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Initial version of cc_amd64.M1. 

Currently broken, possibly due to problems in PE header.
This commit is contained in:
Andrius Štikonas 2022-10-06 22:49:54 +01:00
parent fd021cef8f
commit 41393adeae
2 changed files with 23 additions and 18 deletions
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34
amd64/Development/cc_amd64.S
View File

@ -108,8 +108,7 @@ loop_options_done:
je failed_output # then exit
lea rdx, [rip+fout] # arg2 = &fout
push 0 # arg5 = 0
push 7 # to get 0x8000000000000003 we set the rightmost 3 bits
pop r9 # and then do right rotation by 1
mov r9, 7 # to get 0x8000000000000003 we set the rightmost 3 bits and then do right rotation by 1
ror r9 # arg4 = EFI_FILE_MODE_CREATE| EFI_FILE_MODE_WRITE | EFI_FILE_MODE_READ
mov rcx, [rip+rootdir] # arg1 = rootdir
sub rsp, 32 # allocate shadow stack space for UEFI function
@ -420,7 +419,7 @@ malloc:
xchg rax, rbx # Put it in place
add rbx, rax # Request number of desired bytes
mov [rip+malloc_pointer], rbx # Save malloc_pointer
pop rbx
pop rbx # Restore RBX
ret
@ -642,7 +641,7 @@ fgetc:
mov rcx, [rip+fin] # arg1 = fin
push 1 # size = 1
mov rdx, rsp # arg2 = &size
xor esi, esi # zero rsi
mov rsi, 0 # zero rsi
push rsi # allocate stack
mov r8, rsp # arg3 = &input
sub rsp, 24 # allocate shadow stack space for UEFI function
@ -749,7 +748,7 @@ fputc:
pushf # Protect condition
mov rcx, [rip+system] # get system
mov rcx, [rcx+64] # system->out (system->err doesn't print anything for some reason)
mov [rip+WCHAR], al # Convert to WCHAR
mov [rip+WCHAR], rax # Convert to WCHAR
lea rdx, [rip+WCHAR] # arg3 = *WCHAR
sub rsp, 16 # allocate shadow stack space for UEFI function
call [rcx+8] # system->err->output_string(system->err, WCHAR*)
@ -1122,7 +1121,7 @@ statement_if:
jmp statement_done # be done
statement_do:
lea rax, [rip+do_string] # Using "do
lea rax, [rip+do_string] # Using "do"
call match # IF global_token->S == "do"
cmp rax, 0 # then we have a do statement
jne statement_while # otherwise try WHILE
@ -2037,7 +2036,7 @@ process_break_iter:
cmp rcx, 0 # IF (NULL == I)
je process_break_cleaned # We are done
cmp rcx, rbx # IF I != break_frame
cmp rbx, rcx # IF I != break_frame
je process_break_cleaned # We are done
call emit_out # Emit it
@ -3763,7 +3762,7 @@ collect_regular_string:
push rcx # Protect RCX
push rdx # Protect RDX
mov rdx, rax # Protect our passed string
mov rax, 256 # We need 256bytes of storage
mov rax, 256 # We need 256 bytes of storage
call malloc # Get our new pointer
mov rcx, rax # put it in place
push rax # protect until done
@ -3819,7 +3818,7 @@ collect_weird_string:
push rcx # Protect RCX
push rdx # Protect RDX
mov rdx, rax # Protect our passed string
mov rax, 512 # We need 512bytes of storage
mov rax, 512 # We need 512 bytes of storage
call malloc # Get our new pointer
mov rcx, rax # put it in place
push rax # protect until done
@ -3894,8 +3893,8 @@ hex4:
jbe hex1 # yes
add al,7 # use alpha range
hex1:
mov [ecx], al # store result
add ecx, 1 # next position
mov [rcx], al # store result
add rcx, 1 # next position
ret
@ -4384,11 +4383,11 @@ numerate_number:
push rbp # Protect RBP
mov rbp, rax # Protect A
mov rax, 16 # 16bytes
mov rax, 16 # 16 bytes
call malloc # Get our pointer
push rax # Protect our pointer
mov rsi, rax # put pointer in right place
mov rbx, 0x3B9ACA00 # Set divisor to largest positive number that fits in 32bits
mov rbx, %1000000000 # Set divisor to largest positive number that fits in 32bits
cmp rbp, 0 # Deal with 0 case
je numerate_number_ZERO # If it is
@ -4538,7 +4537,7 @@ numerate_string_done:
# And aborts hard
# Does NOT return
Exit_Failure:
mov eax, 1 # All is wrong
mov rax, 1 # All is wrong
jmp Done_1 # Exit gracefully
# rcx: file handle
@ -4567,7 +4566,7 @@ open_protocol:
# rdx: &guid
# r8: agent_handle
close_protocol:
xor r9, r9 # arg4 = NULL
mov r9, 0 # arg4 = NULL
sub rsp, 32 # allocate shadow stack space for UEFI function
call [r14+288] # system->boot->close_protocol(handle, &guid, agent_handle, 0)
add rsp, 32 # deallocate stack
@ -4579,8 +4578,7 @@ close_protocol:
allocate_pool:
push rdx # allocate stack for pool pointer
mov r8, rsp # arg3 = &pool
push 2
pop rcx # arg1 = EFI_LOADER_DATA
mov rcx, 2 # arg1 = EFI_LOADER_DATA
sub rsp, 24 # allocate shadow stack space for UEFI
call [r14+64] # system->boot->allocate_pool(EFI_LOADER_DATA, 2048, &pool)
add rsp, 24 # deallocate stack
@ -4686,7 +4684,7 @@ debug_list_null:
cmp r12, 0 # Check if NULL
jne debug_list_iter # iterate otherwise
mov eax, 666 # All is HELL
mov rax, 666 # All is HELL
jmp abort # Call it a bad day
.data

7
amd64/mescc-tools-mini-kaem.kaem
View File

@ -34,3 +34,10 @@ amd64\artifact\catm.efi amd64\artifact\M0.hex2 amd64\PE32-amd64.hex2 amd64\M0.he
amd64\artifact\hex2-0.efi amd64\artifact\M0.hex2 amd64\artifact\M0.efi
# M0 is the architecture specific version of M1 and is by design single
# architecture only and will be replaced by the C code version of M1
###################################
# Phase-4 Build cc_amd64 from M0 #
###################################
amd64\artifact\M0.efi amd64\cc_amd64.M1 amd64\artifact\cc_amd64.hex2
amd64\artifact\catm.efi amd64\artifact\cc_amd64-0.hex2 amd64\PE32-amd64.hex2 amd64\artifact\cc_amd64.hex2
amd64\artifact\hex2-0.efi amd64\artifact\cc_amd64-0.hex2 amd64\artifact\cc_amd64.efi