diff options
author | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-08-22 09:22:38 +0000 |
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committer | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-08-22 09:22:38 +0000 |
commit | deae75dd41e4f9b87478c9d4d5b1044e08d2eb8b (patch) | |
tree | 3533b1379072faccc47a8e2438c1c81bb4132ef1 /tools | |
parent | 6c9f5a1b100e6ace79838ca3a5aa492dd6e789f8 (diff) |
[tools] tools/firmware-utils/ptgen option to use MB rounding
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33218 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'tools')
-rw-r--r-- | tools/firmware-utils/src/ptgen.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/tools/firmware-utils/src/ptgen.c b/tools/firmware-utils/src/ptgen.c index d94aabb5f..0247fd013 100644 --- a/tools/firmware-utils/src/ptgen.c +++ b/tools/firmware-utils/src/ptgen.c @@ -56,6 +56,7 @@ int verbose = 0; int active = 1; int heads = -1; int sectors = -1; +int kb_align = 0; struct partinfo parts[4]; char *filename = NULL; @@ -117,6 +118,11 @@ static inline unsigned long round_to_cyl(long sect) { return sect + cyl_size - (sect % cyl_size); } +/* round the sector number up to the kb_align boundary */ +static inline unsigned long round_to_kb(long sect) { + return ((sect - 1) / kb_align + 1) * kb_align; +} + /* check the partition sizes and write the partition table */ static int gen_ptable(int nr) { @@ -132,8 +138,13 @@ static int gen_ptable(int nr) } pte[i].active = ((i + 1) == active) ? 0x80 : 0; pte[i].type = parts[i].type; - pte[i].start = cpu_to_le16(start = sect + sectors); - sect = round_to_cyl(start + parts[i].size * 2); + start = sect + sectors; + if (kb_align != 0) + start = round_to_kb(start); + pte[i].start = cpu_to_le16(start); + sect = start + parts[i].size * 2; + if (kb_align == 0) + sect = round_to_cyl(sect); pte[i].length = cpu_to_le16(len = sect - start); to_chs(start, pte[i].chs_start); to_chs(start + len - 1, pte[i].chs_end); @@ -167,7 +178,7 @@ fail: static void usage(char *prog) { - fprintf(stderr, "Usage: %s [-v] -h <heads> -s <sectors> -o <outputfile> [-a 0..4] [[-t <type>] -p <size>...] \n", prog); + fprintf(stderr, "Usage: %s [-v] -h <heads> -s <sectors> -o <outputfile> [-a 0..4] [-l <align kB>] [[-t <type>] -p <size>...] \n", prog); exit(1); } @@ -177,7 +188,7 @@ int main (int argc, char **argv) int ch; int part = 0; - while ((ch = getopt(argc, argv, "h:s:p:a:t:o:v")) != -1) { + while ((ch = getopt(argc, argv, "h:s:p:a:t:o:vl:")) != -1) { switch (ch) { case 'o': filename = optarg; @@ -207,6 +218,9 @@ int main (int argc, char **argv) if ((active < 0) || (active > 4)) active = 0; break; + case 'l': + kb_align = (int) strtoul(optarg, NULL, 0) * 2; + break; case '?': default: usage(argv[0]); |