From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: barebox@lists.infradead.org
Cc: Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: [PATCH] efi: define extra efi_memory_type flags
Date: Wed, 31 Jul 2024 09:13:21 +0200 [thread overview]
Message-ID: <20240731071321.2557241-1-a.fatoum@pengutronix.de> (raw)
We already define a number of memory types, but we are missing some
bits in-between. Add them for completion's sake.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
include/efi.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/efi.h b/include/efi.h
index a27cbe1f498b..217e3d9f56ff 100644
--- a/include/efi.h
+++ b/include/efi.h
@@ -110,10 +110,16 @@ enum efi_memory_type {
#define EFI_MEMORY_WC ((u64)0x0000000000000002ULL) /* write-coalescing */
#define EFI_MEMORY_WT ((u64)0x0000000000000004ULL) /* write-through */
#define EFI_MEMORY_WB ((u64)0x0000000000000008ULL) /* write-back */
+#define EFI_MEMORY_UCE ((u64)0x0000000000000010ULL) /* uncached, exported */
#define EFI_MEMORY_WP ((u64)0x0000000000001000ULL) /* write-protect */
#define EFI_MEMORY_RP ((u64)0x0000000000002000ULL) /* read-protect */
#define EFI_MEMORY_XP ((u64)0x0000000000004000ULL) /* execute-protect */
+#define EFI_MEMORY_NV ((u64)0x0000000000008000ULL) /* non-volatile */
#define EFI_MEMORY_RUNTIME ((u64)0x8000000000000000ULL) /* range requires runtime mapping */
+#define EFI_MEMORY_MORE_RELIABLE \
+ ((u64)0x0000000000010000ULL) /* higher reliability */
+#define EFI_MEMORY_RO ((u64)0x0000000000020000ULL) /* read-only */
+#define EFI_MEMORY_SP ((u64)0x0000000000040000ULL) /* specific-purpose memory (SPM) */
#define EFI_MEMORY_DESCRIPTOR_VERSION 1
#define EFI_PAGE_SHIFT 12
--
2.39.2
next reply other threads:[~2024-07-31 7:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-31 7:13 Ahmad Fatoum [this message]
2024-08-01 11:30 ` Sascha Hauer
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