..6e3f098 100644 --- a/dediprog.c +++ b/dediprog.c @@ -1272,7 +1272,7 @@ (dediprog_devicetype == DEV_SF600 && protocol() == PROTOCOL_V3)) spi_master_dediprog.features &= ~SPI_MASTER_NO_4BA_MODES; - if (protocol() == PROTOCOL_V2) + if (protocol() >= PROTOCOL_V2) spi_master_dediprog.features |= SPI_MASTER_4BA; if (register_spi_master(&spi_master_dediprog) || dediprog_set_leds(LED_NONE)) -- To view, visit https://review.coreboot.org/c/flashrom/+/44811 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: flashrom Gerrit-Branch: master Gerrit-Change-Id: I2d91f940eb246b928a9d386eefb4195f9ccf1bb5 Gerrit-Change-Number: 44811 Gerrit-PatchSet: 1 Gerrit-Owner: Patrick Rudolph <siro(a)das-labor.org> Gerrit-Reviewer: Patrick Rudolph <patrick.rudolph(a)9elements.com> Gerrit-MessageType: newchange

4 3

Change in flashrom[master]: dediprog: Enable 4BA for all protocols
by Patrick Rudolph (Code Review) 11 May '21

11 May '21

Hello Patrick Rudolph, I'd like you to do a code review. Please visit https://review.coreboot.org/c/flashrom/+/44776 to review the following change. Change subject: dediprog: Enable 4BA for all protocols ...................................................................... dediprog: Enable 4BA for all protocols * Tested on SF600 with protocol version 3 with "W25Q256.W" (32768 kB) * Tested on SF100 with protocol version 2 with "W25Q256.W" (32768 kB) As it works with all protocol version, assume that the SF200 works fine as well. Change-Id: Iee0ba972245b9317ef86345432fec5fc32614888 Signed-off-by: Patrick Rudolph <patrick.rudolph(a)9elements.com> --- M dediprog.c 1 file changed, 1 insertion(+), 7 deletions(-) git pull ssh://review.coreboot.org:29418/flashrom refs/changes/76/44776/1 diff --git a/dediprog.c b/dediprog.c index 827d5e4..13365cd 100644 --- a/dediprog.c +++ b/dediprog.c @@ -993,7 +993,7 @@ } static struct spi_master spi_master_dediprog = { - .features = SPI_MASTER_NO_4BA_MODES, + .features = SPI_MASTER_4BA, .max_data_read = 16, /* 18 seems to work fine as well, but 19 times out sometimes with FW 5.15. */ .max_data_write = 16, .command = dediprog_spi_send_command, @@ -1268,12 +1268,6 @@ if (dediprog_standalone_mode()) return 1; - if (dediprog_devicetype == DEV_SF100 && protocol() == PROTOCOL_V1) - spi_master_dediprog.features &= ~SPI_MASTER_NO_4BA_MODES; - - if (protocol() == PROTOCOL_V2) - spi_master_dediprog.features |= SPI_MASTER_4BA; - if (register_spi_master(&spi_master_dediprog) || dediprog_set_leds(LED_NONE)) return 1; -- To view, visit https://review.coreboot.org/c/flashrom/+/44776 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: flashrom Gerrit-Branch: master Gerrit-Change-Id: Iee0ba972245b9317ef86345432fec5fc32614888 Gerrit-Change-Number: 44776 Gerrit-PatchSet: 1 Gerrit-Owner: Patrick Rudolph <siro(a)das-labor.org> Gerrit-Reviewer: Patrick Rudolph <patrick.rudolph(a)9elements.com> Gerrit-MessageType: newchange

3 3

Change in flashrom[master]: chipset_enable.c: Add CMP-H IDs
by Gaggery Tsai (Code Review) 26 Apr '21

26 Apr '21

Gaggery Tsai has uploaded this change for review. ( https://review.coreboot.org/c/flashrom/+/37677 ) Change subject: chipset_enable.c: Add CMP-H IDs ...................................................................... chipset_enable.c: Add CMP-H IDs This patch adds CMP-H support. They are HM470, WM490, QM480, W480, H470, Z490 and Q470. TEST=build flashrom and run on CML-S with CMP-H flashrom -p internal -w ./coreboot.rom reboot and check the code is flashed correctly Signed-off-by: Gaggery Tsai <gaggery.tsai(a)intel.com> Change-Id: Ic7f04fc5cbe3422cbd219c46586c32fc847c921f --- M chipset_enable.c 1 file changed, 7 insertions(+), 0 deletions(-) git pull ssh://review.coreboot.org:29418/flashrom refs/changes/77/37677/1 diff --git a/chipset_enable.c b/chipset_enable.c index b55852c..62a19af 100644 --- a/chipset_enable.c +++ b/chipset_enable.c @@ -2046,6 +2046,13 @@ {0x8086, 0xa30c, B_S, NT, "Intel", "QM370", enable_flash_pch300}, {0x8086, 0xa30d, B_S, NT, "Intel", "HM370", enable_flash_pch300}, {0x8086, 0xa30e, B_S, DEP, "Intel", "CM246", enable_flash_pch300}, + {0x8086, 0x068d, B_S, NT, "Intel", "HM470", enable_flash_pch300}, + {0x8086, 0x068e, B_S, NT, "Intel", "WM490", enable_flash_pch300}, + {0x8086, 0x068c, B_S, NT, "Intel", "QM480", enable_flash_pch300}, + {0x8086, 0x0697, B_S, NT, "Intel", "W480", enable_flash_pch300}, + {0x8086, 0x0684, B_S, NT, "Intel", "H470", enable_flash_pch300}, + {0x8086, 0x0685, B_S, NT, "Intel", "Z490", enable_flash_pch300}, + {0x8086, 0x0687, B_S, NT, "Intel", "Q470", enable_flash_pch300}, #endif {0}, }; -- To view, visit https://review.coreboot.org/c/flashrom/+/37677 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: flashrom Gerrit-Branch: master Gerrit-Change-Id: Ic7f04fc5cbe3422cbd219c46586c32fc847c921f Gerrit-Change-Number: 37677 Gerrit-PatchSet: 1 Gerrit-Owner: Gaggery Tsai <gaggery.tsai(a)intel.com> Gerrit-MessageType: newchange

7 25

Change in flashrom[master]: ft2232_spi.c - Pack read cmd and nCS in one ftdi_write_data() call
by Simon Buhrow (Code Review) 23 Apr '21

23 Apr '21

Simon Buhrow has uploaded this change for review. ( https://review.coreboot.org/c/flashrom/+/40748 ) Change subject: ft2232_spi.c - Pack read cmd and nCS in one ftdi_write_data() call ...................................................................... ft2232_spi.c - Pack read cmd and nCS in one ftdi_write_data() call Every ftdi_write_data() call is quite time consuming as the ftdi-chip takes 2-3ms to respond. As the comment already says: Minimize USB transfers by packing as many commands as possible together. As I cannot see any reason to put read cmd and deassertion of nCS into seperated ftdi calls, I packed them together to save programming time. Signed-off-by: Simon Buhrow <simon.buhrow(a)posteo.de> Change-Id: I3f76da3dd0124a0deec7f937dbc4b7dc488c8004 --- M ft2232_spi.c 1 file changed, 38 insertions(+), 40 deletions(-) git pull ssh://review.coreboot.org:29418/flashrom refs/changes/48/40748/1 diff --git a/ft2232_spi.c b/ft2232_spi.c index 9f4c7f0..b2f5e40 100644 --- a/ft2232_spi.c +++ b/ft2232_spi.c @@ -398,7 +398,10 @@ msg_perr("Unable to set latency timer (%s).\n", ftdi_get_error_string(ftdic)); } - if (ftdi_write_data_set_chunksize(ftdic, 270)) { + if (ftdi_write_data_set_chunksize(ftdic, 280)) { + /* 280 Byte = (9 Byte CMD + 1 Byte WREN) + (9 Byte CMD + 1 Byte op) + 4 Byte Addr + * + 256 Byte PageWrite-data + with op: PageProgram or Erase; CMD: FTDI-Chip commands*/ msg_perr("Unable to set chunk size (%s).\n", ftdi_get_error_string(ftdic)); } @@ -467,31 +470,26 @@ 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; - size_t bufsize; - static size_t oldbufsize = 0; + static int i = 0; + int ret = 0, failed = 0; if (writecnt > 65536 || readcnt > 65536) return SPI_INVALID_LENGTH; - /* buf is not used for the response from the chip. */ - bufsize = max(writecnt + 9, 260 + 9); - /* Never shrink. realloc() calls are expensive. */ - if (!buf || bufsize > oldbufsize) { - buf = realloc(buf, bufsize); + if (!buf) { + /* set buf size to hardware buffer size of ftdi*/ + buf = realloc(buf, 4096); if (!buf) { msg_perr("Out of memory!\n"); /* TODO: What to do with buf? */ return SPI_GENERIC_ERROR; } - oldbufsize = bufsize; } /* * Minimize USB transfers by packing as many commands as possible - * together. If we're not expecting to read, we can assert CS#, write, - * and deassert CS# all in one shot. If reading, we do three separate - * operations. + * together. We can assert CS#, write, (read,) + * and deassert CS# all in one shot. */ msg_pspew("Assert CS#\n"); buf[i++] = SET_BITS_LOW; @@ -506,44 +504,44 @@ i += writecnt; } - /* - * Optionally terminate this batch of commands with a - * read command, then do the fetch of the results. - */ + /* A optionally read command */ if (readcnt) { buf[i++] = MPSSE_DO_READ; buf[i++] = (readcnt - 1) & 0xff; buf[i++] = ((readcnt - 1) >> 8) & 0xff; - ret = send_buf(ftdic, buf, i); - failed = ret; - /* We can't abort here, we still have to deassert CS#. */ - if (ret) - msg_perr("send_buf failed before read: %i\n", ret); - i = 0; - if (ret == 0) { - /* - * FIXME: This is unreliable. There's no guarantee that - * we read the response directly after sending the read - * command. We may be scheduled out etc. - */ - ret = get_buf(ftdic, readarr, readcnt); - failed |= ret; - /* We can't abort here either. */ - if (ret) - msg_perr("get_buf failed: %i\n", ret); - } } msg_pspew("De-assert CS#\n"); buf[i++] = SET_BITS_LOW; buf[i++] = cs_bits; buf[i++] = pindir; - ret = send_buf(ftdic, buf, i); - failed |= ret; - if (ret) - msg_perr("send_buf failed at end: %i\n", ret); - return failed ? -1 : 0; + if (writearr[0] == JEDEC_WREN) { + /* Return to get second op (Program or Erase) without resetting buf nor i*/ + return 0; + } else { + ret = send_buf(ftdic, buf, i); + failed |= ret; + if (ret) + msg_perr("send_buf failed: %i\n", ret); + i = 0; + + if (readcnt) { + if (ret == 0) { + /* + * FIXME: This is unreliable. There's no guarantee that + * we read the response directly after sending the read + * command. We may be scheduled out etc. + */ + ret = get_buf(ftdic, readarr, readcnt); + failed |= ret; + /* We can't abort here either. */ + if (ret) + msg_perr("get_buf failed: %i\n", ret); + } + } + return failed ? -1 : 0; + } } #endif -- To view, visit https://review.coreboot.org/c/flashrom/+/40748 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: flashrom Gerrit-Branch: master Gerrit-Change-Id: I3f76da3dd0124a0deec7f937dbc4b7dc488c8004 Gerrit-Change-Number: 40748 Gerrit-PatchSet: 1 Gerrit-Owner: Simon Buhrow Gerrit-MessageType: newchange

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