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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 15:46:12 +1000
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Subject: [PATCH] powerpc: Drop Open Hack'Ware - remove
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GRUB_IEEE1275_FLAG_FORCE_CLAIM
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Open Hack'Ware was the only user. It added a lot of complexity.
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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 333e63b356f1ce833cda1937ed8351618cbdf9d3)
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---
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grub-core/kern/ieee1275/init.c | 6 +-----
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grub-core/lib/ieee1275/relocator.c | 4 ----
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grub-core/loader/powerpc/ieee1275/linux.c | 14 --------------
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include/grub/ieee1275/ieee1275.h | 11 -----------
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4 files changed, 1 insertion(+), 34 deletions(-)
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diff --git a/grub-core/kern/ieee1275/init.c b/grub-core/kern/ieee1275/init.c
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index 0dcd114ce5..6581c2c996 100644
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--- a/grub-core/kern/ieee1275/init.c
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+++ b/grub-core/kern/ieee1275/init.c
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@@ -207,11 +207,7 @@ grub_claim_heap (void)
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{
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unsigned long total = 0;
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- if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_FORCE_CLAIM))
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- heap_init (GRUB_IEEE1275_STATIC_HEAP_START, GRUB_IEEE1275_STATIC_HEAP_LEN,
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- 1, &total);
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- else
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- grub_machine_mmap_iterate (heap_init, &total);
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+ grub_machine_mmap_iterate (heap_init, &total);
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}
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#endif
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diff --git a/grub-core/lib/ieee1275/relocator.c b/grub-core/lib/ieee1275/relocator.c
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index c6dd8facb0..d1bb45c75e 100644
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--- a/grub-core/lib/ieee1275/relocator.c
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+++ b/grub-core/lib/ieee1275/relocator.c
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@@ -38,8 +38,6 @@ grub_relocator_firmware_get_max_events (void)
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{
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int counter = 0;
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- if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_FORCE_CLAIM))
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- return 0;
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grub_machine_mmap_iterate (count, &counter);
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return 2 * counter;
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}
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@@ -92,8 +90,6 @@ grub_relocator_firmware_fill_events (struct grub_relocator_mmap_event *events)
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.counter = 0
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};
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- if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_FORCE_CLAIM))
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- return 0;
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grub_machine_mmap_iterate (grub_relocator_firmware_fill_events_iter, &ctx;;
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return ctx.counter;
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}
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diff --git a/grub-core/loader/powerpc/ieee1275/linux.c b/grub-core/loader/powerpc/ieee1275/linux.c
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index 818b2a86d1..6fdd863130 100644
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--- a/grub-core/loader/powerpc/ieee1275/linux.c
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+++ b/grub-core/loader/powerpc/ieee1275/linux.c
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@@ -111,20 +111,6 @@ grub_linux_claimmap_iterate (grub_addr_t target, grub_size_t size,
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.found_addr = (grub_addr_t) -1
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};
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- if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_FORCE_CLAIM))
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- {
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- grub_uint64_t addr = target;
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- if (addr < GRUB_IEEE1275_STATIC_HEAP_START
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- + GRUB_IEEE1275_STATIC_HEAP_LEN)
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- addr = GRUB_IEEE1275_STATIC_HEAP_START
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- + GRUB_IEEE1275_STATIC_HEAP_LEN;
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- addr = ALIGN_UP (addr, align);
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- if (grub_claimmap (addr, size) == GRUB_ERR_NONE)
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- return addr;
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- return (grub_addr_t) -1;
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- }
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-
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-
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grub_machine_mmap_iterate (alloc_mem, &ctx;;
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return ctx.found_addr;
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diff --git a/include/grub/ieee1275/ieee1275.h b/include/grub/ieee1275/ieee1275.h
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index b5a1d49bbc..6a1d3e5d70 100644
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--- a/include/grub/ieee1275/ieee1275.h
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+++ b/include/grub/ieee1275/ieee1275.h
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@@ -85,14 +85,6 @@ extern grub_ieee1275_ihandle_t EXPORT_VAR(grub_ieee1275_mmu);
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extern int (* EXPORT_VAR(grub_ieee1275_entry_fn)) (void *) GRUB_IEEE1275_ENTRY_FN_ATTRIBUTE;
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-/* Static heap, used only if FORCE_CLAIM is set,
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- happens on Open Hack'Ware. Should be in platform-specific
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- header but is used only on PPC anyway.
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-*/
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-#define GRUB_IEEE1275_STATIC_HEAP_START 0x1000000
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-#define GRUB_IEEE1275_STATIC_HEAP_LEN 0x1000000
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-
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-
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enum grub_ieee1275_flag
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{
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/* Old World Macintosh firmware fails seek when "dev:0" is opened. */
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@@ -119,9 +111,6 @@ enum grub_ieee1275_flag
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/* Open Hack'Ware stops when grub_ieee1275_interpret is used. */
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GRUB_IEEE1275_FLAG_CANNOT_INTERPRET,
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- /* Open Hack'Ware has no memory map, just claim what we need. */
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- GRUB_IEEE1275_FLAG_FORCE_CLAIM,
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-
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/* Open Hack'Ware don't support the ANSI sequence. */
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GRUB_IEEE1275_FLAG_NO_ANSI,
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