mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-04-05 11:18:18 +02:00
241 lines
8.1 KiB
ObjectPascal
241 lines
8.1 KiB
ObjectPascal
{
|
|
Copyright (c) 1998-2017 by Florian Klaempfl
|
|
|
|
Generates AVR inline nodes
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
****************************************************************************
|
|
}
|
|
unit navrinl;
|
|
|
|
{$i fpcdefs.inc}
|
|
|
|
interface
|
|
|
|
uses
|
|
node,ninl,ncginl, aasmbase;
|
|
|
|
type
|
|
tavrinlinenode = class(tcginlinenode)
|
|
procedure second_abs_long; override;
|
|
|
|
function pass_typecheck_cpu:tnode;override;
|
|
function first_cpu : tnode;override;
|
|
procedure pass_generate_code_cpu;override;
|
|
end;
|
|
|
|
implementation
|
|
|
|
uses
|
|
verbose,globtype,globals,
|
|
constexp,
|
|
compinnr,
|
|
aasmdata,
|
|
aasmcpu,
|
|
symdef,
|
|
defutil,
|
|
hlcgobj,
|
|
pass_2,
|
|
cgbase, cgobj, cgutils,
|
|
ncon,ncal,
|
|
cpubase;
|
|
|
|
procedure tavrinlinenode.second_abs_long;
|
|
var
|
|
hl: TAsmLabel;
|
|
size: TCgSize;
|
|
dummyloc: tlocation;
|
|
begin
|
|
secondpass(left);
|
|
hlcg.location_force_reg(current_asmdata.CurrAsmList,left.location,left.resultdef,left.resultdef,false);
|
|
|
|
location:=left.location;
|
|
location.register:=hlcg.getintregister(current_asmdata.CurrAsmList,resultdef);
|
|
|
|
size:=def_cgsize(resultdef);
|
|
|
|
current_asmdata.getjumplabel(hl);
|
|
cg.a_cmp_const_reg_label(current_asmdata.CurrAsmList,size,OC_GTE,0,left.location.register,hl);
|
|
cg.a_op_reg_reg(current_asmdata.CurrAsmList,OP_NEG,size,left.location.register,location.register);
|
|
|
|
if cs_check_overflow in current_settings.localswitches then
|
|
cg.g_overflowcheck(current_asmdata.CurrAsmList,dummyloc,resultdef);
|
|
|
|
cg.a_label(current_asmdata.CurrAsmList,hl);
|
|
end;
|
|
|
|
|
|
function tavrinlinenode.pass_typecheck_cpu : tnode;
|
|
var
|
|
para1,para2,para3,para4: tcallparanode;
|
|
begin
|
|
Result:=nil;
|
|
case inlinenumber of
|
|
in_avr_nop,
|
|
in_avr_sleep,
|
|
in_avr_sei,
|
|
in_avr_wdr,
|
|
in_avr_cli:
|
|
begin
|
|
CheckParameters(0);
|
|
resultdef:=voidtype;
|
|
end;
|
|
in_avr_save:
|
|
begin
|
|
CheckParameters(0);
|
|
resultdef:=u8inttype;
|
|
end;
|
|
in_avr_restore:
|
|
begin
|
|
CheckParameters(1);
|
|
resultdef:=voidtype;
|
|
end;
|
|
in_avr_des:
|
|
begin
|
|
CheckParameters(4);
|
|
resultdef:=voidtype;
|
|
para4:=tcallparanode(left);
|
|
para3:=tcallparanode(tcallparanode(para4).nextpara);
|
|
para2:=tcallparanode(tcallparanode(para3).nextpara);
|
|
para1:=tcallparanode(tcallparanode(para2).nextpara);
|
|
if not(is_constintnode(para4.paravalue)) then
|
|
MessagePos(para4.paravalue.fileinfo,type_e_constant_expr_expected);
|
|
if not(is_constboolnode(para3.paravalue)) then
|
|
MessagePos(para3.paravalue.fileinfo,type_e_constant_expr_expected);
|
|
if (tordconstnode(para4.paravalue).value<0) or
|
|
(tordconstnode(para4.paravalue).value>15) then
|
|
MessagePos(para4.paravalue.fileinfo,parser_e_range_check_error);
|
|
end;
|
|
else
|
|
Result:=inherited pass_typecheck_cpu;
|
|
end;
|
|
end;
|
|
|
|
|
|
function tavrinlinenode.first_cpu : tnode;
|
|
begin
|
|
Result:=nil;
|
|
case inlinenumber of
|
|
in_avr_nop,
|
|
in_avr_sleep,
|
|
in_avr_sei,
|
|
in_avr_wdr,
|
|
in_avr_cli,
|
|
in_avr_restore,
|
|
in_avr_des:
|
|
begin
|
|
expectloc:=LOC_VOID;
|
|
resultdef:=voidtype;
|
|
end;
|
|
in_avr_save:
|
|
begin
|
|
expectloc:=LOC_REGISTER;
|
|
resultdef:=u8inttype;
|
|
end;
|
|
else
|
|
Result:=inherited first_cpu;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure tavrinlinenode.pass_generate_code_cpu;
|
|
var
|
|
para1,para2,para3,para4: tcallparanode;
|
|
ref: treference;
|
|
r: TRegister;
|
|
begin
|
|
case inlinenumber of
|
|
in_avr_nop:
|
|
current_asmdata.CurrAsmList.concat(taicpu.op_none(A_NOP));
|
|
in_avr_sleep:
|
|
current_asmdata.CurrAsmList.concat(taicpu.op_none(A_SLEEP));
|
|
in_avr_sei:
|
|
current_asmdata.CurrAsmList.concat(taicpu.op_none(A_SEI));
|
|
in_avr_wdr:
|
|
current_asmdata.CurrAsmList.concat(taicpu.op_none(A_WDR));
|
|
in_avr_cli:
|
|
current_asmdata.CurrAsmList.concat(taicpu.op_none(A_CLI));
|
|
in_avr_save:
|
|
begin
|
|
location_reset(location,LOC_CREGISTER,OS_8);
|
|
location.register:=cg.getintregister(current_asmdata.CurrAsmList,OS_8);
|
|
|
|
current_asmdata.CurrAsmList.concat(taicpu.op_reg_const(A_IN, location.register, NIO_SREG));
|
|
current_asmdata.CurrAsmList.concat(taicpu.op_none(A_CLI));
|
|
end;
|
|
in_avr_restore:
|
|
begin
|
|
secondpass(left);
|
|
hlcg.location_force_reg(current_asmdata.CurrAsmList,left.location,left.resultdef,left.resultdef,false);
|
|
current_asmdata.CurrAsmList.concat(taicpu.op_const_reg(A_OUT, NIO_SREG, left.location.register));
|
|
end;
|
|
in_avr_des:
|
|
begin
|
|
para4:=tcallparanode(left);
|
|
para3:=tcallparanode(tcallparanode(para4).nextpara);
|
|
para2:=tcallparanode(tcallparanode(para3).nextpara);
|
|
para1:=tcallparanode(tcallparanode(para2).nextpara);
|
|
secondpass(tcallparanode(para1).paravalue);
|
|
secondpass(tcallparanode(para2).paravalue);
|
|
|
|
cg.getcpuregister(current_asmdata.CurrAsmList,NR_R30);
|
|
cg.getcpuregister(current_asmdata.CurrAsmList,NR_R31);
|
|
|
|
cg.a_loadaddr_ref_reg(current_asmdata.CurrAsmList,tcallparanode(para2).paravalue.location.reference,NR_R30);
|
|
reference_reset(ref,0,[]);
|
|
ref.base:=NR_R30;
|
|
for r:=NR_R8 to NR_R15 do
|
|
begin
|
|
cg.getcpuregister(current_asmdata.CurrAsmList,r);
|
|
cg.a_load_ref_reg(current_asmdata.CurrAsmList,OS_8,OS_8,ref,r);
|
|
inc(ref.offset);
|
|
end;
|
|
cg.a_loadaddr_ref_reg(current_asmdata.CurrAsmList,tcallparanode(para1).paravalue.location.reference,NR_R30);
|
|
reference_reset(ref,0,[]);
|
|
ref.base:=NR_R30;
|
|
for r:=NR_R0 to NR_R7 do
|
|
begin
|
|
cg.getcpuregister(current_asmdata.CurrAsmList,r);
|
|
cg.a_load_ref_reg(current_asmdata.CurrAsmList,OS_8,OS_8,ref,r);
|
|
inc(ref.offset);
|
|
end;
|
|
if tordconstnode(para3.paravalue).value=0 then
|
|
current_asmdata.CurrAsmList.concat(taicpu.op_none(A_CLH))
|
|
else
|
|
current_asmdata.CurrAsmList.concat(taicpu.op_none(A_SEH));
|
|
current_asmdata.CurrAsmList.concat(taicpu.op_const(A_DES,int64(tordconstnode(para4.paravalue).value)));
|
|
|
|
for r:=NR_R8 to NR_R15 do
|
|
cg.ungetcpuregister(current_asmdata.CurrAsmList,r);
|
|
|
|
{ save data }
|
|
ref.offset:=0;
|
|
for r:=NR_R0 to NR_R7 do
|
|
begin
|
|
cg.a_load_reg_ref(current_asmdata.CurrAsmList,OS_8,OS_8,r,ref);
|
|
cg.ungetcpuregister(current_asmdata.CurrAsmList,r);
|
|
inc(ref.offset);
|
|
end;
|
|
end
|
|
else
|
|
inherited pass_generate_code_cpu;
|
|
end;
|
|
end;
|
|
|
|
begin
|
|
cinlinenode:=tavrinlinenode;
|
|
end.
|