206e562c5a
cpu_physical_memory_write() is declared in "exec/cpu-common.h". Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Anton Johansson <anjo@rev.ng> Message-Id: <20240418192525.97451-21-philmd@linaro.org>
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
#ifndef HW_XTENSA_BOOTPARAM_H
|
|
#define HW_XTENSA_BOOTPARAM_H
|
|
|
|
#include "exec/cpu-common.h"
|
|
|
|
#define BP_TAG_COMMAND_LINE 0x1001 /* command line (0-terminated string)*/
|
|
#define BP_TAG_INITRD 0x1002 /* ramdisk addr and size (bp_meminfo) */
|
|
#define BP_TAG_MEMORY 0x1003 /* memory addr and size (bp_meminfo) */
|
|
#define BP_TAG_SERIAL_BAUDRATE 0x1004 /* baud rate of current console. */
|
|
#define BP_TAG_SERIAL_PORT 0x1005 /* serial device of current console */
|
|
#define BP_TAG_FDT 0x1006 /* flat device tree addr */
|
|
|
|
#define BP_TAG_FIRST 0x7B0B /* first tag with a version number */
|
|
#define BP_TAG_LAST 0x7E0B /* last tag */
|
|
|
|
typedef struct BpTag {
|
|
uint16_t tag;
|
|
uint16_t size;
|
|
} BpTag;
|
|
|
|
typedef struct BpMemInfo {
|
|
uint32_t type;
|
|
uint32_t start;
|
|
uint32_t end;
|
|
} BpMemInfo;
|
|
|
|
#define MEMORY_TYPE_CONVENTIONAL 0x1000
|
|
#define MEMORY_TYPE_NONE 0x2000
|
|
|
|
static inline size_t get_tag_size(size_t data_size)
|
|
{
|
|
return data_size + sizeof(BpTag) + 4;
|
|
}
|
|
|
|
static inline ram_addr_t put_tag(ram_addr_t addr, uint16_t tag,
|
|
size_t size, const void *data)
|
|
{
|
|
BpTag bp_tag = {
|
|
.tag = tswap16(tag),
|
|
.size = tswap16((size + 3) & ~3),
|
|
};
|
|
|
|
cpu_physical_memory_write(addr, &bp_tag, sizeof(bp_tag));
|
|
addr += sizeof(bp_tag);
|
|
cpu_physical_memory_write(addr, data, size);
|
|
addr += (size + 3) & ~3;
|
|
|
|
return addr;
|
|
}
|
|
|
|
#endif
|