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Mon, 1 Jun 2020 14:28:10 +0000 (GMT) From: =?UTF-8?q?=C5=81ukasz=20Stelmach?= To: Russell King , Masahiro Yamada , Nick Desaulniers , Thomas Gleixner , Enrico Weigelt , Kees Cook , Ingo Molnar , Ben Dooks , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: AKASHI Takahiro , Bartlomiej Zolnierkiewicz , Marek Szyprowski , =?UTF-8?q?=C5=81ukasz=20Stelmach?= Subject: [PATCH 3/5] arm: decompressor: define a new zImage tag Date: Mon, 1 Jun 2020 16:27:52 +0200 Message-Id: <20200601142754.26139-4-l.stelmach@samsung.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200601142754.26139-1-l.stelmach@samsung.com> MIME-Version: 1.0 Organization: Samsung R&D Institute Poland Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA01Sa0hTYRjm29nOjsvp5xJ80zJYFiRlShEHNMsIOl3oAv4SUk95Usvp2Fxm Rl6CLMtck3XZkqwsTfM2TXMp6kitNMN0amWUZFSrRLxghrncjlL/nu99nud9nhc+ipC9E3lT 8YnJnCqRTZCTEmFd+8yr9WnYGhk4et6Lrr5eKaJ1FS0C+k3mEwHddVFBv7GUINr0qV9E95pv krRF34To8qfvxfTwx0ERXTb3AtFjWruAnm2eEdI1Jj2xzY3p7e8hGGNGj5D5U/qVYApNGsZU eoFkhvobSWa0u1vM1BSlM9qxnyRzubYUMRMm3wNLIiQhMVxC/AlOtSE0WhL3w2ZHSoPHyTbb DVEGmpbmIBcK8Ca49PksmYMklAyXIMi0VQr4xySCMnuL0KGS4QkE38dSFh1v2xsX5sUIRgx7 eMMXBK0TNchBkDgM8u49EzkITzwlALM+25lB4D4Ew8118xkUtRRvhYb7GodBiFdDzrXbIgeW 4mCYrG5EfNpKyC6uJx3YBYdAS+e4gNd4wPMbI84W7tgfHmYNODExrz/7yEg4sgBfoaAqN39h 0Q4YNk4QPF4Kto5aMY+Xg73hlrMP4HTI123mvZcQ1N38JeQ1wTDU/Zt0aAi8FirNG/hxGOgL jIi3usHgTw++ghvo6q4R/FgK58/JeLUfVOQ1Liz0hlxbCdIiueG/Ywz/HWD4l1WIiFLkxWnU ilhOHZTIpQSoWYVakxgbcCRJYULzX65zrmP8MZp6fdiCMIXkrtKqD32RMhF7Qp2qsCCgCLmn dPvLzkiZNIZNPcWpkqJUmgRObUE+lFDuJd1459shGY5lk7njHKfkVIusgHLxzkDh348p3atm f7gKlAP2+o/VV9ax1xU49PhpNkr7bm+fbiqD1Bec8WvLCo9ub9Ae01l9fHc1N3sVFReSivKj isCuVcvH7g6uSW29oAyz7kpBWcxOaWdOh/HiM9OAsuRgXMzRB01mc9CyEeuWoTQqwpAvAyze vHvFdODVwn0t+9fLheo4NsifUKnZvzmN6JFuAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrLIsWRmVeSWpSXmKPExsVy+t/xe7pVAlfjDN7OMbLYOGM9q8WkdQeY LG427mayONOda3Hz0ApGi02Pr7FaXN41h83i0NS9jBZrj9xlt3j44Aarxep/pxgtPkz4z2Tx Z/9PFovNm6YyO/B5XL52kdljdsNFFo+/q14weyzYVOqxaVUnm8eda3vYPN6dO8fusXlJvceE D2/ZPPq2rGL0+LxJLoA7Ss+mKL+0JFUhI7+4xFYp2tDCSM/Q0kLPyMRSz9DYPNbKyFRJ384m JTUnsyy1SN8uQS/jzav/jAWzBCuOvprJ2sD4nbeLkZNDQsBE4taxPSxdjFwcQgJLGSUaN28G cjiAElISK+emQ9QIS/y51sUGUfOUUWLet73sIAk2AUeJ/qUnWEESIgJ/mSQOzjoNVsUscI1R YuOEk8wgk4QF7CV2LisFaWARUJXomr6QFcTmFbCW+LJxDyPEBnmJ9uXb2UBsTgEbiQOnPzGB 2EJANe+ndTNB1AtKnJz5BOw4ZgF1ifXzhEDC/AJaEmuarrOA2MxAY5q3zmaewCg0C0nHLISO WUiqFjAyr2IUSS0tzk3PLTbUK07MLS7NS9dLzs/dxAiM6m3Hfm7ewXhpY/AhRgEORiUe3g33 r8QJsSaWFVfmHmKU4GBWEuF1Ons6Tog3JbGyKrUoP76oNCe1+BCjKdCbE5mlRJPzgQknryTe 0NTQ3MLS0NzY3NjMQkmct0PgYIyQQHpiSWp2ampBahFMHxMHp1QDY9dV3XTBXQwLPl+/yPzh R8RJ5hbuYP3jnxoK41+tvn3JrFo5teaz4ZsgRdd17Et2fw34EZf67OK2BRUHK+zly3k2MyRo Mb8PXqhw2d7u1LmdfpV+d4PTbzUp6b5m+/NM5dbe8/uU1s96ZVS75GmksbtvVuqP6yZ/TwlE eC94sbf1/ImlEYc9RJRYijMSDbWYi4oTAVQLUIkAAwAA X-CMS-MailID: 20200601142810eucas1p1c42ff7c9b417f04bc506261726f08b4f X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20200601142810eucas1p1c42ff7c9b417f04bc506261726f08b4f X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200601142810eucas1p1c42ff7c9b417f04bc506261726f08b4f References: <20200601142754.26139-1-l.stelmach@samsung.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add DCSZ tag which holds dynamic memory (stack, bss, malloc pool) requirements of the decompressor code. Signed-off-by: Łukasz Stelmach --- arch/arm/boot/compressed/vmlinux.lds.S | 9 ++++++++- arch/arm/include/asm/image.h | 13 +++++++++++++ 2 files changed, 21 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/compressed/vmlinux.lds.S b/arch/arm/boot/compressed/vmlinux.lds.S index 308e9cd6a897..dcfdb3209c90 100644 --- a/arch/arm/boot/compressed/vmlinux.lds.S +++ b/arch/arm/boot/compressed/vmlinux.lds.S @@ -39,6 +39,11 @@ SECTIONS LONG(ARM_ZIMAGE_MAGIC3) LONG(ZIMAGE_MAGIC(__piggy_size_addr - _start)) LONG(ZIMAGE_MAGIC(_kernel_bss_size)) + LONG(ZIMAGE_MAGIC(5)) + LONG(ARM_ZIMAGE_MAGIC4) + LONG(ZIMAGE_MAGIC(_end - __bss_start)) + LONG(ZIMAGE_MAGIC(_stack_end - _stack_start)) + LONG(ZIMAGE_MAGIC(_malloc_size)) LONG(0) _table_end = .; } @@ -108,10 +113,12 @@ SECTIONS . = BSS_START; __bss_start = .; .bss : { *(.bss) } + . = ALIGN(8); /* the stack must be 64-bit aligned and adjoin bss */ _end = .; - . = ALIGN(8); /* the stack must be 64-bit aligned */ + _stack_start = .; .stack : { *(.stack) } + _stack_end = .; PROVIDE(__pecoff_data_size = ALIGN(512) - ADDR(.data)); PROVIDE(__pecoff_end = ALIGN(512)); diff --git a/arch/arm/include/asm/image.h b/arch/arm/include/asm/image.h index d5c18a0f6a34..624438740f23 100644 --- a/arch/arm/include/asm/image.h +++ b/arch/arm/include/asm/image.h @@ -15,6 +15,7 @@ #define ARM_ZIMAGE_MAGIC1 ZIMAGE_MAGIC(0x016f2818) #define ARM_ZIMAGE_MAGIC2 (0x45454545) #define ARM_ZIMAGE_MAGIC3 ZIMAGE_MAGIC(0x5a534c4b) +#define ARM_ZIMAGE_MAGIC4 ZIMAGE_MAGIC(0x5a534344) #ifndef __ASSEMBLY__ @@ -43,6 +44,18 @@ struct arm_zimage_tag { } u; }; +struct arm_zimage_tag_dc { + struct tag_header hdr; + union { +#define ZIMAGE_TAG_DECOMP_SIZE ARM_ZIMAGE_MAGIC4 + struct zimage_decomp_size { + __le32 bss_size; + __le32 stack_size; + __le32 malloc_size; + } decomp_size; + } u; +}; + #endif /* __ASSEMBLY__ */ #endif /* __ASM_IMAGE_H */ -- 2.26.2 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4D943C433DF for ; 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Mon, 1 Jun 2020 14:28:10 +0000 (GMT) From: =?UTF-8?q?=C5=81ukasz=20Stelmach?= To: Russell King , Masahiro Yamada , Nick Desaulniers , Thomas Gleixner , Enrico Weigelt , Kees Cook , Ingo Molnar , Ben Dooks , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/5] arm: decompressor: define a new zImage tag Date: Mon, 1 Jun 2020 16:27:52 +0200 Message-Id: <20200601142754.26139-4-l.stelmach@samsung.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200601142754.26139-1-l.stelmach@samsung.com> MIME-Version: 1.0 Organization: Samsung R&D Institute Poland X-Brightmail-Tracker: H4sIAAAAAAAAA01Sa0hTYRjm29nOjsvp5xJ80zJYFiRlShEHNMsIOl3oAv4SUk95Usvp2Fxm Rl6CLMtck3XZkqwsTfM2TXMp6kitNMN0amWUZFSrRLxghrncjlL/nu99nud9nhc+ipC9E3lT 8YnJnCqRTZCTEmFd+8yr9WnYGhk4et6Lrr5eKaJ1FS0C+k3mEwHddVFBv7GUINr0qV9E95pv krRF34To8qfvxfTwx0ERXTb3AtFjWruAnm2eEdI1Jj2xzY3p7e8hGGNGj5D5U/qVYApNGsZU eoFkhvobSWa0u1vM1BSlM9qxnyRzubYUMRMm3wNLIiQhMVxC/AlOtSE0WhL3w2ZHSoPHyTbb DVEGmpbmIBcK8Ca49PksmYMklAyXIMi0VQr4xySCMnuL0KGS4QkE38dSFh1v2xsX5sUIRgx7 eMMXBK0TNchBkDgM8u49EzkITzwlALM+25lB4D4Ew8118xkUtRRvhYb7GodBiFdDzrXbIgeW 4mCYrG5EfNpKyC6uJx3YBYdAS+e4gNd4wPMbI84W7tgfHmYNODExrz/7yEg4sgBfoaAqN39h 0Q4YNk4QPF4Kto5aMY+Xg73hlrMP4HTI123mvZcQ1N38JeQ1wTDU/Zt0aAi8FirNG/hxGOgL jIi3usHgTw++ghvo6q4R/FgK58/JeLUfVOQ1Liz0hlxbCdIiueG/Ywz/HWD4l1WIiFLkxWnU ilhOHZTIpQSoWYVakxgbcCRJYULzX65zrmP8MZp6fdiCMIXkrtKqD32RMhF7Qp2qsCCgCLmn dPvLzkiZNIZNPcWpkqJUmgRObUE+lFDuJd1459shGY5lk7njHKfkVIusgHLxzkDh348p3atm f7gKlAP2+o/VV9ax1xU49PhpNkr7bm+fbiqD1Bec8WvLCo9ub9Ae01l9fHc1N3sVFReSivKj isCuVcvH7g6uSW29oAyz7kpBWcxOaWdOh/HiM9OAsuRgXMzRB01mc9CyEeuWoTQqwpAvAyze vHvFdODVwn0t+9fLheo4NsifUKnZvzmN6JFuAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrLIsWRmVeSWpSXmKPExsVy+t/xe7pVAlfjDN7OMbLYOGM9q8WkdQeY LG427mayONOda3Hz0ApGi02Pr7FaXN41h83i0NS9jBZrj9xlt3j44Aarxep/pxgtPkz4z2Tx Z/9PFovNm6YyO/B5XL52kdljdsNFFo+/q14weyzYVOqxaVUnm8eda3vYPN6dO8fusXlJvceE D2/ZPPq2rGL0+LxJLoA7Ss+mKL+0JFUhI7+4xFYp2tDCSM/Q0kLPyMRSz9DYPNbKyFRJ384m JTUnsyy1SN8uQS/jzav/jAWzBCuOvprJ2sD4nbeLkZNDQsBE4taxPSxdjFwcQgJLGSUaN28G cjiAElISK+emQ9QIS/y51sUGUfOUUWLet73sIAk2AUeJ/qUnWEESIgJ/mSQOzjoNVsUscI1R YuOEk8wgk4QF7CV2LisFaWARUJXomr6QFcTmFbCW+LJxDyPEBnmJ9uXb2UBsTgEbiQOnPzGB 2EJANe+ndTNB1AtKnJz5BOw4ZgF1ifXzhEDC/AJaEmuarrOA2MxAY5q3zmaewCg0C0nHLISO WUiqFjAyr2IUSS0tzk3PLTbUK07MLS7NS9dLzs/dxAiM6m3Hfm7ewXhpY/AhRgEORiUe3g33 r8QJsSaWFVfmHmKU4GBWEuF1Ons6Tog3JbGyKrUoP76oNCe1+BCjKdCbE5mlRJPzgQknryTe 0NTQ3MLS0NzY3NjMQkmct0PgYIyQQHpiSWp2ampBahFMHxMHp1QDY9dV3XTBXQwLPl+/yPzh R8RJ5hbuYP3jnxoK41+tvn3JrFo5teaz4ZsgRdd17Et2fw34EZf67OK2BRUHK+zly3k2MyRo Mb8PXqhw2d7u1LmdfpV+d4PTbzUp6b5m+/NM5dbe8/uU1s96ZVS75GmksbtvVuqP6yZ/TwlE eC94sbf1/ImlEYc9RJRYijMSDbWYi4oTAVQLUIkAAwAA X-CMS-MailID: 20200601142810eucas1p1c42ff7c9b417f04bc506261726f08b4f X-Msg-Generator: CA X-RootMTR: 20200601142810eucas1p1c42ff7c9b417f04bc506261726f08b4f X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200601142810eucas1p1c42ff7c9b417f04bc506261726f08b4f References: <20200601142754.26139-1-l.stelmach@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200601_072813_679290_B5DDD2D6 X-CRM114-Status: GOOD ( 14.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: AKASHI Takahiro , Marek Szyprowski , =?UTF-8?q?=C5=81ukasz=20Stelmach?= , Bartlomiej Zolnierkiewicz Content-Type: text/plain; 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