mirror of
https://github.com/logos-storage/plonky2.git
synced 2026-01-05 07:13:08 +00:00
Precompiles interface (#983)
* Start * Some sha256 test passing * precompiles folder * Files reorg * Progress * Minor * Start of sha2 interface * All call opcodes * ecrec * rip160 * Fix copy_returndata_to_mem * id * bn_add * bn_mul * TODOs for snarkv and blake2 * Comments * Use charge_gas_const when possible * Minor * Minor * Minor * PR feedback
This commit is contained in:
wborgeaud
GitHub
parent
b896f9b2da
commit
b721236eb3
@ -40,6 +40,16 @@ pub(crate) fn combined_kernel() -> Kernel {
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include_str!("asm/core/util.asm"),
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include_str!("asm/core/access_lists.asm"),
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include_str!("asm/core/selfdestruct_list.asm"),
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include_str!("asm/core/precompiles/main.asm"),
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include_str!("asm/core/precompiles/ecrec.asm"),
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include_str!("asm/core/precompiles/sha256.asm"),
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include_str!("asm/core/precompiles/rip160.asm"),
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include_str!("asm/core/precompiles/id.asm"),
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include_str!("asm/core/precompiles/expmod.asm"),
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include_str!("asm/core/precompiles/bn_add.asm"),
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include_str!("asm/core/precompiles/bn_mul.asm"),
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include_str!("asm/core/precompiles/snarkv.asm"),
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include_str!("asm/core/precompiles/blake2_f.asm"),
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include_str!("asm/curve/bls381/util.asm"),
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include_str!("asm/curve/bn254/curve_arithmetic/constants.asm"),
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include_str!("asm/curve/bn254/curve_arithmetic/curve_add.asm"),
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@ -29,19 +29,24 @@ global sys_call:
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// stack: new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size
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// TODO: Consider call depth
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%stack (new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size) ->
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(new_ctx, args_offset, args_size, new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size)
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%copy_mem_to_calldata
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// stack: new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size
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DUP5 DUP5 %address %transfer_eth %jumpi(panic) // TODO: Fix this panic.
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DUP3 %set_new_ctx_gas_limit
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%set_new_ctx_parent_pc(after_call_instruction)
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DUP9 DUP9 DUP4 DUP4 DUP8 // Duplicate address, new_ctx, kexit_info, ret_offset, and ret_size.
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// stack: address, new_ctx, kexit_info, ret_offset, ret_size, ...
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%handle_precompiles
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// stack: new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size
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// Each line in the block below does not change the stack.
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DUP4 %set_new_ctx_addr
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%address %set_new_ctx_caller
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DUP5 %set_new_ctx_value
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DUP5 DUP5 %address %transfer_eth %jumpi(panic) // TODO: Fix this panic.
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%set_new_ctx_parent_pc(after_call_instruction)
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DUP3 %set_new_ctx_gas_limit
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DUP4 %set_new_ctx_code
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%stack (new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size) ->
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(new_ctx, args_offset, args_size, new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size)
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%copy_mem_to_calldata
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// stack: new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size
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%stack (new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size)
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-> (new_ctx, kexit_info, ret_offset, ret_size)
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@ -69,17 +74,23 @@ global sys_callcode:
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%create_context
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// stack: new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size
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%stack (new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size) ->
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(new_ctx, args_offset, args_size, new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size)
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%copy_mem_to_calldata
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// stack: new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size
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DUP3 %set_new_ctx_gas_limit
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%set_new_ctx_parent_pc(after_call_instruction)
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DUP9 DUP9 DUP4 DUP4 DUP8 // Duplicate address, new_ctx, kexit_info, ret_offset, and ret_size.
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// stack: address, new_ctx, kexit_info, ret_offset, ret_size, ...
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%handle_precompiles
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// stack: new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size
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// Each line in the block below does not change the stack.
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%address %set_new_ctx_addr
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%address %set_new_ctx_caller
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DUP5 %set_new_ctx_value
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%set_new_ctx_parent_pc(after_call_instruction)
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DUP3 %set_new_ctx_gas_limit
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DUP4 %set_new_ctx_code
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%stack (new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size) ->
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(new_ctx, args_offset, args_size, new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size)
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%copy_mem_to_calldata
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// stack: new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size
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%stack (new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size)
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@ -113,18 +124,24 @@ global sys_staticcall:
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%create_context
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// stack: new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size
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%stack (new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size) ->
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(new_ctx, args_offset, args_size, new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size)
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%copy_mem_to_calldata
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// stack: new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size
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DUP3 %set_new_ctx_gas_limit
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%set_new_ctx_parent_pc(after_call_instruction)
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DUP9 DUP9 DUP4 DUP4 DUP8 // Duplicate address, new_ctx, kexit_info, ret_offset, and ret_size.
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// stack: address, new_ctx, kexit_info, ret_offset, ret_size, ...
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%handle_precompiles
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// stack: new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size
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// Each line in the block below does not change the stack.
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%set_static_true
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DUP4 %set_new_ctx_addr
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%address %set_new_ctx_caller
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PUSH 0 %set_new_ctx_value
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%set_new_ctx_parent_pc(after_call_instruction)
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DUP3 %set_new_ctx_gas_limit
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DUP4 %set_new_ctx_code
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%stack (new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size) ->
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(new_ctx, args_offset, args_size, new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size)
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%copy_mem_to_calldata
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%stack (new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size)
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-> (new_ctx, kexit_info, ret_offset, ret_size)
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@ -155,18 +172,24 @@ global sys_delegatecall:
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%create_context
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// stack: new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size
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%stack (new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size) ->
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(new_ctx, args_offset, args_size, new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size)
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%copy_mem_to_calldata
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// stack: new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size
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DUP3 %set_new_ctx_gas_limit
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%set_new_ctx_parent_pc(after_call_instruction)
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DUP9 DUP9 DUP4 DUP4 DUP8 // Duplicate address, new_ctx, kexit_info, ret_offset, and ret_size.
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// stack: address, new_ctx, kexit_info, ret_offset, ret_size, ...
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%handle_precompiles
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// stack: new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size
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// Each line in the block below does not change the stack.
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%address %set_new_ctx_addr
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%caller %set_new_ctx_caller
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%callvalue %set_new_ctx_value
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%set_new_ctx_parent_pc(after_call_instruction)
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DUP3 %set_new_ctx_gas_limit
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DUP4 %set_new_ctx_code
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%stack (new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size) ->
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(new_ctx, args_offset, args_size, new_ctx, kexit_info, callgas, address, value, args_offset, args_size, ret_offset, ret_size)
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%copy_mem_to_calldata
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%stack (new_ctx, kexit_info, callgas, address, args_offset, args_size, ret_offset, ret_size)
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-> (new_ctx, kexit_info, ret_offset, ret_size)
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%enter_new_ctx
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3
evm/src/cpu/kernel/asm/core/precompiles/blake2_f.asm
Normal file
3
evm/src/cpu/kernel/asm/core/precompiles/blake2_f.asm
Normal file
@ -0,0 +1,3 @@
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global precompile_blake2_f:
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// TODO
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PANIC
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48
evm/src/cpu/kernel/asm/core/precompiles/bn_add.asm
Normal file
48
evm/src/cpu/kernel/asm/core/precompiles/bn_add.asm
Normal file
@ -0,0 +1,48 @@
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global precompile_bn_add:
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// stack: address, retdest, new_ctx, kexit_info, ret_offset, ret_size
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%pop2
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// stack: new_ctx, kexit_info, ret_offset, ret_size
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DUP1
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SET_CONTEXT
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// stack: (empty)
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PUSH 0x100000000 // = 2^32 (is_kernel = true)
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// stack: kexit_info
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%charge_gas_const(@BN_ADD_GAS)
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// Load x0, y0, x1, y1 from the call data using `mload_packing`.
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GET_CONTEXT
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%stack (ctx, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 96, 32, bn_add_contd, kexit_info)
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%jump(mload_packing)
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bn_add_contd:
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GET_CONTEXT
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%stack (ctx, y1, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 64, 32, bn_add_contd2, y1, kexit_info)
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%jump(mload_packing)
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bn_add_contd2:
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GET_CONTEXT
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%stack (ctx, x1, y1, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 32, 32, bn_add_contd3, x1, y1, kexit_info)
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%jump(mload_packing)
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bn_add_contd3:
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GET_CONTEXT
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%stack (ctx, y0, x1, y1, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 0, 32, bn_add_contd4, y0, x1, y1, kexit_info)
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%jump(mload_packing)
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bn_add_contd4:
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%stack (x0, y0, x1, y1, kexit_info) -> (x0, y0, x1, y1, bn_add_contd5, kexit_info)
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%jump(bn_add)
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bn_add_contd5:
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// stack: x, y, kexit_info
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DUP2 %eq_const(@U256_MAX) // bn_add returns (U256_MAX, U256_MAX) on bad input.
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DUP2 %eq_const(@U256_MAX) // bn_add returns (U256_MAX, U256_MAX) on bad input.
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MUL // Cheaper than AND
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%jumpi(fault_exception)
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// stack: x, y, kexit_info
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// Store the result (x, y) to the parent's return data using `mstore_unpacking`.
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%mstore_parent_context_metadata(@CTX_METADATA_RETURNDATA_SIZE, 64)
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%mload_context_metadata(@CTX_METADATA_PARENT_CONTEXT)
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%stack (parent_ctx, x, y) -> (parent_ctx, @SEGMENT_RETURNDATA, 0, x, 32, bn_add_contd6, parent_ctx, y)
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%jump(mstore_unpacking)
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bn_add_contd6:
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POP
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%stack (parent_ctx, y) -> (parent_ctx, @SEGMENT_RETURNDATA, 32, y, 32, pop_and_return_success)
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%jump(mstore_unpacking)
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44
evm/src/cpu/kernel/asm/core/precompiles/bn_mul.asm
Normal file
44
evm/src/cpu/kernel/asm/core/precompiles/bn_mul.asm
Normal file
@ -0,0 +1,44 @@
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global precompile_bn_mul:
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// stack: address, retdest, new_ctx, kexit_info, ret_offset, ret_size
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%pop2
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// stack: new_ctx, kexit_info, ret_offset, ret_size
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DUP1
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SET_CONTEXT
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// stack: (empty)
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PUSH 0x100000000 // = 2^32 (is_kernel = true)
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// stack: kexit_info
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%charge_gas_const(@BN_MUL_GAS)
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// Load x, y, n from the call data using `mload_packing`.
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GET_CONTEXT
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%stack (ctx, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 64, 32, bn_mul_contd, kexit_info)
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%jump(mload_packing)
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bn_mul_contd:
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GET_CONTEXT
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%stack (ctx, n, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 32, 32, bn_mul_contd2, n, kexit_info)
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%jump(mload_packing)
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bn_mul_contd2:
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GET_CONTEXT
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%stack (ctx, y, n, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 0, 32, bn_mul_contd3, y, n, kexit_info)
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%jump(mload_packing)
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bn_mul_contd3:
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%stack (x, y, n, kexit_info) -> (x, y, n, bn_mul_contd4, kexit_info)
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%jump(bn_mul)
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bn_mul_contd4:
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// stack: Px, Py, kexit_info
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DUP2 %eq_const(@U256_MAX) // bn_mul returns (U256_MAX, U256_MAX) on bad input.
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DUP2 %eq_const(@U256_MAX) // bn_mul returns (U256_MAX, U256_MAX) on bad input.
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MUL // Cheaper than AND
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%jumpi(fault_exception)
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// stack: Px, Py, kexit_info
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// Store the result (Px, Py) to the parent's return data using `mstore_unpacking`.
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%mstore_parent_context_metadata(@CTX_METADATA_RETURNDATA_SIZE, 64)
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%mload_context_metadata(@CTX_METADATA_PARENT_CONTEXT)
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%stack (parent_ctx, Px, Py) -> (parent_ctx, @SEGMENT_RETURNDATA, 0, Px, 32, bn_mul_contd6, parent_ctx, Py)
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%jump(mstore_unpacking)
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bn_mul_contd6:
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POP
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%stack (parent_ctx, Py) -> (parent_ctx, @SEGMENT_RETURNDATA, 32, Py, 32, pop_and_return_success)
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%jump(mstore_unpacking)
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45
evm/src/cpu/kernel/asm/core/precompiles/ecrec.asm
Normal file
45
evm/src/cpu/kernel/asm/core/precompiles/ecrec.asm
Normal file
@ -0,0 +1,45 @@
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global precompile_ecrec:
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// stack: address, retdest, new_ctx, kexit_info, ret_offset, ret_size
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%pop2
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// stack: new_ctx, kexit_info, ret_offset, ret_size
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DUP1
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SET_CONTEXT
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// stack: (empty)
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PUSH 0x100000000 // = 2^32 (is_kernel = true)
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// stack: kexit_info
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%charge_gas_const(@ECREC_GAS)
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// Load hash, v, r, s from the call data using `mload_packing`.
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GET_CONTEXT
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%stack (ctx, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 96, 32, ecrec_contd, kexit_info)
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%jump(mload_packing)
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ecrec_contd:
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GET_CONTEXT
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%stack (ctx, s, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 64, 32, ecrec_contd2, s, kexit_info)
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%jump(mload_packing)
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ecrec_contd2:
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GET_CONTEXT
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%stack (ctx, r, s, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 32, 32, ecrec_contd3, r, s, kexit_info)
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%jump(mload_packing)
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ecrec_contd3:
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GET_CONTEXT
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%stack (ctx, v, r, s, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 0, 32, ecrec_contd4, v, r, s, kexit_info)
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%jump(mload_packing)
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ecrec_contd4:
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%stack (hash, v, r, s, kexit_info) -> (hash, v, r, s, ecrec_contd5, kexit_info)
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%jump(ecrecover)
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ecrec_contd5:
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// stack: address, kexit_info
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DUP1 %eq_const(@U256_MAX) %jumpi(ecrec_bad_input) // ecrecover returns U256_MAX on bad input.
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// Store the result address to the parent's return data using `mstore_unpacking`.
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%mstore_parent_context_metadata(@CTX_METADATA_RETURNDATA_SIZE, 32)
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%mload_context_metadata(@CTX_METADATA_PARENT_CONTEXT)
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%stack (parent_ctx, address) -> (parent_ctx, @SEGMENT_RETURNDATA, 0, address, 32, pop_and_return_success)
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%jump(mstore_unpacking)
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// On bad input, return empty return data but still return success.
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ecrec_bad_input:
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%mstore_parent_context_metadata(@CTX_METADATA_RETURNDATA_SIZE, 0)
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%jump(pop_and_return_success)
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3
evm/src/cpu/kernel/asm/core/precompiles/expmod.asm
Normal file
3
evm/src/cpu/kernel/asm/core/precompiles/expmod.asm
Normal file
@ -0,0 +1,3 @@
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global precompile_expmod:
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// TODO
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PANIC
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38
evm/src/cpu/kernel/asm/core/precompiles/id.asm
Normal file
38
evm/src/cpu/kernel/asm/core/precompiles/id.asm
Normal file
@ -0,0 +1,38 @@
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global precompile_id:
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// stack: address, retdest, new_ctx, kexit_info, ret_offset, ret_size
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%pop2
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// stack: new_ctx, kexit_info, ret_offset, ret_size
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DUP1
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SET_CONTEXT
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// stack: (empty)
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PUSH 0x100000000 // = 2^32 (is_kernel = true)
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// stack: kexit_info
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%calldatasize
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%num_bytes_to_num_words
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// stack: data_words_len, kexit_info
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%mul_const(@ID_DYNAMIC_GAS)
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PUSH @ID_STATIC_GAS
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ADD
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// stack: gas, kexit_info
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%charge_gas
|
||||
|
||||
// Simply copy the call data to the parent's return data.
|
||||
%calldatasize
|
||||
DUP1 %mstore_parent_context_metadata(@CTX_METADATA_RETURNDATA_SIZE)
|
||||
GET_CONTEXT
|
||||
%mload_context_metadata(@CTX_METADATA_PARENT_CONTEXT)
|
||||
%stack (parent_ctx, ctx, size) ->
|
||||
(
|
||||
parent_ctx, @SEGMENT_RETURNDATA, 0, // DST
|
||||
ctx, @SEGMENT_CALLDATA, 0, // SRC
|
||||
size, id_contd // count, retdest
|
||||
)
|
||||
%jump(memcpy)
|
||||
|
||||
id_contd:
|
||||
// stack: kexit_info
|
||||
%leftover_gas
|
||||
// stack: leftover_gas
|
||||
PUSH 1 // success
|
||||
%jump(terminate_common)
|
||||
135
evm/src/cpu/kernel/asm/core/precompiles/main.asm
Normal file
135
evm/src/cpu/kernel/asm/core/precompiles/main.asm
Normal file
@ -0,0 +1,135 @@
|
||||
%macro handle_precompiles
|
||||
// stack: address, new_ctx, kexit_info, ret_offset, ret_size
|
||||
PUSH %%after
|
||||
SWAP1
|
||||
// stack: address, %%after, new_ctx, kexit_info, ret_offset, ret_size
|
||||
%jump(handle_precompiles)
|
||||
%%after:
|
||||
// stack: new_ctx, kexit_info, ret_offset, ret_size
|
||||
%pop4
|
||||
%endmacro
|
||||
|
||||
global handle_precompiles:
|
||||
// stack: address, retdest, new_ctx, kexit_info, ret_offset, ret_size
|
||||
DUP1 %eq_const(@ECREC) %jumpi(precompile_ecrec)
|
||||
DUP1 %eq_const(@SHA256) %jumpi(precompile_sha256)
|
||||
DUP1 %eq_const(@RIP160) %jumpi(precompile_rip160)
|
||||
DUP1 %eq_const(@ID) %jumpi(precompile_id)
|
||||
DUP1 %eq_const(@EXPMOD) %jumpi(precompile_expmod)
|
||||
DUP1 %eq_const(@BN_ADD) %jumpi(precompile_bn_add)
|
||||
DUP1 %eq_const(@BN_MUL) %jumpi(precompile_bn_mul)
|
||||
DUP1 %eq_const(@SNARKV) %jumpi(precompile_snarkv)
|
||||
%eq_const(@BLAKE2_F) %jumpi(precompile_blake2_f)
|
||||
// stack: retdest
|
||||
JUMP
|
||||
|
||||
global pop_and_return_success:
|
||||
// stack: _unused, kexit_info
|
||||
POP
|
||||
%leftover_gas
|
||||
// stack: leftover_gas
|
||||
PUSH 1 // success
|
||||
%jump(terminate_common)
|
||||
|
||||
%macro zero_out_kernel_general
|
||||
PUSH 0 PUSH 0 %mstore_kernel_general
|
||||
PUSH 0 PUSH 1 %mstore_kernel_general
|
||||
PUSH 0 PUSH 2 %mstore_kernel_general
|
||||
PUSH 0 PUSH 3 %mstore_kernel_general
|
||||
PUSH 0 PUSH 4 %mstore_kernel_general
|
||||
PUSH 0 PUSH 5 %mstore_kernel_general
|
||||
PUSH 0 PUSH 6 %mstore_kernel_general
|
||||
PUSH 0 PUSH 7 %mstore_kernel_general
|
||||
PUSH 0 PUSH 8 %mstore_kernel_general
|
||||
PUSH 0 PUSH 9 %mstore_kernel_general
|
||||
PUSH 0 PUSH 10 %mstore_kernel_general
|
||||
PUSH 0 PUSH 11 %mstore_kernel_general
|
||||
PUSH 0 PUSH 12 %mstore_kernel_general
|
||||
PUSH 0 PUSH 13 %mstore_kernel_general
|
||||
PUSH 0 PUSH 14 %mstore_kernel_general
|
||||
PUSH 0 PUSH 15 %mstore_kernel_general
|
||||
PUSH 0 PUSH 16 %mstore_kernel_general
|
||||
PUSH 0 PUSH 17 %mstore_kernel_general
|
||||
PUSH 0 PUSH 18 %mstore_kernel_general
|
||||
PUSH 0 PUSH 19 %mstore_kernel_general
|
||||
PUSH 0 PUSH 20 %mstore_kernel_general
|
||||
PUSH 0 PUSH 21 %mstore_kernel_general
|
||||
PUSH 0 PUSH 22 %mstore_kernel_general
|
||||
PUSH 0 PUSH 23 %mstore_kernel_general
|
||||
PUSH 0 PUSH 24 %mstore_kernel_general
|
||||
PUSH 0 PUSH 25 %mstore_kernel_general
|
||||
PUSH 0 PUSH 26 %mstore_kernel_general
|
||||
PUSH 0 PUSH 27 %mstore_kernel_general
|
||||
PUSH 0 PUSH 28 %mstore_kernel_general
|
||||
PUSH 0 PUSH 29 %mstore_kernel_general
|
||||
PUSH 0 PUSH 30 %mstore_kernel_general
|
||||
PUSH 0 PUSH 31 %mstore_kernel_general
|
||||
PUSH 0 PUSH 32 %mstore_kernel_general
|
||||
PUSH 0 PUSH 33 %mstore_kernel_general
|
||||
PUSH 0 PUSH 34 %mstore_kernel_general
|
||||
PUSH 0 PUSH 35 %mstore_kernel_general
|
||||
PUSH 0 PUSH 36 %mstore_kernel_general
|
||||
PUSH 0 PUSH 37 %mstore_kernel_general
|
||||
PUSH 0 PUSH 38 %mstore_kernel_general
|
||||
PUSH 0 PUSH 39 %mstore_kernel_general
|
||||
PUSH 0 PUSH 40 %mstore_kernel_general
|
||||
PUSH 0 PUSH 41 %mstore_kernel_general
|
||||
PUSH 0 PUSH 42 %mstore_kernel_general
|
||||
PUSH 0 PUSH 43 %mstore_kernel_general
|
||||
PUSH 0 PUSH 44 %mstore_kernel_general
|
||||
PUSH 0 PUSH 45 %mstore_kernel_general
|
||||
PUSH 0 PUSH 46 %mstore_kernel_general
|
||||
PUSH 0 PUSH 47 %mstore_kernel_general
|
||||
PUSH 0 PUSH 48 %mstore_kernel_general
|
||||
PUSH 0 PUSH 49 %mstore_kernel_general
|
||||
PUSH 0 PUSH 50 %mstore_kernel_general
|
||||
PUSH 0 PUSH 51 %mstore_kernel_general
|
||||
PUSH 0 PUSH 52 %mstore_kernel_general
|
||||
PUSH 0 PUSH 53 %mstore_kernel_general
|
||||
PUSH 0 PUSH 54 %mstore_kernel_general
|
||||
PUSH 0 PUSH 55 %mstore_kernel_general
|
||||
PUSH 0 PUSH 56 %mstore_kernel_general
|
||||
PUSH 0 PUSH 57 %mstore_kernel_general
|
||||
PUSH 0 PUSH 58 %mstore_kernel_general
|
||||
PUSH 0 PUSH 59 %mstore_kernel_general
|
||||
PUSH 0 PUSH 60 %mstore_kernel_general
|
||||
PUSH 0 PUSH 61 %mstore_kernel_general
|
||||
PUSH 0 PUSH 62 %mstore_kernel_general
|
||||
PUSH 0 PUSH 63 %mstore_kernel_general
|
||||
PUSH 0 PUSH 64 %mstore_kernel_general
|
||||
PUSH 0 PUSH 65 %mstore_kernel_general
|
||||
PUSH 0 PUSH 66 %mstore_kernel_general
|
||||
PUSH 0 PUSH 67 %mstore_kernel_general
|
||||
PUSH 0 PUSH 68 %mstore_kernel_general
|
||||
PUSH 0 PUSH 69 %mstore_kernel_general
|
||||
PUSH 0 PUSH 70 %mstore_kernel_general
|
||||
PUSH 0 PUSH 71 %mstore_kernel_general
|
||||
PUSH 0 PUSH 72 %mstore_kernel_general
|
||||
PUSH 0 PUSH 73 %mstore_kernel_general
|
||||
PUSH 0 PUSH 74 %mstore_kernel_general
|
||||
PUSH 0 PUSH 75 %mstore_kernel_general
|
||||
PUSH 0 PUSH 76 %mstore_kernel_general
|
||||
PUSH 0 PUSH 77 %mstore_kernel_general
|
||||
PUSH 0 PUSH 78 %mstore_kernel_general
|
||||
PUSH 0 PUSH 79 %mstore_kernel_general
|
||||
PUSH 0 PUSH 80 %mstore_kernel_general
|
||||
PUSH 0 PUSH 81 %mstore_kernel_general
|
||||
PUSH 0 PUSH 82 %mstore_kernel_general
|
||||
PUSH 0 PUSH 83 %mstore_kernel_general
|
||||
PUSH 0 PUSH 84 %mstore_kernel_general
|
||||
PUSH 0 PUSH 85 %mstore_kernel_general
|
||||
PUSH 0 PUSH 86 %mstore_kernel_general
|
||||
PUSH 0 PUSH 87 %mstore_kernel_general
|
||||
PUSH 0 PUSH 88 %mstore_kernel_general
|
||||
PUSH 0 PUSH 89 %mstore_kernel_general
|
||||
PUSH 0 PUSH 90 %mstore_kernel_general
|
||||
PUSH 0 PUSH 91 %mstore_kernel_general
|
||||
PUSH 0 PUSH 92 %mstore_kernel_general
|
||||
PUSH 0 PUSH 93 %mstore_kernel_general
|
||||
PUSH 0 PUSH 94 %mstore_kernel_general
|
||||
PUSH 0 PUSH 95 %mstore_kernel_general
|
||||
PUSH 0 PUSH 96 %mstore_kernel_general
|
||||
PUSH 0 PUSH 97 %mstore_kernel_general
|
||||
PUSH 0 PUSH 98 %mstore_kernel_general
|
||||
PUSH 0 PUSH 99 %mstore_kernel_general
|
||||
%endmacro
|
||||
38
evm/src/cpu/kernel/asm/core/precompiles/rip160.asm
Normal file
38
evm/src/cpu/kernel/asm/core/precompiles/rip160.asm
Normal file
@ -0,0 +1,38 @@
|
||||
global precompile_rip160:
|
||||
// stack: address, retdest, new_ctx, kexit_info, ret_offset, ret_size
|
||||
%pop2
|
||||
// stack: new_ctx, kexit_info, ret_offset, ret_size
|
||||
DUP1
|
||||
SET_CONTEXT
|
||||
// stack: (empty)
|
||||
PUSH 0x100000000 // = 2^32 (is_kernel = true)
|
||||
// stack: kexit_info
|
||||
|
||||
%calldatasize
|
||||
%num_bytes_to_num_words
|
||||
// stack: data_words_len, kexit_info
|
||||
%mul_const(@RIP160_DYNAMIC_GAS)
|
||||
PUSH @RIP160_STATIC_GAS
|
||||
ADD
|
||||
// stack: gas, kexit_info
|
||||
%charge_gas
|
||||
|
||||
// Copy the call data to the kernel general segment (ripemd expects it there) and call ripemd.
|
||||
%calldatasize
|
||||
GET_CONTEXT
|
||||
%stack (ctx, size) ->
|
||||
(
|
||||
0, @SEGMENT_KERNEL_GENERAL, 200, // DST
|
||||
ctx, @SEGMENT_CALLDATA, 0, // SRC
|
||||
size, ripemd, // count, retdest
|
||||
200, size, rip160_contd // ripemd input: virt, num_bytes, retdest
|
||||
)
|
||||
%jump(memcpy)
|
||||
|
||||
rip160_contd:
|
||||
// stack: hash, kexit_info
|
||||
// Store the result hash to the parent's return data using `mstore_unpacking`.
|
||||
%mstore_parent_context_metadata(@CTX_METADATA_RETURNDATA_SIZE, 32)
|
||||
%mload_context_metadata(@CTX_METADATA_PARENT_CONTEXT)
|
||||
%stack (parent_ctx, hash) -> (parent_ctx, @SEGMENT_RETURNDATA, 0, hash, 32, pop_and_return_success)
|
||||
%jump(mstore_unpacking)
|
||||
41
evm/src/cpu/kernel/asm/core/precompiles/sha256.asm
Normal file
41
evm/src/cpu/kernel/asm/core/precompiles/sha256.asm
Normal file
@ -0,0 +1,41 @@
|
||||
global precompile_sha256:
|
||||
// stack: address, retdest, new_ctx, kexit_info, ret_offset, ret_size
|
||||
%pop2
|
||||
// stack: new_ctx, kexit_info, ret_offset, ret_size
|
||||
DUP1
|
||||
SET_CONTEXT
|
||||
// stack: (empty)
|
||||
PUSH 0x100000000 // = 2^32 (is_kernel = true)
|
||||
// stack: kexit_info
|
||||
|
||||
%calldatasize
|
||||
%num_bytes_to_num_words
|
||||
// stack: data_words_len, kexit_info
|
||||
%mul_const(@SHA256_DYNAMIC_GAS)
|
||||
PUSH @SHA256_STATIC_GAS
|
||||
ADD
|
||||
// stack: gas, kexit_info
|
||||
%charge_gas
|
||||
|
||||
// TODO: fix this
|
||||
%zero_out_kernel_general
|
||||
|
||||
// Copy the call data to the kernel general segment (sha2 expects it there) and call sha2.
|
||||
%calldatasize
|
||||
GET_CONTEXT
|
||||
%stack (ctx, size) ->
|
||||
(
|
||||
0, @SEGMENT_KERNEL_GENERAL, 1, // DST
|
||||
ctx, @SEGMENT_CALLDATA, 0, // SRC
|
||||
size, sha2, // count, retdest
|
||||
0, size, sha256_contd // sha2 input: virt, num_bytes, retdest
|
||||
)
|
||||
%jump(memcpy)
|
||||
|
||||
sha256_contd:
|
||||
// stack: hash, kexit_info
|
||||
// Store the result hash to the parent's return data using `mstore_unpacking`.
|
||||
%mstore_parent_context_metadata(@CTX_METADATA_RETURNDATA_SIZE, 32)
|
||||
%mload_context_metadata(@CTX_METADATA_PARENT_CONTEXT)
|
||||
%stack (parent_ctx, hash) -> (parent_ctx, @SEGMENT_RETURNDATA, 0, hash, 32, pop_and_return_success)
|
||||
%jump(mstore_unpacking)
|
||||
3
evm/src/cpu/kernel/asm/core/precompiles/snarkv.asm
Normal file
3
evm/src/cpu/kernel/asm/core/precompiles/snarkv.asm
Normal file
@ -0,0 +1,3 @@
|
||||
global precompile_snarkv:
|
||||
// TODO
|
||||
PANIC
|
||||
@ -1,6 +1,7 @@
|
||||
// BN254 elliptic curve addition.
|
||||
// Uses the standard affine addition formula.
|
||||
global bn_add:
|
||||
// stack: x0, y0, x1, y1, retdest
|
||||
// Check if points are valid BN254 points.
|
||||
DUP2
|
||||
// stack: y0, x0, y0, x1, y1, retdest
|
||||
@ -257,7 +258,7 @@ global bn_double:
|
||||
// Return (u256::MAX, u256::MAX) which is used to indicate the input was invalid.
|
||||
%macro bn_invalid_input
|
||||
// stack: retdest
|
||||
PUSH 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
|
||||
PUSH @U256_MAX
|
||||
// stack: u256::MAX, retdest
|
||||
DUP1
|
||||
// stack: u256::MAX, u256::MAX, retdest
|
||||
|
||||
@ -108,9 +108,7 @@ pubkey_to_addr:
|
||||
// stack: PKx, PKy, retdest
|
||||
%keccak256_u256_pair
|
||||
// stack: hash, retdest
|
||||
PUSH 0xffffffffffffffffffffffffffffffffffffffff
|
||||
// stack: 2^160-1, hash, retdest
|
||||
AND
|
||||
%u256_to_addr
|
||||
// stack: address, retdest
|
||||
SWAP1
|
||||
// stack: retdest, address
|
||||
|
||||
@ -6,7 +6,7 @@ global sha2:
|
||||
// stack: virt, num_bytes, virt, retdest
|
||||
%mstore_kernel_general
|
||||
// stack: virt, retdest
|
||||
|
||||
|
||||
|
||||
// Precodition: input is in memory, starting at virt of kernel general segment, of the form
|
||||
// num_bytes, x[0], x[1], ..., x[num_bytes - 1]
|
||||
|
||||
@ -36,6 +36,10 @@ pub fn evm_constants() -> HashMap<String, U256> {
|
||||
c.insert(name.into(), U256::from(value));
|
||||
}
|
||||
|
||||
for (name, value) in PRECOMPILES_GAS {
|
||||
c.insert(name.into(), U256::from(value));
|
||||
}
|
||||
|
||||
for segment in Segment::all() {
|
||||
c.insert(segment.var_name().into(), (segment as u32).into());
|
||||
}
|
||||
@ -207,3 +211,19 @@ const PRECOMPILES: [(&str, u16); 9] = [
|
||||
("SNARKV", 8),
|
||||
("BLAKE2_F", 9),
|
||||
];
|
||||
|
||||
const PRECOMPILES_GAS: [(&str, u16); 13] = [
|
||||
("ECREC_GAS", 3_000),
|
||||
("SHA256_STATIC_GAS", 60),
|
||||
("SHA256_DYNAMIC_GAS", 12),
|
||||
("RIP160_STATIC_GAS", 600),
|
||||
("RIP160_DYNAMIC_GAS", 120),
|
||||
("ID_STATIC_GAS", 15),
|
||||
("ID_DYNAMIC_GAS", 3),
|
||||
("EXPMOD_MIN_GAS", 200),
|
||||
("BN_ADD_GAS", 150),
|
||||
("BN_MUL_GAS", 6_000),
|
||||
("SNARKV_STATIC_GAS", 45_000),
|
||||
("SNARKV_DYNAMIC_GAS", 34_000),
|
||||
("BLAKE2_F_DYNAMIC_GAS", 1),
|
||||
];
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user