diff options
| -rw-r--r-- | src/vppinfra/format.h | 3 | ||||
| -rw-r--r-- | src/vppinfra/std-formats.c | 31 |
2 files changed, 34 insertions, 0 deletions
diff --git a/src/vppinfra/format.h b/src/vppinfra/format.h index b70384c0e41..d143ecdb6e9 100644 --- a/src/vppinfra/format.h +++ b/src/vppinfra/format.h @@ -305,6 +305,9 @@ u8 *format_c_identifier (u8 * s, va_list * va); /* Format hexdump with both hex and printable chars - compatible with text2pcap */ u8 *format_hexdump (u8 * s, va_list * va); +/* Format bitmap of array of u64 numbers */ +u8 *format_u64_bitmap (u8 *s, va_list *va); + /* Unix specific formats. */ #ifdef CLIB_UNIX /* Setup input from Unix file. */ diff --git a/src/vppinfra/std-formats.c b/src/vppinfra/std-formats.c index 1a150ead7bd..421cb3dda99 100644 --- a/src/vppinfra/std-formats.c +++ b/src/vppinfra/std-formats.c @@ -411,6 +411,37 @@ format_hexdump (u8 * s, va_list * args) return s; } +__clib_export u8 * +format_u64_bitmap (u8 *s, va_list *args) +{ + u64 *bitmap = va_arg (*args, u64 *); + int n_uword = va_arg (*args, int); + u32 indent = format_get_indent (s); + + s = format (s, "%6s", ""); + + for (int i = 60; i >= 0; i -= 4) + s = format (s, "%5d", i); + + vec_add1 (s, '\n'); + + for (int j = n_uword - 1; j >= 0; j--) + { + s = format (s, "%U0x%04x ", format_white_space, indent, j * 8); + for (int i = 63; i >= 0; i--) + { + vec_add1 (s, (1ULL << i) & bitmap[j] ? '1' : '.'); + if (i % 4 == 0) + vec_add1 (s, ' '); + } + s = format (s, "0x%016lx", bitmap[j]); + if (j) + vec_add1 (s, '\n'); + } + + return s; +} + /* * fd.io coding-style-patch-verification: ON * |