forked from pool/grub2
34d48ebe82
- Build GRUB2 for ppc64le as LittleEndian and 64bit - Fix timeout issue on ppc64le (bnc#869166) - Add powerpc-utils requires to grub2-powerpc-ieee1275 - added patches: * grub2-ppc64-build-ppc64-32bit.patch * grub2-ppc64-qemu.patch * grub2-ppc64le-01-Add-Little-Endian-support-for-Power64-to-the-build.patch * grub2-ppc64le-02-Build-grub-as-O1-until-we-add-savegpr-and-restgpr-ro.patch * grub2-ppc64le-03-disable-creation-of-vsx-and-altivec-instructions.patch * grub2-ppc64le-04-powerpc64-LE-s-linker-knows-how-to-handle-the-undefi.patch * grub2-ppc64le-05-grub-install-can-now-recognize-and-install-a-LE-grub.patch * grub2-ppc64le-06-set-the-ABI-version-to-0x02-in-the-e_flag-of-the-PPC.patch * grub2-ppc64le-07-Add-IEEE1275_ADDR-helper.patch * grub2-ppc64le-08-Fix-some-more-warnings-when-casting.patch * grub2-ppc64le-09-Add-powerpc64-types.patch * grub2-ppc64le-10-powerpc64-is-not-necessarily-BigEndian-anymore.patch * grub2-ppc64le-11-Fix-warnings-when-building-powerpc-linux-loader-64bi.patch * grub2-ppc64le-12-GRUB_ELF_R_PPC_-processing-is-applicable-only-for-32.patch * grub2-ppc64le-13-Fix-powerpc-setjmp-longjmp-64bit-issues.patch * grub2-ppc64le-14-Add-powerpc64-ieee1275-trampoline.patch * grub2-ppc64le-15-Add-64bit-support-to-powerpc-startup-code.patch * grub2-ppc64le-16-Add-grub_dl_find_section_addr.patch * grub2-ppc64le-17-Add-ppc64-relocations.patch * grub2-ppc64le-18-ppc64-doesn-t-need-libgcc-routines.patch * grub2-ppc64le-19-Use-FUNC_START-FUNC_END-for-powerpc-function-definit.patch * grub2-ppc64le-20-.TOC.-symbol-is-special-in-ppc64le-.-It-maps-to-the-.patch * grub2-ppc64le-21-the-.toc-section-in-powerpc64le-modules-are-sometime.patch * grub2-ppc64le-22-all-parameter-to-firmware-calls-should-to-be-BigEndi.patch * grub2-ppc64le-23-grub-segfaults-if-initrd-is-specified-before-specify.patch * grub2-ppc64le-timeout.patch (forwarded request 229655 from k0da) OBS-URL: https://build.opensuse.org/request/show/229673 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/grub2?expand=0&rev=89
73 lines
2.2 KiB
Diff
73 lines
2.2 KiB
Diff
From 303109b36a45f53400cbcdaf2ad90ca5790ce1d6 Mon Sep 17 00:00:00 2001
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From: Anton Blanchard <anton@samba.org>
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Date: Wed, 29 Jan 2014 10:41:29 +1100
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Subject: [PATCH 15/23] Add 64bit support to powerpc startup code
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Add 64bit support to powerpc startup code
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From: Anton Blanchard <anton@samba.org>
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Signed-off-by: Ram Pai <linuxram@us.ibm.com>
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---
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grub-core/kern/powerpc/ieee1275/startup.S | 33 +++++++++++++++++++++++++++----
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1 file changed, 29 insertions(+), 4 deletions(-)
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diff --git a/grub-core/kern/powerpc/ieee1275/startup.S b/grub-core/kern/powerpc/ieee1275/startup.S
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index 21c884b..03f80d8 100644
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--- a/grub-core/kern/powerpc/ieee1275/startup.S
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+++ b/grub-core/kern/powerpc/ieee1275/startup.S
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@@ -19,15 +19,28 @@
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#include <grub/symbol.h>
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#include <grub/offsets.h>
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+#include <ppc-asm.h>
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.extern __bss_start
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.extern _end
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.text
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- .align 2
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- .globl start, _start
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-start:
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-_start:
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+
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+FUNC_START(_start)
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+
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+#if defined(_CALL_ELF) && _CALL_ELF == 2 /* LITTLE ENDIAN */
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+ tdi 0,0,0x48 /* Reverse endian of b . + 8 */
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+ b $+36 /* Skip trampoline if already LE mode */
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+ .long 0x05009f42 /* bcl 20,31,$+4 */
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+ .long 0xa602487d /* mflr r10 */
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+ .long 0x1c004a39 /* addi r10,r10,28 */
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+ .long 0xa600607d /* mfmsr r11 */
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+ .long 0x01006b69 /* xori r11,r11,1 */
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+ .long 0xa6035a7d /* mtsrr0 r10 */
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+ .long 0xa6037b7d /* mtsrr1 r11 */
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+ .long 0x2400004c /* rfid */
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+#endif
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+
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li 2, 0
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li 13, 0
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@@ -61,7 +74,19 @@ _start:
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/* Store r5 in grub_ieee1275_entry_fn. */
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lis 9, grub_ieee1275_entry_fn@ha
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+#if defined(_CALL_ELF) && _CALL_ELF == 1 /* BIG ENDIAN */
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+ std 5, grub_ieee1275_entry_fn@l(9)
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+#else
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stw 5, grub_ieee1275_entry_fn@l(9)
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+#endif
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+
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+#if defined(_CALL_ELF) && _CALL_ELF == 2 /* LITTLE ENDIAN */
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+ bl 3f
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+3: mflr 9
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+ addis 2,9,.TOC.-3b@ha
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+ addi 2,2,.TOC.-3b@l
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+#endif
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bl grub_main
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1: b 1b
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+FUNC_END(_start)
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--
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1.8.3.1
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