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62 lines
2.4 KiB
Diff
62 lines
2.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Eric Snowberg <eric.snowberg@oracle.com>
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Date: Mon, 26 Feb 2018 17:34:20 -0800
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Subject: [PATCH] sparc64: #blocks64 disk node method
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Return the 64bit number of blocks of storage associated with the device or
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instance. Where a "block" is a unit of storage consisting of the number of
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bytes returned by the package's "block-size" method. If the size cannot be
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determined, or if the number of blocks exceeds the range return -1.
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Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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---
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grub-core/kern/sparc64/ieee1275/ieee1275.c | 25 +++++++++++++++++++++++++
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include/grub/sparc64/ieee1275/ieee1275.h | 1 +
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2 files changed, 26 insertions(+)
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diff --git a/grub-core/kern/sparc64/ieee1275/ieee1275.c b/grub-core/kern/sparc64/ieee1275/ieee1275.c
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index 67933a45b35..5a59aaf0619 100644
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--- a/grub-core/kern/sparc64/ieee1275/ieee1275.c
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+++ b/grub-core/kern/sparc64/ieee1275/ieee1275.c
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@@ -120,3 +120,28 @@ grub_ieee1275_num_blocks (grub_ieee1275_ihandle_t ihandle)
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return args.blocks;
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}
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+
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+grub_uint64_t
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+grub_ieee1275_num_blocks64 (grub_ieee1275_ihandle_t ihandle)
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+{
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+ struct nblocks_args_ieee1275
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+ {
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+ struct grub_ieee1275_common_hdr common;
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+ grub_ieee1275_cell_t method;
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+ grub_ieee1275_cell_t ihandle;
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+ grub_ieee1275_cell_t catch_result;
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+ grub_ieee1275_cell_t hi_blocks;
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+ grub_ieee1275_cell_t lo_blocks;
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+ }
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+ args;
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+
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+ INIT_IEEE1275_COMMON (&args.common, "call-method", 2, 3);
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+ args.method = (grub_ieee1275_cell_t) "#blocks64";
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+ args.ihandle = ihandle;
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+ args.catch_result = 1;
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+
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+ if ((IEEE1275_CALL_ENTRY_FN (&args) == -1) || (args.catch_result != 0))
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+ return -1;
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+
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+ return ((args.hi_blocks << 32) | (args.lo_blocks));
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+}
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diff --git a/include/grub/sparc64/ieee1275/ieee1275.h b/include/grub/sparc64/ieee1275/ieee1275.h
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index 2ddf44d41df..4b18468d8d6 100644
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--- a/include/grub/sparc64/ieee1275/ieee1275.h
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+++ b/include/grub/sparc64/ieee1275/ieee1275.h
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@@ -43,6 +43,7 @@ extern int EXPORT_FUNC(grub_ieee1275_alloc_physmem) (grub_addr_t *paddr,
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grub_size_t size,
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grub_uint32_t align);
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extern grub_uint64_t EXPORT_FUNC(grub_ieee1275_num_blocks) (grub_uint32_t ihandle);
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+extern grub_uint64_t EXPORT_FUNC(grub_ieee1275_num_blocks64) (grub_uint32_t ihandle);
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extern grub_addr_t EXPORT_VAR (grub_ieee1275_original_stack);
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