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From: Jim Kukunas <james.t.kukunas@linux.intel.com>
To: Linux Kernel <linux-kernel@vger.kernel.org>, tom.zanussi@linux.intel.com
Cc: Arjan van de Ven <arjan@linux.intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	tglx@linutronix.de, mingo@redhat.com, x86@kernel.org
Subject: [PATCH 08/11] x86/xip: in setup_arch(), handle resource physical addr
Date: Mon, 23 Mar 2015 00:46:37 -0700	[thread overview]
Message-ID: <1427096800-30452-9-git-send-email-james.t.kukunas@linux.intel.com> (raw)
In-Reply-To: <1427096800-30452-1-git-send-email-james.t.kukunas@linux.intel.com>

set code_resources to proper physical addr in setup_arch()

Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com>
---
 arch/x86/kernel/setup.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 74fc6c8..f044453 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -986,9 +986,16 @@ void __init setup_arch(char **cmdline_p)
 
 	mpx_mm_init(&init_mm);
 
+#ifndef CONFIG_XIP_KERNEL
 	code_resource.start = __pa_symbol(_text);
 	code_resource.end = __pa_symbol(_etext)-1;
+	data_resource.start = _pa(_sdata)-1;
+#else
+	code_resource.start = CONFIG_XIP_BASE;
+	code_resource.end = (phys_addr_t)phys_sdata-1;
 	data_resource.start = __pa_symbol(_etext);
+#endif
+
 	data_resource.end = __pa_symbol(_edata)-1;
 	bss_resource.start = __pa_symbol(__bss_start);
 	bss_resource.end = __pa_symbol(__bss_stop)-1;
-- 
2.1.0


  parent reply	other threads:[~2015-03-23  7:56 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-23  7:46 [RFC] x86 XIP Jim Kukunas
2015-03-23  7:46 ` [PATCH 01/11] x86/xip: add XIP_KERNEL and XIP_BASE options Jim Kukunas
2015-03-23  7:46 ` [PATCH 02/11] x86/xip: Update address of sections in linker script Jim Kukunas
2015-03-23  7:46 ` [PATCH 03/11] x86/xip: copy writable sections into RAM Jim Kukunas
2015-03-23  7:46 ` [PATCH 04/11] x86/xip: XIP boot trampoline page tables Jim Kukunas
2015-03-23  7:46 ` [PATCH 05/11] x86/xip: reserve memblock for only data Jim Kukunas
2015-03-23  7:46 ` [PATCH 06/11] x86/xip: after paging trampoline, discard PMDs above _brk Jim Kukunas
2015-03-23  7:46 ` [PATCH 07/11] x86/xip: make e820_add_kernel_range() a NOP Jim Kukunas
2015-03-23  7:46 ` Jim Kukunas [this message]
2015-03-23  7:46 ` [PATCH 09/11] x86/xip: snip the kernel text out of the memory mapping Jim Kukunas
2015-03-23  7:46 ` [PATCH 10/11] x86/xip: resolve alternative instructions at build Jim Kukunas
2015-03-23  8:33   ` Borislav Petkov
2015-03-23  8:38     ` Borislav Petkov
2015-03-25  0:50     ` Jim Kukunas
2015-03-25  8:44       ` Borislav Petkov
2015-03-23 22:40   ` Paul Bolle
2015-03-23  7:46 ` [PATCH 11/11] x86/xip: update _va() and _pa() macros Jim Kukunas
2015-03-23  8:09   ` Ingo Molnar
2015-03-23 15:09     ` Borislav Petkov
2015-03-23  8:07 ` [RFC] x86 XIP Ingo Molnar
2015-03-25  0:14   ` Jim Kukunas

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