mirror of
https://src.fedoraproject.org/rpms/grub2.git
synced 2024-12-01 00:48:18 +00:00
118 lines
4.4 KiB
Diff
118 lines
4.4 KiB
Diff
From 289cc5b04163f9443f5396e3a951f5e940a18925 Mon Sep 17 00:00:00 2001
|
|
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
|
|
Date: Fri, 19 Apr 2013 15:27:09 +0200
|
|
Subject: [PATCH 329/482] * grub-core/kern/ieee1275/init.c
|
|
(grub_claim_heap): Improve handling of GRUB_IEEE1275_FLAG_FORCE_CLAIM.
|
|
* grub-core/loader/powerpc/ieee1275/linux.c (grub_linux_claimmap_iterate):
|
|
Handle GRUB_IEEE1275_FLAG_FORCE_CLAIM.
|
|
|
|
---
|
|
ChangeLog | 7 +++++++
|
|
grub-core/kern/ieee1275/init.c | 5 +++--
|
|
grub-core/lib/ieee1275/relocator.c | 4 ++--
|
|
grub-core/loader/powerpc/ieee1275/linux.c | 14 ++++++++++++++
|
|
include/grub/ieee1275/ieee1275.h | 8 ++++++++
|
|
5 files changed, 34 insertions(+), 4 deletions(-)
|
|
|
|
diff --git a/ChangeLog b/ChangeLog
|
|
index 488be60..3e606cb 100644
|
|
--- a/ChangeLog
|
|
+++ b/ChangeLog
|
|
@@ -1,5 +1,12 @@
|
|
2013-04-19 Vladimir Serbinenko <phcoder@gmail.com>
|
|
|
|
+ * grub-core/kern/ieee1275/init.c (grub_claim_heap): Improve handling
|
|
+ of GRUB_IEEE1275_FLAG_FORCE_CLAIM.
|
|
+ * grub-core/loader/powerpc/ieee1275/linux.c
|
|
+ (grub_linux_claimmap_iterate): Handle GRUB_IEEE1275_FLAG_FORCE_CLAIM.
|
|
+
|
|
+2013-04-19 Vladimir Serbinenko <phcoder@gmail.com>
|
|
+
|
|
* grub-core/kern/ieee1275/cmain.c (grub_ieee1275_find_options):
|
|
Look for /boot-rom as well as /rom/boot-rom.
|
|
|
|
diff --git a/grub-core/kern/ieee1275/init.c b/grub-core/kern/ieee1275/init.c
|
|
index 391a734..ce8eadb 100644
|
|
--- a/grub-core/kern/ieee1275/init.c
|
|
+++ b/grub-core/kern/ieee1275/init.c
|
|
@@ -225,8 +225,9 @@ grub_claim_heap (void)
|
|
{
|
|
unsigned long total = 0;
|
|
|
|
- if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_CANNOT_INTERPRET))
|
|
- heap_init (HEAP_MAX_ADDR - HEAP_MIN_SIZE, HEAP_MIN_SIZE, 1, &total);
|
|
+ if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_FORCE_CLAIM))
|
|
+ heap_init (GRUB_IEEE1275_STATIC_HEAP_START, GRUB_IEEE1275_STATIC_HEAP_LEN,
|
|
+ 1, &total);
|
|
else
|
|
grub_machine_mmap_iterate (heap_init, &total);
|
|
}
|
|
diff --git a/grub-core/lib/ieee1275/relocator.c b/grub-core/lib/ieee1275/relocator.c
|
|
index f6ecadd..c6dd8fa 100644
|
|
--- a/grub-core/lib/ieee1275/relocator.c
|
|
+++ b/grub-core/lib/ieee1275/relocator.c
|
|
@@ -38,7 +38,7 @@ grub_relocator_firmware_get_max_events (void)
|
|
{
|
|
int counter = 0;
|
|
|
|
- if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_CANNOT_INTERPRET))
|
|
+ if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_FORCE_CLAIM))
|
|
return 0;
|
|
grub_machine_mmap_iterate (count, &counter);
|
|
return 2 * counter;
|
|
@@ -92,7 +92,7 @@ grub_relocator_firmware_fill_events (struct grub_relocator_mmap_event *events)
|
|
.counter = 0
|
|
};
|
|
|
|
- if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_CANNOT_INTERPRET))
|
|
+ if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_FORCE_CLAIM))
|
|
return 0;
|
|
grub_machine_mmap_iterate (grub_relocator_firmware_fill_events_iter, &ctx);
|
|
return ctx.counter;
|
|
diff --git a/grub-core/loader/powerpc/ieee1275/linux.c b/grub-core/loader/powerpc/ieee1275/linux.c
|
|
index 3356d51..4a14f66 100644
|
|
--- a/grub-core/loader/powerpc/ieee1275/linux.c
|
|
+++ b/grub-core/loader/powerpc/ieee1275/linux.c
|
|
@@ -111,6 +111,20 @@ grub_linux_claimmap_iterate (grub_addr_t target, grub_size_t size,
|
|
.found_addr = (grub_addr_t) -1
|
|
};
|
|
|
|
+ if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_FORCE_CLAIM))
|
|
+ {
|
|
+ grub_uint64_t addr = target;
|
|
+ if (addr < GRUB_IEEE1275_STATIC_HEAP_START
|
|
+ + GRUB_IEEE1275_STATIC_HEAP_LEN)
|
|
+ addr = GRUB_IEEE1275_STATIC_HEAP_START
|
|
+ + GRUB_IEEE1275_STATIC_HEAP_LEN;
|
|
+ addr = ALIGN_UP (addr, align);
|
|
+ if (grub_claimmap (addr, size) == GRUB_ERR_NONE)
|
|
+ return addr;
|
|
+ return (grub_addr_t) -1;
|
|
+ }
|
|
+
|
|
+
|
|
grub_machine_mmap_iterate (alloc_mem, &ctx);
|
|
|
|
return ctx.found_addr;
|
|
diff --git a/include/grub/ieee1275/ieee1275.h b/include/grub/ieee1275/ieee1275.h
|
|
index 1e8ba6f..1b240d3 100644
|
|
--- a/include/grub/ieee1275/ieee1275.h
|
|
+++ b/include/grub/ieee1275/ieee1275.h
|
|
@@ -78,6 +78,14 @@ extern grub_ieee1275_phandle_t EXPORT_VAR(grub_ieee1275_chosen);
|
|
extern grub_ieee1275_ihandle_t EXPORT_VAR(grub_ieee1275_mmu);
|
|
extern int (* EXPORT_VAR(grub_ieee1275_entry_fn)) (void *);
|
|
|
|
+/* Static heap, used only if FORCE_CLAIM is set,
|
|
+ happens on Open Hack'Ware. Should be in platform-specific
|
|
+ header but is used only on PPC anyway.
|
|
+*/
|
|
+#define GRUB_IEEE1275_STATIC_HEAP_START 0x1000000
|
|
+#define GRUB_IEEE1275_STATIC_HEAP_LEN 0x1000000
|
|
+
|
|
+
|
|
enum grub_ieee1275_flag
|
|
{
|
|
/* Old World Macintosh firmware fails seek when "dev:0" is opened. */
|
|
--
|
|
1.8.2.1
|
|
|