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Date: Mon, 29 Oct 2007 15:20:29 +0000 From: David Howells <dhowells@...hat.com> To: torvalds@...l.org, akpm@...l.org, rpjday@...shcourse.ca Cc: linux-kernel@...r.kernel.org, dhowells@...hat.com Subject: [PATCH] FRV: Permit the memory to be located elsewhere in NOMMU mode From: David Howells <dhowells@...hat.com> Permit the memory to be located somewhere other than address 0xC0000000 in NOMMU mode. The configuration options are already present, it just requires wiring up in the linker script. Note that only a limited set of locations of runtime addresses are available because of the way the CPU protection registers work. Signed-off-by: David Howells <dhowells@...hat.com> --- arch/frv/kernel/vmlinux.lds.S | 16 +++++++++++++++- 1 files changed, 15 insertions(+), 1 deletions(-) diff --git a/arch/frv/kernel/vmlinux.lds.S b/arch/frv/kernel/vmlinux.lds.S index 3b71e0c..7dd9996 100644 --- a/arch/frv/kernel/vmlinux.lds.S +++ b/arch/frv/kernel/vmlinux.lds.S @@ -13,7 +13,21 @@ ENTRY(_start) jiffies = jiffies_64 + 4; -__page_offset = 0xc0000000; /* start of area covered by struct pages */ +/* start of area covered by struct pages */ +#if defined(CONFIG_UCPAGE_OFFSET_20000000) +__page_offset = 0x20000000; +#elif defined(CONFIG_UCPAGE_OFFSET_40000000) +__page_offset = 0x40000000; +#elif defined(CONFIG_UCPAGE_OFFSET_60000000) +__page_offset = 0x60000000; +#elif defined(CONFIG_UCPAGE_OFFSET_80000000) +__page_offset = 0x80000000; +#elif defined(CONFIG_UCPAGE_OFFSET_A0000000) +__page_offset = 0xa0000000; +#else +__page_offset = 0xc0000000; +#endif + __kernel_image_start = __page_offset; /* address at which kernel image resides */ SECTIONS - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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