xyou
f1a2a110d7
Add the current OS source tree, build scripts, system image layout, and development notes covering DMA page allocation, e1000 bring-up, net API dispatch, and DHCP work in progress.
21 lines
787 B
C
21 lines
787 B
C
#include <utsm/dmp.h>
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#include <utsm/segment.h>
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#define UTSM_DMP_MAGIC 0x5554534d444d5031ULL
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void utsm_dmp_init(utsm_dmp *dmp, utsm_segment_desc *desc, u32 slot) {
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dmp->magic = UTSM_DMP_MAGIC;
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dmp->version = 1;
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dmp->segment_slot = slot;
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dmp->fast_base = (u64)desc->cipher_base;
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dmp->fast_limit = (u64)desc->cipher_base + desc->cipher_length;
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dmp->fast_tweak_seed = desc->tweak_seed;
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dmp->fast_key_epoch = desc->key_epoch;
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dmp->dirty_bitmap_base = desc->dirty_shards ? (u64)desc->dirty_shards[0].bitmap : 0;
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dmp->mac_table_base = (u64)desc->mac_table;
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dmp->last_writer_seq = desc->writer_seq;
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dmp->last_cpu = desc->last_cpu;
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dmp->flags = desc->flags;
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dmp->crc = dmp->magic ^ dmp->fast_base ^ dmp->fast_limit ^ dmp->fast_tweak_seed;
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}
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