mirror of
https://git.proxmox.com/git/efi-boot-shim
synced 2025-06-14 12:49:28 +00:00
2a6ebdae2f
This is mostly for debugging, so it's not a real problem if it's not used right now. I just like having it handy. Signed-off-by: Peter Jones <pjones@redhat.com>
105 lines
2.0 KiB
C
105 lines
2.0 KiB
C
#ifndef STATIC_HEXDUMP_H
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#define STATIC_HEXDUMP_H
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static int
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__attribute__((__unused__))
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isprint(char c)
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{
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if (c < 0x20)
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return 0;
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if (c > 0x7e)
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return 0;
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return 1;
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}
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static UINTN
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__attribute__((__unused__))
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format_hex(UINT8 *data, UINTN size, CHAR16 *buf)
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{
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UINTN sz = (UINTN)data % 16;
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CHAR16 hexchars[] = L"0123456789abcdef";
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int offset = 0;
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UINTN i;
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UINTN j;
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for (i = 0; i < sz; i++) {
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buf[offset++] = L' ';
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buf[offset++] = L' ';
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buf[offset++] = L' ';
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if (i == 7)
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buf[offset++] = L' ';
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}
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for (j = sz; j < 16 && j < size; j++) {
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UINT8 d = data[j-sz];
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buf[offset++] = hexchars[(d & 0xf0) >> 4];
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buf[offset++] = hexchars[(d & 0x0f)];
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if (j != 15)
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buf[offset++] = L' ';
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if (j == 7)
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buf[offset++] = L' ';
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}
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for (i = j; i < 16; i++) {
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buf[offset++] = L' ';
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buf[offset++] = L' ';
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if (i != 15)
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buf[offset++] = L' ';
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if (i == 7)
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buf[offset++] = L' ';
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}
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buf[offset] = L'\0';
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return j - sz;
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}
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static void
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__attribute__((__unused__))
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format_text(UINT8 *data, UINTN size, CHAR16 *buf)
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{
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UINTN sz = (UINTN)data % 16;
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int offset = 0;
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UINTN i;
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UINTN j;
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for (i = 0; i < sz; i++)
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buf[offset++] = L' ';
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buf[offset++] = L'|';
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for (j = sz; j < 16 && j < size; j++) {
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if (isprint(data[j-sz]))
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buf[offset++] = data[j-sz];
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else
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buf[offset++] = L'.';
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}
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buf[offset++] = L'|';
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for (i = j; i < 16; i++)
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buf[offset++] = L' ';
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buf[offset] = L'\0';
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}
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static void
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__attribute__((__unused__))
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hexdump(UINT8 *data, UINTN size)
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{
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UINTN display_offset = (UINTN)data & 0xffffffff;
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UINTN offset = 0;
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//Print(L"hexdump: data=0x%016x size=0x%x\n", data, size);
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while (offset < size) {
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CHAR16 hexbuf[49];
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CHAR16 txtbuf[19];
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UINTN sz;
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sz = format_hex(data+offset, size-offset, hexbuf);
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if (sz == 0)
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return;
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uefi_call_wrapper(BS->Stall, 1, 200000);
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format_text(data+offset, size-offset, txtbuf);
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Print(L"%08x %s %s\n", display_offset, hexbuf, txtbuf);
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uefi_call_wrapper(BS->Stall, 1, 200000);
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display_offset += sz;
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offset += sz;
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}
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}
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#endif
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