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From: Edgar E. Iglesias <edgar.iglesias@gmail.com>
To: u-boot@lists.denx.de
Subject: [PATCH v2 1/3] arm64: Mention 4K aligned load addresses in the PIE Kconfig help
Date: Fri,  4 Sep 2020 11:07:47 +0200	[thread overview]
Message-ID: <20200904090749.4067768-2-edgar.iglesias@gmail.com> (raw)
In-Reply-To: <20200904090749.4067768-1-edgar.iglesias@gmail.com>

From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>

Mention the requirement of 4K aligned load addresses in the
help section for the POSITION_INDEPENDENT option.

Suggested-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
---
 arch/arm/Kconfig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f30c2639ec..c144c08612 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -21,6 +21,9 @@ config POSITION_INDEPENDENT
 	  information that is embedded in the binary to support U-Boot
 	  relocating itself to the top-of-RAM later during execution.
 
+	  When this option is enabled, U-Boot needs to be loaded at a
+	  4K aligned address.
+
 config INIT_SP_RELATIVE
 	bool "Specify the early stack pointer relative to the .bss section"
 	help
-- 
2.25.1

  reply	other threads:[~2020-09-04  9:07 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-04  9:07 [PATCH v2 0/3] arm64: Large PIE fixes Edgar E. Iglesias
2020-09-04  9:07 ` Edgar E. Iglesias [this message]
2020-09-04 18:42   ` [PATCH v2 1/3] arm64: Mention 4K aligned load addresses in the PIE Kconfig help Stephen Warren
2020-09-06 22:16     ` André Przywara
2020-09-07  9:58       ` Edgar E. Iglesias
2020-09-04  9:07 ` [PATCH v2 2/3] arm64: Bail out PIE builds early if load address is not 4K aligned Edgar E. Iglesias
2020-09-04 18:43   ` Stephen Warren
2020-09-07  9:52     ` Edgar E. Iglesias
2020-09-07 12:57       ` Tom Rini
2020-09-07 13:40         ` Edgar E. Iglesias
2020-09-08 19:02       ` Stephen Warren
2020-09-04  9:07 ` [PATCH v2 3/3] arm64: Add support for larger PIE U-boot Edgar E. Iglesias
2020-09-04 13:04   ` Michal Simek
2020-09-04 13:11     ` Edgar E. Iglesias
2020-09-04 18:45   ` Stephen Warren

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