hw/xtensa/xtensa_bootparam.h

   1 #ifndef HW_XTENSA_BOOTPARAM
   2 #define HW_XTENSA_BOOTPARAM
   3
   4 typedef struct BpTag {
   5     uint16_t tag;
   6     uint16_t size;
   7 } BpTag;
   8
   9 static inline ram_addr_t put_tag(ram_addr_t addr, uint16_t tag,
  10         size_t size, const void *data)
  11 {
  12     BpTag bp_tag = {
  13         .tag = tswap16(tag),
  14         .size = tswap16((size + 3) & ~3),
  15     };
  16
  17     cpu_physical_memory_write(addr, &bp_tag, sizeof(bp_tag));
  18     addr += sizeof(bp_tag);
  19     cpu_physical_memory_write(addr, data, size);
  20     addr += (size + 3) & ~3;
  21
  22     return addr;
  23 }
  24
  25 #endif