1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Entry point for the self-extracting compressed kernel stub. aboot 4 * jumps here with the OSF/1 parameter page (ZERO_PGE) already populated 5 * and $30 set to INIT_STACK, exactly as it would for an uncompressed 6 * vmlinux. 7 */ 8 9#include <linux/init.h> 10#include <asm/pal.h> 11 12 .set noreorder 13 14__HEAD 15 .globl __start 16 .ent __start 17__start: 18 br $29,1f 191: ldgp $29,0($29) 20 21 /* 22 * Clear our own bss. The decompressors keep state there, and 23 * nothing guarantees that aboot zeroed the part of our PT_LOAD 24 * segment that has no file backing. 25 */ 26 lda $1,_bss 27 lda $2,_ebss 282: cmpult $1,$2,$3 29 beq $3,3f 30 stq $31,0($1) 31 addq $1,8,$1 32 br $31,2b 33 343: jsr $26,decompress_and_boot 35 call_pal PAL_halt 36 .end __start 37