realmode/rm/trampoline_common.S

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002     .section ".rodata","a"
0003     .balign 16
0004
0005 /*
0006  * When a bootloader hands off to the kernel in 32-bit mode an
0007  * IDT with a 2-byte limit and 4-byte base is needed. When a boot
0008  * loader hands off to a kernel 64-bit mode the base address
0009  * extends to 8-bytes. Reserve enough space for either scenario.
0010  */
0011 SYM_DATA_START_LOCAL(tr_idt)
0012     .short  0
0013     .quad   0
0014 SYM_DATA_END(tr_idt)