diff options
Diffstat (limited to 'common/memory_display.c')
| -rw-r--r-- | common/memory_display.c | 70 |
1 files changed, 51 insertions, 19 deletions
diff --git a/common/memory_display.c b/common/memory_display.c index ea91985e5d..cd0eadf88d 100644 --- a/common/memory_display.c +++ b/common/memory_display.c @@ -4,10 +4,21 @@ #define DISP_LINE_LEN 16 -int memory_display(const void *addr, loff_t offs, unsigned nbytes, int size, int swab) + +int __pr_memory_display(int level, const void *addr, loff_t offs, unsigned nbytes, + int size, int swab, const char *fmt, ...) { unsigned long linebytes, i; unsigned char *cp; + unsigned char line[sizeof("00000000: 0000 0000 0000 0000 0000 0000 0000 0000 ................")]; + struct va_format vaf; + int ret; + va_list args; + + va_start(args, fmt); + + vaf.fmt = fmt; + vaf.va = &args; /* Print the lines. * @@ -20,9 +31,9 @@ int memory_display(const void *addr, loff_t offs, unsigned nbytes, int size, int uint32_t *uip = (uint32_t *)linebuf; uint16_t *usp = (uint16_t *)linebuf; uint8_t *ucp = (uint8_t *)linebuf; - unsigned count = 52; + unsigned char *pos = line; - printf("%08llx:", offs); + pos += sprintf(pos, "%08llx:", offs); linebytes = (nbytes > DISP_LINE_LEN) ? DISP_LINE_LEN : nbytes; for (i = 0; i < linebytes; i += size) { @@ -34,9 +45,9 @@ int memory_display(const void *addr, loff_t offs, unsigned nbytes, int size, int res = __swab64(res); if (data_abort_unmask()) { res = 0xffffffffffffffffULL; - count -= printf(" xxxxxxxxxxxxxxxx"); + pos += sprintf(pos, " xxxxxxxxxxxxxxxx"); } else { - count -= printf(" %016llx", res); + pos += sprintf(pos, " %016llx", res); } *ullp++ = res; } else if (size == 4) { @@ -47,9 +58,9 @@ int memory_display(const void *addr, loff_t offs, unsigned nbytes, int size, int res = __swab32(res); if (data_abort_unmask()) { res = 0xffffffff; - count -= printf(" xxxxxxxx"); + pos += sprintf(pos, " xxxxxxxx"); } else { - count -= printf(" %08x", res); + pos += sprintf(pos, " %08x", res); } *uip++ = res; } else if (size == 2) { @@ -58,22 +69,26 @@ int memory_display(const void *addr, loff_t offs, unsigned nbytes, int size, int res = *((uint16_t *)addr); if (swab) res = __swab16(res); + if (i > 1 && i % 8 == 0) + pos += sprintf(pos, " "); if (data_abort_unmask()) { res = 0xffff; - count -= printf(" xxxx"); + pos += sprintf(pos, " xxxx"); } else { - count -= printf(" %04x", res); + pos += sprintf(pos, " %04x", res); } *usp++ = res; } else { uint8_t res; data_abort_mask(); res = *((uint8_t *)addr); + if (i > 1 && i % 8 == 0) + pos += sprintf(pos, " "); if (data_abort_unmask()) { res = 0xff; - count -= printf(" xx"); + pos += sprintf(pos, " xx"); } else { - count -= printf(" %02x", res); + pos += sprintf(pos, " %02x", res); } *ucp++ = res; } @@ -81,23 +96,40 @@ int memory_display(const void *addr, loff_t offs, unsigned nbytes, int size, int offs += size; } - while (count--) - putchar(' '); + pos += sprintf(pos, "%*s", 61 - (pos - line), ""); cp = linebuf; for (i = 0; i < linebytes; i++) { if ((*cp < 0x20) || (*cp > 0x7e)) - putchar('.'); + sprintf(pos, "."); else - printf("%c", *cp); + sprintf(pos, "%c", *cp); + pos++; cp++; } - putchar('\n'); + if (level >= MSG_EMERG) + pr_print(level, "%pV%s\n", &vaf, line); + else + printf("%s\n", line); + nbytes -= linebytes; - if (ctrlc()) - return -EINTR; + if (ctrlc()) { + ret = -EINTR; + goto out; + } + } while (nbytes > 0); - return 0; + va_end(args); + ret = 0; +out: + + return ret; } + +int memory_display(const void *addr, loff_t offs, unsigned nbytes, + int size, int swab) +{ + return pr_memory_display(-1, addr, offs, nbytes, size, swab); +}
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