From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e06smtp12.uk.ibm.com (e06smtp12.uk.ibm.com [195.75.94.108]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id A4A39140158 for ; Thu, 24 Apr 2014 17:24:01 +1000 (EST) Received: from /spool/local by e06smtp12.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 24 Apr 2014 08:23:58 +0100 Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by d06dlp03.portsmouth.uk.ibm.com (Postfix) with ESMTP id 0C5011B08051 for ; Thu, 24 Apr 2014 08:24:02 +0100 (BST) Received: from d06av03.portsmouth.uk.ibm.com (d06av03.portsmouth.uk.ibm.com [9.149.37.213]) by b06cxnps3074.portsmouth.uk.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s3O7Nu0f2359764 for ; Thu, 24 Apr 2014 07:23:56 GMT Received: from d06av03.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av03.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s3O7NtXp025217 for ; Thu, 24 Apr 2014 01:23:56 -0600 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: benh@kernel.crashing.org Subject: [PATCH v2 14/15] powerpc/boot: add a global entry point for pseries Date: Thu, 24 Apr 2014 09:23:38 +0200 Message-Id: <1398324219-8919-15-git-send-email-clg@fr.ibm.com> In-Reply-To: <1398324219-8919-1-git-send-email-clg@fr.ibm.com> References: <1398324219-8919-1-git-send-email-clg@fr.ibm.com> In-Reply-To: <1395651884.30488.10.camel@pasglop> References: <1395651884.30488.10.camel@pasglop> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , When entering the boot wrapper in little endian, we will need to fix the endian order using a fixup trampoline like in the kernel. This patch overrides the _zimage_start entry point for this purpose. Signed-off-by: Cédric Le Goater --- Changes since v1: - pseries is not the only platform generating a zImage.pseries boot wrapper. Fixed Makefile for these. arch/powerpc/boot/Makefile | 5 +++++ arch/powerpc/boot/pseries-head.S | 5 +++++ arch/powerpc/boot/wrapper | 2 +- 3 files changed, 11 insertions(+), 1 deletion(-) create mode 100644 arch/powerpc/boot/pseries-head.S diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index a1f8c7f1ec60..bed660ddf48c 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -99,6 +99,11 @@ src-plat-$(CONFIG_EMBEDDED6xx) += cuboot-pq2.c cuboot-mpc7448hpc2.c \ src-plat-$(CONFIG_AMIGAONE) += cuboot-amigaone.c src-plat-$(CONFIG_PPC_PS3) += ps3-head.S ps3-hvcall.S ps3.c src-plat-$(CONFIG_EPAPR_BOOT) += epapr.c epapr-wrapper.c +src-plat-$(CONFIG_PPC_PSERIES) += pseries-head.S +src-plat-$(CONFIG_PPC_POWERNV) += pseries-head.S +src-plat-$(CONFIG_PPC_IBM_CELL_BLADE) += pseries-head.S +src-plat-$(CONFIG_PPC_CELLEB) += pseries-head.S +src-plat-$(CONFIG_PPC_CELL_QPACE) += pseries-head.S src-wlib := $(sort $(src-wlib-y)) src-plat := $(sort $(src-plat-y)) diff --git a/arch/powerpc/boot/pseries-head.S b/arch/powerpc/boot/pseries-head.S new file mode 100644 index 000000000000..655c3d2c321b --- /dev/null +++ b/arch/powerpc/boot/pseries-head.S @@ -0,0 +1,5 @@ + .text + + .globl _zimage_start +_zimage_start: + b _zimage_start_lib diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index d27a25518b01..5889c440a66a 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -152,7 +152,7 @@ of) make_space=n ;; pseries) - platformo="$object/of.o $object/epapr.o" + platformo="$object/pseries-head.o $object/of.o $object/epapr.o" link_address='0x4000000' make_space=n ;; -- 1.7.10.4