root / hw / xtensa / xtensa_bootparam.h @ f487b677
History | View | Annotate | Download (528 Bytes)
| 1 | 292627bb | Max Filippov | #ifndef HW_XTENSA_BOOTPARAM
|
|---|---|---|---|
| 2 | 292627bb | Max Filippov | #define HW_XTENSA_BOOTPARAM
|
| 3 | 292627bb | Max Filippov | |
| 4 | 292627bb | Max Filippov | typedef struct BpTag { |
| 5 | 292627bb | Max Filippov | uint16_t tag; |
| 6 | 292627bb | Max Filippov | uint16_t size; |
| 7 | 292627bb | Max Filippov | } BpTag; |
| 8 | 292627bb | Max Filippov | |
| 9 | 292627bb | Max Filippov | static inline ram_addr_t put_tag(ram_addr_t addr, uint16_t tag, |
| 10 | 292627bb | Max Filippov | size_t size, const void *data) |
| 11 | 292627bb | Max Filippov | {
|
| 12 | 292627bb | Max Filippov | BpTag bp_tag = {
|
| 13 | 292627bb | Max Filippov | .tag = tswap16(tag), |
| 14 | 292627bb | Max Filippov | .size = tswap16((size + 3) & ~3), |
| 15 | 292627bb | Max Filippov | }; |
| 16 | 292627bb | Max Filippov | |
| 17 | 292627bb | Max Filippov | cpu_physical_memory_write(addr, &bp_tag, sizeof(bp_tag));
|
| 18 | 292627bb | Max Filippov | addr += sizeof(bp_tag);
|
| 19 | 292627bb | Max Filippov | cpu_physical_memory_write(addr, data, size); |
| 20 | 292627bb | Max Filippov | addr += (size + 3) & ~3; |
| 21 | 292627bb | Max Filippov | |
| 22 | 292627bb | Max Filippov | return addr;
|
| 23 | 292627bb | Max Filippov | } |
| 24 | 292627bb | Max Filippov | |
| 25 | 292627bb | Max Filippov | #endif |