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authorKhalid Aziz <khalid.aziz@hp.com>2005-09-19 15:42:36 -0700
committerTony Luck <tony.luck@intel.com>2005-09-19 15:42:36 -0700
commitbe379124c0a5abfbe57dab2823fe8a71ce797aee (patch)
treec16b8dce920a001431add24bcd12cc1f12bf824d /arch/ia64/kernel/setup.c
parentd8c97d5f3aa348272df2ccb4e224b1cf9a1eb6d7 (diff)
[IA64] include EFI memory information in /proc/iomem
User mode kexec tools expect to find information about physical memory in /proc/iomem (as they do on x86) to validate the addresses that the new kernel will use. Signed-off-by: Khalid Aziz <khalid.aziz@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/kernel/setup.c')
-rw-r--r--arch/ia64/kernel/setup.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 1658d687b79..83b37c410cc 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -78,6 +78,19 @@ struct screen_info screen_info;
unsigned long vga_console_iobase;
unsigned long vga_console_membase;
+static struct resource data_resource = {
+ .name = "Kernel data",
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
+
+static struct resource code_resource = {
+ .name = "Kernel code",
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
+extern void efi_initialize_iomem_resources(struct resource *,
+ struct resource *);
+extern char _text[], _edata[], _etext[];
+
unsigned long ia64_max_cacheline_size;
unsigned long ia64_iobase; /* virtual address for I/O accesses */
EXPORT_SYMBOL(ia64_iobase);
@@ -171,6 +184,22 @@ sort_regions (struct rsvd_region *rsvd_region, int max)
}
}
+/*
+ * Request address space for all standard resources
+ */
+static int __init register_memory(void)
+{
+ code_resource.start = ia64_tpa(_text);
+ code_resource.end = ia64_tpa(_etext) - 1;
+ data_resource.start = ia64_tpa(_etext);
+ data_resource.end = ia64_tpa(_edata) - 1;
+ efi_initialize_iomem_resources(&code_resource, &data_resource);
+
+ return 0;
+}
+
+__initcall(register_memory);
+
/**
* reserve_memory - setup reserved memory areas
*