[U-Boot] [PATCH 04/12] x86: Change to use start/end address pair in write_tables()

[Bin Meng]

Add a new variable rom_table_start and pass it to ROM table write
routines. This reads better than previous single rom_table_end.

Signed-off-by: Bin Meng <bmeng...@gmail.com>
---

 arch/x86/lib/tables.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/arch/x86/lib/tables.c b/arch/x86/lib/tables.c
index 14b15cf..fc6c0d8 100644
--- a/arch/x86/lib/tables.c
+++ b/arch/x86/lib/tables.c
@@ -39,26 +39,32 @@ void table_fill_string(char *dest, const char *src, size_t 
n, char pad)
 
 void write_tables(void)
 {
-       u32 __maybe_unused rom_table_end = ROM_TABLE_ADDR;
+       u32 __maybe_unused rom_table_start = ROM_TABLE_ADDR;
+       u32 __maybe_unused rom_table_end;
 
 #ifdef CONFIG_GENERATE_PIRQ_TABLE
-       rom_table_end = write_pirq_routing_table(rom_table_end);
+       rom_table_end = write_pirq_routing_table(rom_table_start);
        rom_table_end = ALIGN(rom_table_end, 1024);
+       rom_table_start = rom_table_end;
 #endif
 #ifdef CONFIG_GENERATE_SFI_TABLE
-       rom_table_end = write_sfi_table(rom_table_end);
+       rom_table_end = write_sfi_table(rom_table_start);
        rom_table_end = ALIGN(rom_table_end, 1024);
+       rom_table_start = rom_table_end;
 #endif
 #ifdef CONFIG_GENERATE_MP_TABLE
-       rom_table_end = write_mp_table(rom_table_end);
+       rom_table_end = write_mp_table(rom_table_start);
        rom_table_end = ALIGN(rom_table_end, 1024);
+       rom_table_start = rom_table_end;
 #endif
 #ifdef CONFIG_GENERATE_ACPI_TABLE
-       rom_table_end = write_acpi_tables(rom_table_end);
+       rom_table_end = write_acpi_tables(rom_table_start);
        rom_table_end = ALIGN(rom_table_end, 1024);
+       rom_table_start = rom_table_end;
 #endif
 #ifdef CONFIG_GENERATE_SMBIOS_TABLE
-       rom_table_end = write_smbios_table(rom_table_end);
+       rom_table_end = write_smbios_table(rom_table_start);
        rom_table_end = ALIGN(rom_table_end, 1024);
+       rom_table_start = rom_table_end;
 #endif
 }
-- 
1.8.2.1

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