ref: 91bbc191c7da87926dae3557cc57cd5bd75d0975
parent: 528d5a761438016ceeb6785fda0ce643a2aa85e0
author: Roberto E. Vargas Caballero <k0ga@shike2.com>
date: Wed Sep 27 11:03:37 EDT 2017
[as] Add basic support for z80
--- a/as/target/amd64/ins.c
+++ b/as/target/amd64/ins.c
@@ -2,7 +2,6 @@
#include "../../../inc/scc.h"
#include "../../as.h"
-#include "ins.h"
TUINT maxaddr = 0xFFFFFFFFFFFFFFFF;
int endian = LITTLE_ENDIAN;
--- a/as/target/amd64/target.mk
+++ b/as/target/amd64/target.mk
@@ -1,15 +1,14 @@
-target/amd64/instbl.o: target/amd64/ins.h
+AMD64_LST = target/amd64/instbl.o target/amd64/ins.o target/amd64/proc.o
+$(AMD64_LST): target/x86/proc.h
+
target/amd64/instbl.c: target/gen.awk target/x86/x86.dat
set -e ;\
rm -f $@;\
trap "rm -f $$$$.c" 0 2 3; \
- awk -v bits=BITS32 -v proc=x86 \
+ awk -v cpu=BITS64 -v family=x86 \
-f target/gen.awk \
< target/x86/x86.dat > $$$$.c && mv $$$$.c $@
-OBJ-amd64 = $(OBJ) \
- target/amd64/instbl.o \
- target/i386/ins.o \
- target/amd64/proc.o
+OBJ-amd64 = $(OBJ) $(AMD64_LST)
--- a/as/target/gen.awk
+++ b/as/target/gen.awk
@@ -3,13 +3,12 @@
FS = "\t"
printf "#include \"../../../inc/scc.h\"\n"\
"#include \"../../as.h\"\n"\
- "#include \"../" proc "/proc.h\"\n"\
- "#include \"ins.h\"\n\n"
+ "#include \"../" family "/proc.h\"\n"
nop = 0; nvar = 0
}
{sub(/#.*/,"")}-$6 !~ bits {next}+$6 !~ cpu {next} /^$/ {next}--- a/as/target/i386/ins.c
+++ b/as/target/i386/ins.c
@@ -2,7 +2,6 @@
#include "../../../inc/scc.h"
#include "../../as.h"
-#include "ins.h"
TUINT maxaddr = 0xFFFFFFFF;
int endian = LITTLE_ENDIAN;
--- a/as/target/i386/target.mk
+++ b/as/target/i386/target.mk
@@ -1,16 +1,14 @@
-target/i386/ins.o: target/i386/ins.h
-target/i386/instbl.o: target/i386/ins.h
+I386_LST = target/i386/instbl.o target/i386/ins.o target/i386/proc.o
+$(I386_LST): target/x86/proc.h
+
target/i386/instbl.c: target/gen.awk target/x86/x86.dat
set -e ;\
rm -f $@;\
trap "rm -f $$$$.c" 0 2 3; \
- awk -v bits=BITS32 -v proc=x86 \
+ awk -v cpu=BITS32 -v family=x86 \
-f target/gen.awk \
< target/x86/x86.dat > $$$$.c && mv $$$$.c $@
-OBJ-i386 = $(OBJ) \
- target/i386/instbl.o \
- target/i386/ins.o \
- target/i386/proc.o
+OBJ-i386 = $(OBJ) $(I386_LST)
--- /dev/null
+++ b/as/target/x80/proc.h
@@ -1,0 +1,38 @@
+
+enum args {+ AIMM = 1,
+
+ AIMM8,
+ AIMM16,
+ AIMM32,
+ AIMM64,
+
+ AREG_AF,
+ AREG_A,
+ AREG_F,
+
+ AREG_BC,
+ AREG_B,
+ AREG_C,
+
+ AREG_HL,
+ AREG_H,
+ AREG_L,
+
+ AREG_DE,
+ AREG_D,
+ AREG_E,
+
+ AREG_IX,
+ AREG_IXL,
+ AREG_IXH,
+
+ AREG_IY,
+ AREG_IYL,
+ AREG_IYH,
+
+ AREG_R,
+ AREG_AF_,
+
+ AREP,
+};
--- /dev/null
+++ b/as/target/x80/x80.dat
@@ -1,0 +1,18 @@
+# Tab 16, tabs 16, :set ts=16
+# op args size bytes format cpu
+.DB imm8+ 0 none defb Z80,R800,GB80
+.DEFB imm8+ 0 none defb Z80,R800,GB80
+.BYTE imm8+ 0 none defb Z80,R800,GB80
+.DW imm16+ 0 none defw Z80,R800,GB80
+.DEFW imm16+ 0 none defw Z80,R800,GB80
+.SHORT imm16+ 0 none defw Z80,R800,GB80
+.WORD imm16+ 0 none defw Z80,R800,GB80
+.DD imm32+ 0 none defd Z80,R800,GB80
+.DEFD imm32+ 0 none defd Z80,R800,GB80
+.LONG imm32+ 0 none defd Z80,R800,GB80
+.INT imm16+ 0 none defd Z80,R800,GB80
+.DQ imm64+ 0 none defq Z80,R800,GB80
+.DEFQ imm64+ 0 none defq Z80,R800,GB80
+.EQU imm16 0 none equ Z80,R800,GB80
+NOP none 1 0x00 direct Z80,R800,GB80
+RET none 1 0xc9 direct Z80,R800,GB80
--- /dev/null
+++ b/as/target/z80/ins.c
@@ -1,0 +1,7 @@
+static char sccsid[] = "@(#) ./as/target/i386/ins.c";
+
+#include "../../../inc/scc.h"
+#include "../../as.h"
+
+TUINT maxaddr = 0xFFFFFFFF;
+int endian = LITTLE_ENDIAN;
--- /dev/null
+++ b/as/target/z80/proc.c
@@ -1,0 +1,72 @@
+static char sccsid[] = "@(#) ./as/target/i386/proc.c";
+
+#include <stdlib.h>
+
+#include "../../../inc/scc.h"
+#include "../../as.h"
+#include "../x80/proc.h"
+
+void
+iarch(void)
+{+ static struct {+ char *name;
+ char type;
+ } regs[] = {+ "AF", AREG_AF,
+ "A", AREG_A,
+ "F", AREG_F,
+
+ "BC", AREG_BC,
+ "B", AREG_B,
+ "C", AREG_C,
+
+ "HL", AREG_HL,
+ "H", AREG_H,
+ "L", AREG_L,
+
+ "DE", AREG_DE,
+ "D", AREG_D,
+ "E", AREG_E,
+
+ "IX", AREG_IX,
+ "IXL", AREG_IXL,
+ "IXH", AREG_IXH,
+
+ "IY", AREG_IY,
+ "IYL", AREG_IYL,
+ "IYH", AREG_IYH,
+
+ "R", AREG_R,
+ "AF_", AREG_AF_,
+
+ NULL,
+ };
+}
+
+int
+match(Op *op, Node **args)
+{+ char *p;
+ int a, olda;
+
+ if (!op->args)
+ return args == NULL;
+
+ for (p = op->args; *p; ++p) {+ if (*p != AREP)
+ a = *p;
+ else
+ --p;
+
+ switch (a) {+ case AIMM8:
+ case AIMM16:
+ case AIMM32:
+ case AIMM64:
+ default:
+ abort();
+ }
+ }
+ return 1;
+}
--- /dev/null
+++ b/as/target/z80/target.mk
@@ -1,0 +1,14 @@
+
+Z80_LST = target/z80/instbl.o target/z80/ins.o target/z80/proc.o
+
+$(Z80_LST): target/x80/proc.h
+
+target/z80/instbl.c: target/gen.awk target/x80/x80.dat
+ set -e ;\
+ rm -f $@;\
+ trap "rm -f $$$$.c" 0 2 3; \
+ awk -v cpu=Z80 -v family=x80 \
+ -f target/gen.awk \
+ < target/x80/x80.dat > $$$$.c && mv $$$$.c $@
+
+OBJ-z80 = $(OBJ) $(Z80_LST)
--- a/config.mk.def
+++ b/config.mk.def
@@ -6,6 +6,7 @@
# element of the list becomes the default target
TARGETS = amd64-sysv-linux-elf \
+ z80-scc-none-none \
i386-sysv-linux-elf \
amd64-sysv-openbsd-elf
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -2,7 +2,7 @@
include ../config.mk
-DIRS = scc crt
+DIRS = scc
all dep clean distclean:
@pwd=$$PWD; \