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From: AKASHI Takahiro <takahiro.akashi@linaro.org>
To: catalin.marinas@arm.com, will.deacon@arm.com,
	dhowells@redhat.com, vgoyal@redhat.com,
	herbert@gondor.apana.org.au, davem@davemloft.net,
	dyoung@redhat.com, bhe@redhat.com, arnd@arndb.de,
	schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com
Cc: prudo@linux.ibm.com, ard.biesheuvel@linaro.org,
	james.morse@arm.com, bhsharma@redhat.com,
	kexec@lists.infradead.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	AKASHI Takahiro <takahiro.akashi@linaro.org>
Subject: [PATCH v14 07/16] arm64: add image head flag definitions
Date: Fri,  7 Sep 2018 17:00:31 +0900	[thread overview]
Message-ID: <20180907080040.4967-2-takahiro.akashi@linaro.org> (raw)
In-Reply-To: <20180907080040.4967-1-takahiro.akashi@linaro.org>

Those image head's flags will be used later by kexec_file loader.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Acked-by: James Morse <james.morse@arm.com>
---
 arch/arm64/include/asm/boot.h | 15 +++++++++++++++
 arch/arm64/kernel/head.S      |  2 +-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/include/asm/boot.h b/arch/arm64/include/asm/boot.h
index 355e552a9175..0bab7eed3012 100644
--- a/arch/arm64/include/asm/boot.h
+++ b/arch/arm64/include/asm/boot.h
@@ -5,6 +5,21 @@
 
 #include <asm/sizes.h>
 
+#define ARM64_MAGIC		"ARM\x64"
+
+#define HEAD_FLAG_BE_SHIFT		0
+#define HEAD_FLAG_PAGE_SIZE_SHIFT	1
+#define HEAD_FLAG_BE_MASK		0x1
+#define HEAD_FLAG_PAGE_SIZE_MASK	0x3
+
+#define HEAD_FLAG_BE			1
+#define HEAD_FLAG_PAGE_SIZE_4K		1
+#define HEAD_FLAG_PAGE_SIZE_16K		2
+#define HEAD_FLAG_PAGE_SIZE_64K		3
+
+#define head_flag_field(flags, field) \
+		(((flags) >> field##_SHIFT) & field##_MASK)
+
 /*
  * arm64 requires the DTB to be 8 byte aligned and
  * not exceed 2MB in size.
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index b0853069702f..8cbac6232ed1 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -91,7 +91,7 @@ _head:
 	.quad	0				// reserved
 	.quad	0				// reserved
 	.quad	0				// reserved
-	.ascii	"ARM\x64"			// Magic number
+	.ascii	ARM64_MAGIC			// Magic number
 #ifdef CONFIG_EFI
 	.long	pe_header - _head		// Offset to the PE header.
 
-- 
2.18.0


WARNING: multiple messages have this Message-ID (diff)
From: takahiro.akashi@linaro.org (AKASHI Takahiro)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v14 07/16] arm64: add image head flag definitions
Date: Fri,  7 Sep 2018 17:00:31 +0900	[thread overview]
Message-ID: <20180907080040.4967-2-takahiro.akashi@linaro.org> (raw)
In-Reply-To: <20180907080040.4967-1-takahiro.akashi@linaro.org>

Those image head's flags will be used later by kexec_file loader.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Acked-by: James Morse <james.morse@arm.com>
---
 arch/arm64/include/asm/boot.h | 15 +++++++++++++++
 arch/arm64/kernel/head.S      |  2 +-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/include/asm/boot.h b/arch/arm64/include/asm/boot.h
index 355e552a9175..0bab7eed3012 100644
--- a/arch/arm64/include/asm/boot.h
+++ b/arch/arm64/include/asm/boot.h
@@ -5,6 +5,21 @@
 
 #include <asm/sizes.h>
 
+#define ARM64_MAGIC		"ARM\x64"
+
+#define HEAD_FLAG_BE_SHIFT		0
+#define HEAD_FLAG_PAGE_SIZE_SHIFT	1
+#define HEAD_FLAG_BE_MASK		0x1
+#define HEAD_FLAG_PAGE_SIZE_MASK	0x3
+
+#define HEAD_FLAG_BE			1
+#define HEAD_FLAG_PAGE_SIZE_4K		1
+#define HEAD_FLAG_PAGE_SIZE_16K		2
+#define HEAD_FLAG_PAGE_SIZE_64K		3
+
+#define head_flag_field(flags, field) \
+		(((flags) >> field##_SHIFT) & field##_MASK)
+
 /*
  * arm64 requires the DTB to be 8 byte aligned and
  * not exceed 2MB in size.
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index b0853069702f..8cbac6232ed1 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -91,7 +91,7 @@ _head:
 	.quad	0				// reserved
 	.quad	0				// reserved
 	.quad	0				// reserved
-	.ascii	"ARM\x64"			// Magic number
+	.ascii	ARM64_MAGIC			// Magic number
 #ifdef CONFIG_EFI
 	.long	pe_header - _head		// Offset to the PE header.
 
-- 
2.18.0

WARNING: multiple messages have this Message-ID (diff)
From: AKASHI Takahiro <takahiro.akashi@linaro.org>
To: catalin.marinas@arm.com, will.deacon@arm.com,
	dhowells@redhat.com, vgoyal@redhat.com,
	herbert@gondor.apana.org.au, davem@davemloft.net,
	dyoung@redhat.com, bhe@redhat.com, arnd@arndb.de,
	schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com
Cc: ard.biesheuvel@linaro.org, bhsharma@redhat.com,
	kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
	prudo@linux.ibm.com, AKASHI Takahiro <takahiro.akashi@linaro.org>,
	james.morse@arm.com, linux-arm-kernel@lists.infradead.org
Subject: [PATCH v14 07/16] arm64: add image head flag definitions
Date: Fri,  7 Sep 2018 17:00:31 +0900	[thread overview]
Message-ID: <20180907080040.4967-2-takahiro.akashi@linaro.org> (raw)
In-Reply-To: <20180907080040.4967-1-takahiro.akashi@linaro.org>

Those image head's flags will be used later by kexec_file loader.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Acked-by: James Morse <james.morse@arm.com>
---
 arch/arm64/include/asm/boot.h | 15 +++++++++++++++
 arch/arm64/kernel/head.S      |  2 +-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/include/asm/boot.h b/arch/arm64/include/asm/boot.h
index 355e552a9175..0bab7eed3012 100644
--- a/arch/arm64/include/asm/boot.h
+++ b/arch/arm64/include/asm/boot.h
@@ -5,6 +5,21 @@
 
 #include <asm/sizes.h>
 
+#define ARM64_MAGIC		"ARM\x64"
+
+#define HEAD_FLAG_BE_SHIFT		0
+#define HEAD_FLAG_PAGE_SIZE_SHIFT	1
+#define HEAD_FLAG_BE_MASK		0x1
+#define HEAD_FLAG_PAGE_SIZE_MASK	0x3
+
+#define HEAD_FLAG_BE			1
+#define HEAD_FLAG_PAGE_SIZE_4K		1
+#define HEAD_FLAG_PAGE_SIZE_16K		2
+#define HEAD_FLAG_PAGE_SIZE_64K		3
+
+#define head_flag_field(flags, field) \
+		(((flags) >> field##_SHIFT) & field##_MASK)
+
 /*
  * arm64 requires the DTB to be 8 byte aligned and
  * not exceed 2MB in size.
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index b0853069702f..8cbac6232ed1 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -91,7 +91,7 @@ _head:
 	.quad	0				// reserved
 	.quad	0				// reserved
 	.quad	0				// reserved
-	.ascii	"ARM\x64"			// Magic number
+	.ascii	ARM64_MAGIC			// Magic number
 #ifdef CONFIG_EFI
 	.long	pe_header - _head		// Offset to the PE header.
 
-- 
2.18.0


_______________________________________________
kexec mailing list
kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec

  reply	other threads:[~2018-09-07  8:00 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-07  8:00 [PATCH v14 06/16] of/fdt: add helper functions for handling properties AKASHI Takahiro
2018-09-07  8:00 ` AKASHI Takahiro
2018-09-07  8:00 ` AKASHI Takahiro
2018-09-07  8:00 ` AKASHI Takahiro [this message]
2018-09-07  8:00   ` [PATCH v14 07/16] arm64: add image head flag definitions AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00 ` [PATCH v14 08/16] arm64: cpufeature: add MMFR0 helper functions AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00 ` [PATCH v14 09/16] arm64: enable KEXEC_FILE config AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00 ` [PATCH v14 10/16] arm64: kexec_file: load initrd and device-tree AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00 ` [PATCH v14 11/16] arm64: kexec_file: allow for loading Image-format kernel AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00 ` [PATCH v14 12/16] arm64: kexec_file: add crash dump support AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00 ` [PATCH v14 13/16] arm64: kexec_file: invoke the kernel without purgatory AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00 ` [PATCH v14 14/16] include: pe.h: remove message[] from mz header definition AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00 ` [PATCH v14 15/16] arm64: kexec_file: add kernel signature verification support AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00 ` [PATCH v14 16/16] arm64: kexec_file: add kaslr support AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07  8:00   ` AKASHI Takahiro
2018-09-07 19:53 ` [PATCH v14 06/16] of/fdt: add helper functions for handling properties Frank Rowand
2018-09-07 19:53   ` Frank Rowand
2018-09-07 19:53   ` Frank Rowand
2018-09-10  2:38   ` AKASHI Takahiro
2018-09-10  2:38     ` AKASHI Takahiro
2018-09-10  2:38     ` AKASHI Takahiro
2018-09-14  1:42     ` Frank Rowand
2018-09-14  1:42       ` Frank Rowand
2018-09-14  1:42       ` Frank Rowand
2018-09-14  1:26   ` Frank Rowand
2018-09-14  1:26     ` Frank Rowand
2018-09-14  1:26     ` Frank Rowand
2018-09-14 17:19     ` Frank Rowand
2018-09-14 17:19       ` Frank Rowand
2018-09-14 17:19       ` Frank Rowand
2018-09-26  5:57       ` AKASHI Takahiro
2018-09-26  5:57         ` AKASHI Takahiro
2018-09-26  5:57         ` AKASHI Takahiro
2018-09-26  8:10         ` Frank Rowand
2018-09-26  8:10           ` Frank Rowand
2018-09-26  8:10           ` Frank Rowand

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