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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Daniel Axtens <dja@axtens.net>
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Date: Mon, 6 Sep 2021 15:46:11 +1000
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Subject: [PATCH] powerpc: Drop Open Hack'Ware
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Open Hack'Ware was an alternative firmware of powerpc under QEMU.
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The last commit to any Open Hack'Ware repo I can find is from 2014 [1].
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Open Hack'Ware was used for the QEMU "prep" machine type, which was
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deprecated in QEMU in commit 54c86f5a4844 (hw/ppc: deprecate the
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machine type 'prep', replaced by '40p') in QEMU v3.1, and had reportedly
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been broken for years before without anyone noticing. Support was removed
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in February 2020 by commit b2ce76a0730e (hw/ppc/prep: Remove the
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deprecated "prep" machine and the OpenHackware BIOS).
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Open Hack'Ware's limitations require some messy code in GRUB. This
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complexity is not worth carrying any more.
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Remove detection of Open Hack'Ware. We will clean up the feature flags
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in following commits.
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[1]: https://github.com/qemu/openhackware and
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https://repo.or.cz/w/openhackware.git are QEMU submodules. They have
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only small changes on top of OHW v0.4.1, which was imported into
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QEMU SCM in 2010. I can't find anything resembling an official repo
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any more.
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Signed-off-by: Daniel Axtens <dja@axtens.net>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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(cherry picked from commit f9ce538eec88c5cffbfde021c4e8a95a5e9d0e8f)
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---
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grub-core/kern/ieee1275/cmain.c | 16 ----------------
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1 file changed, 16 deletions(-)
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diff --git a/grub-core/kern/ieee1275/cmain.c b/grub-core/kern/ieee1275/cmain.c
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index dce7b84922..cb42f60ebe 100644
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--- a/grub-core/kern/ieee1275/cmain.c
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+++ b/grub-core/kern/ieee1275/cmain.c
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@@ -49,7 +49,6 @@ grub_ieee1275_find_options (void)
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grub_ieee1275_phandle_t root;
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grub_ieee1275_phandle_t options;
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grub_ieee1275_phandle_t openprom;
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- grub_ieee1275_phandle_t bootrom;
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int rc;
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grub_uint32_t realmode = 0;
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char tmp[256];
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@@ -198,21 +197,6 @@ grub_ieee1275_find_options (void)
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grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_HAS_CURSORONOFF);
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}
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-
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- if (! grub_ieee1275_finddevice ("/rom/boot-rom", &bootrom)
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- || ! grub_ieee1275_finddevice ("/boot-rom", &bootrom))
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- {
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- rc = grub_ieee1275_get_property (bootrom, "model", tmp, sizeof (tmp), 0);
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- if (rc >= 0 && !grub_strncmp (tmp, "PPC Open Hack'Ware",
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- sizeof ("PPC Open Hack'Ware") - 1))
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- {
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- grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_BROKEN_OUTPUT);
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- grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_CANNOT_SET_COLORS);
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- grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_CANNOT_INTERPRET);
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- grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_FORCE_CLAIM);
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- grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_NO_ANSI);
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- }
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- }
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}
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void
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