rixxc/x25519_agent
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Spill variables

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This commit is contained in:
Aaron Kaiser
2024-04-22 11:13:41 +02:00
parent dfc00d5bd6
commit 52df968d73
1 changed files with 11 additions and 12 deletions
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21
src/agent.jazz
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@@ -1,4 +1,4 @@
from Jade require "crypto_scalarmult/curve25519/amd64/mulx/curve25519.jinc" from Jade require "crypto_scalarmult/curve25519/amd64/mulx/scalarmult.jazz"
inline fn extract_ipc_id(reg u64 sync_mem) -> reg u64 { inline fn extract_ipc_id(reg u64 sync_mem) -> reg u64 {
reg u64 id; reg u64 id;
@@ -35,7 +35,11 @@ inline fn generate_key(reg u64 shared_mem sync_mem private_mem key_id) -> reg u6
pkptr = (u64)[sync_mem + 24]; pkptr = (u64)[sync_mem + 24];
pkptr += shared_mem; pkptr += shared_mem;
jade_scalarmult_curve25519_mulx_base(pkptr, private_mem); () = #spill(key_id);
jade_scalarmult_curve25519_amd64_mulx_base(pkptr, private_mem);
() = #unspill(key_id);
return key_id; return key_id;
} }
@@ -43,22 +47,17 @@ inline fn generate_key(reg u64 shared_mem sync_mem private_mem key_id) -> reg u6
export fn agent_start(reg u64 shared_mem sync_mem private_mem) { export fn agent_start(reg u64 shared_mem sync_mem private_mem) {
stack u8[8] unused; stack u8[8] unused;
reg u64 key_id; reg u64 key_id;
stack u64 spill_sync_mem spill_shared_mem spill_private_mem;
key_id = 0; key_id = 0;
spill_sync_mem = sync_mem; () = #spill(shared_mem, sync_mem, private_mem);
spill_shared_mem = shared_mem;
spill_private_mem = private_mem;
while (true) { while (true) {
unused = unused; unused = unused;
sync_mem = spill_sync_mem; () = #unspill(sync_mem);
unused = #read(unused, sync_mem); unused = #read(unused, sync_mem);
sync_mem = spill_sync_mem; () = #unspill(shared_mem, sync_mem, private_mem);
shared_mem = spill_shared_mem;
private_mem = spill_private_mem;
reg u64 id; reg u64 id;
@@ -68,7 +67,7 @@ export fn agent_start(reg u64 shared_mem sync_mem private_mem) {
key_id = generate_key(shared_mem, sync_mem, private_mem, key_id); key_id = generate_key(shared_mem, sync_mem, private_mem, key_id);
} }
sync_mem = spill_sync_mem; () = #unspill(sync_mem);
unused = #write(unused, sync_mem); unused = #write(unused, sync_mem);
} }