| # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later |
| |
| # Derived from automatically generated HostBoot rom_entry.S |
| |
| #include <asm-utils.h> |
| #include <processor.h> |
| |
| # Updated hostboot location is src/securerom/rom_entry.S. |
| # This also has a fix for TOC save frame pointer. |
| |
| #include <stack.h> |
| |
| .section .text |
| |
| .global __cvc_verify_v1 |
| .global __cvc_sha512_v1 |
| |
| __cvc_verify_v1: |
| __cvc_sha512_v1: |
| |
| call_rom_entry: |
| mflr %r0 |
| std %r0, 16(%r1) |
| stdu %r1, -128(%r1) |
| std %r2, STACK_TOC_OFFSET(%r1) |
| li %r2, 0 |
| mtctr %r3 |
| mr %r3, %r4 |
| mr %r4, %r5 |
| mr %r5, %r6 |
| mr %r6, %r7 |
| mr %r7, %r8 |
| #if HAVE_BIG_ENDIAN |
| bctrl |
| #else |
| bl $+4 |
| 1: mflr %r9 |
| addi %r9,%r9,2f - 1b |
| mtspr SPR_HSRR0, %r9 |
| mfmsr %r9 |
| xori %r9,%r9,MSR_LE |
| mtspr SPR_HSRR1, %r9 |
| hrfid |
| 2: .long 0x2104804e /* bctrl */ |
| FIXUP_ENDIAN |
| #endif |
| ld %r2, STACK_TOC_OFFSET(%r1) |
| addi %r1, %r1, 128 |
| ld %r0, 16(%r1) |
| mtlr %r0 |
| blr |
| |
