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x86: Make table address selectable

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Some firmwares might have another window for generated tables.

So, introduce two configuration options to select start address and
maximum length for the generated tables.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Andy Shevchenko
2017-07-28 20:02:15 +03:00
committed by Bin Meng
parent 167a40166b
commit c3df28f6e2
2 changed files with 15 additions and 7 deletions
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9
arch/x86/include/asm/tables.h
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@@ -9,13 +9,8 @@
#include <tables_csum.h>
/*
* All x86 tables happen to like the address range from 0xf0000 to 0x100000.
* We use 0xf0000 as the starting address to store those tables, including
* PIRQ routing table, Multi-Processor table and ACPI table.
*/
#define ROM_TABLE_ADDR 0xf0000
#define ROM_TABLE_END 0xfffff
#define ROM_TABLE_ADDR CONFIG_ROM_TABLE_ADDR
#define ROM_TABLE_END (CONFIG_ROM_TABLE_ADDR + CONFIG_ROM_TABLE_SIZE - 1)
#define ROM_TABLE_ALIGN 1024