mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-08 22:24:32 +00:00
b336a2b8f6
Writing tables is currently pretty opaque. Add a bit of debugging to the process so we can see what tables are written and where they start/end in memory. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
108 lines
2.5 KiB
C
108 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <log.h>
|
|
#include <malloc.h>
|
|
#include <smbios.h>
|
|
#include <acpi/acpi_table.h>
|
|
#include <asm/sfi.h>
|
|
#include <asm/mpspec.h>
|
|
#include <asm/tables.h>
|
|
#include <asm/coreboot_tables.h>
|
|
|
|
/**
|
|
* Function prototype to write a specific configuration table
|
|
*
|
|
* @addr: start address to write the table
|
|
* @return: end address of the table
|
|
*/
|
|
typedef ulong (*table_write)(ulong addr);
|
|
|
|
/**
|
|
* struct table_info - Information about each table to write
|
|
*
|
|
* @name: Name of table (for debugging)
|
|
* @write: Function to call to write this table
|
|
*/
|
|
struct table_info {
|
|
const char *name;
|
|
table_write write;
|
|
};
|
|
|
|
static struct table_info table_list[] = {
|
|
#ifdef CONFIG_GENERATE_PIRQ_TABLE
|
|
{ "pirq", write_pirq_routing_table },
|
|
#endif
|
|
#ifdef CONFIG_GENERATE_SFI_TABLE
|
|
{ "sfi", write_sfi_table, },
|
|
#endif
|
|
#ifdef CONFIG_GENERATE_MP_TABLE
|
|
{ "mp", write_mp_table, },
|
|
#endif
|
|
#ifdef CONFIG_GENERATE_ACPI_TABLE
|
|
{ "acpi", write_acpi_tables, },
|
|
#endif
|
|
#ifdef CONFIG_GENERATE_SMBIOS_TABLE
|
|
{ "smbios", write_smbios_table, },
|
|
#endif
|
|
};
|
|
|
|
void table_fill_string(char *dest, const char *src, size_t n, char pad)
|
|
{
|
|
int start, len;
|
|
int i;
|
|
|
|
strncpy(dest, src, n);
|
|
|
|
/* Fill the remaining bytes with pad */
|
|
len = strlen(src);
|
|
start = len < n ? len : n;
|
|
for (i = start; i < n; i++)
|
|
dest[i] = pad;
|
|
}
|
|
|
|
void write_tables(void)
|
|
{
|
|
u32 rom_table_start = ROM_TABLE_ADDR;
|
|
u32 rom_table_end;
|
|
#ifdef CONFIG_SEABIOS
|
|
u32 high_table, table_size;
|
|
struct memory_area cfg_tables[ARRAY_SIZE(table_list) + 1];
|
|
#endif
|
|
int i;
|
|
|
|
debug("Writing tables to %x:\n", rom_table_start);
|
|
for (i = 0; i < ARRAY_SIZE(table_list); i++) {
|
|
const struct table_info *table = &table_list[i];
|
|
|
|
rom_table_end = table->write(rom_table_start);
|
|
rom_table_end = ALIGN(rom_table_end, ROM_TABLE_ALIGN);
|
|
|
|
#ifdef CONFIG_SEABIOS
|
|
table_size = rom_table_end - rom_table_start;
|
|
high_table = (u32)high_table_malloc(table_size);
|
|
if (high_table) {
|
|
table->write(high_table);
|
|
|
|
cfg_tables[i].start = high_table;
|
|
cfg_tables[i].size = table_size;
|
|
} else {
|
|
printf("%d: no memory for configuration tables\n", i);
|
|
}
|
|
#endif
|
|
|
|
debug("- wrote '%s' to %x, end %x\n", table->name,
|
|
rom_table_start, rom_table_end);
|
|
rom_table_start = rom_table_end;
|
|
}
|
|
|
|
#ifdef CONFIG_SEABIOS
|
|
/* make sure the last item is zero */
|
|
cfg_tables[i].size = 0;
|
|
write_coreboot_table(CB_TABLE_ADDR, cfg_tables);
|
|
#endif
|
|
debug("- done writing tables\n");
|
|
}
|