--- /dev/null
+convert.c
+proto.make
--- /dev/null
+/*
+ * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
+ * See the copyright notice in the ACK home directory, in the file "Copyright".
+ */
+#ifndef NORCSID
+static char rcsid[] = "$Header$";
+#endif
+
+/* This program converts either human-readable or compact EM
+ assembly code to calls of the procedure-interface.
+ It must be linked with two libraries:
+ - a library to read EM code, according to read_em(3)
+ - a library implementing the em_code(3) interface.
+ Thus, this program could serve as an EM_encoder, an
+ EM_decoder, or some code generator, depending on how it is
+ linked.
+*/
+
+#include <system.h>
+#include <em_pseu.h>
+#include <em_mnem.h>
+#include <em_spec.h>
+#include <em_flag.h>
+#include <em_ptyp.h>
+#include <em.h>
+#include <em_comp.h>
+
+char *filename; /* Name of input file */
+char *out_file; /* Name of output file */
+int errors; /* Number of errors */
+int debug;
+extern char *C_error;
+
+main(argc,argv)
+ char **argv;
+{
+ struct e_instr buf;
+ register struct e_instr *p = &buf;
+ int ac;
+ char **av;
+
+ filename= 0;
+ out_file= 0;
+ debug= 0;
+ for (ac=argc-1,av=argv+1;ac;ac--,av++)
+ {
+ if (av[0][0]=='-' && av[0][1]=='d' && av[0][2]==0)
+ {
+ debug= 1;
+ continue;
+ }
+ if (!filename)
+ {
+ if (strcmp(*av, "-"))
+ filename= *av;
+ }
+ else if (!out_file)
+ {
+ if (strcmp(*av, "-"))
+ out_file= *av;
+ }
+ else
+ fatal ("too many arguments");
+ }
+ if (!EM_open(filename)) {
+ fatal(EM_error);
+ }
+ EM_getinstr(p);
+ C_init((arith) EM_wordsize, (arith) EM_pointersize);
+ if (!C_open(out_file)) {
+ fatal("C_open failed");
+ }
+ C_magic();
+ while (p->em_type != EM_EOF) {
+ if (p->em_type == EM_FATAL) {
+ fatal("%s", EM_error);
+ }
+ if (EM_error) {
+ error("%s", EM_error);
+ }
+ if (p->em_type != EM_ERROR && !C_out(p)) {
+ error("%s", C_error);
+ }
+ EM_getinstr(p);
+ }
+ C_close();
+ EM_close();
+ exit(errors);
+}
+
+/* VARARGS */
+error(s,a1,a2,a3,a4)
+ char *s;
+{
+ fprint(STDERR,
+ "%s, line %d: ",
+ filename ? filename : "standard input",
+ EM_lineno);
+ fprint(STDERR,s,a1,a2,a3,a4);
+ fprint(STDERR, "\n");
+ errors++;
+}
+
+/* VARARGS */
+fatal(s,a1,a2,a3,a4)
+ char *s;
+{
+ if (C_busy()) C_close();
+ error(s,a1,a2,a3,a4);
+ exit(1);
+}
--- /dev/null
+# $Header$
+
+#PARAMS do not remove this line!
+
+SRC_DIR=$(SRC_HOME)/mach/sparc/ce_cg
+MACH=sparc
+LIB_DIR=$(TARGET_HOME)/modules/lib
+EM_LIB=$(TARGET_HOME)/lib.bin
+INCLUDE=-I$(TARGET_HOME)/modules/h -I$(TARGET_HOME)/h
+CE_A= $(TARGET_HOME)/lib.bin/$(MACH)/ce.$(LIBSUF)
+BACK_A= $(TARGET_HOME)/lib.bin/$(MACH)/back.$(LIBSUF)
+
+CFLAGS=$(INCLUDE) -DCODE_EXPANDER $(COPTIONS)
+LDFLAGS=$(LDOPTIONS)
+LDLIBS=$(LIB_DIR)/libread_emk.$(LIBSUF) $(CE_A) $(BACK_A) \
+ $(LIB_DIR)/libprint.$(LIBSUF) $(LIB_DIR)/libstring.$(LIBSUF) \
+ $(LIB_DIR)/liballoc.$(LIBSUF) $(LIB_DIR)/libsystem.$(LIBSUF) \
+ $(EM_LIB)/em_data.$(LIBSUF) $(LIB_DIR)/libflt.$(LIBSUF)
+
+all: cg
+
+install: all
+ -mkdir $(TARGET_HOME)/lib.bin/$(MACH)
+ cp cg $(TARGET_HOME)/lib.bin/$(MACH)/cg
+
+cmp: all
+ cmp cp cg $(TARGET_HOME)/lib.bin/$(MACH)/cg
+
+clean:
+ rm -f *.$(SUF) cg
+
+cg: convert.$(SUF) $(CE_A) $(BACK_A)
+ $(CC) $(LDFLAGS) -o cg convert.$(SUF) $(LDLIBS)
+
+convert.$(SUF): $(SRC_DIR)/convert.c
+ $(CC) $(CFLAGS) -c $(SRC_DIR)/convert.c
+
+pr:
+ @pr $(SRC_DIR)/proto.make $(SRC_DIR)/convert.c
+
+opr:
+ make pr | opr
--- /dev/null
+LIST
+libem_s.a
--- /dev/null
+libem_s.a
+csa.s
+csb.s
+dvu.s
+lar.s
+muldiv.s
+nop.s
+shp.s
+trp.s
--- /dev/null
+.global csa
+
+ECASE=20
+STACK_CLICK=4
+
+csa:
+ ! jump table address in %o0
+ ! index in %o1
+
+ ld [%o0], %o4 ! default address
+ ld [%o0+4], %o2
+ subcc %o1, %o2, %o1 ! index - lower bound
+ bl 1f
+ ld [%o0+2*4], %o3
+ cmp %o1, %o3 ! rel. index, upper - lower bound
+ bgt 1f
+ nop
+ sll %o1, 2, %o5
+ add %o0, %o5, %o3 ! %o3 = @jump address
+ ld [%o3+12], %o2 ! %o2 = jump address
+ tst %o2
+ be 1f
+ nop
+ jmp %o2
+ nop
+1:
+ tst %o4
+ beq 2f
+ nop
+ jmp %o4
+ nop
+2:
+ mov ECASE, %o0
+ set trp, %g1
+ jmp %g1
+ nop
+.align 4
--- /dev/null
+.global csb
+ECASE=20
+
+csb:
+ ! case descriptor in %o0
+ ! index in %o1
+ ld [%o0], %o2 ! default jump address
+ ld [%o0+4], %o3 ! # entries
+ inc 8, %o0
+ tst %o3
+ be 3f
+ nop
+ dec %o3
+ set 0xffff, %o4
+ and %o3, %o4, %o5
+ sll %o5, 3, %o3
+1:
+ ld [%o0+%o3], %o4
+ cmp %o4, %o1
+ be 2f
+ nop
+ deccc 8, %o3
+ bge 1b
+ nop
+ b 3f
+ nop
+2:
+ inc 4, %o3
+ ld [%o0+%o3], %o2
+3:
+ tst %o2
+ be 4f
+ nop
+ jmp %o2
+ nop
+4:
+ set ECASE, %o0
+ set trp, %g1
+ jmp %g1
+ nop
--- /dev/null
+.global dvu4
+.global dvi4
+
+dvu4:
+! %o0' = %o0 / %o1
+! %o1' = %o0 % %o1
+ tst %o1
+ be 0f
+ nop
+ clr %o5
+ tst %o0
+ bge 3f /* jump if msb clear */
+ nop
+
+ clr %o2
+ mov %o1, %o3
+ clr %o4
+1: tst %o1
+ bl 5f /* jump if msb set */
+ nop
+ sll %o1, 1, %o1
+ inc %o4
+ b 1b
+ nop
+
+
+dvi4:
+! %o2 = %o0 / %o1
+! %o3 = %o0 % %o1
+ tst %o1
+ be 0f
+ clr %o5
+ tst %o0
+ bge 1f
+ nop
+ neg %o0
+ xor %o5, 1, %o5
+1:
+ tst %o1
+ bge 3f
+ nop
+ neg %o1
+ xor %o5, 3, %o5
+
+3: /* div common */
+ clr %o2
+ mov %o1, %o3
+ clr %o4
+
+4:
+ cmp %o1, %o0
+ bgu 5f
+ nop
+ inc %o4
+ sll %o1, 1, %o1
+ b 4b
+ nop
+
+5: /* div common for dvu4 && ( %o0 & 0x80000000) */
+ sll %o2, 1, %o2
+ subcc %o0, %o1, %o0
+ bgeu 3f
+ nop
+ add %o0, %o1, %o0
+ b 4f
+ nop
+3:
+ inc %o2
+4:
+ srl %o1, 1, %o1
+ tst %o4
+ bz 5f
+ nop
+ dec %o4
+ b 5b
+ nop
+
+5:
+ andcc %o5, 1, %g0
+ bz 6f
+ nop
+ tst %o0
+ bz 7f
+ nop
+ inc %o2
+ sub %o3, %o0, %o0
+7:
+ neg %o2
+6:
+ andcc %o5, 2, %g0
+ bz 8f
+ nop
+ neg %o0
+8:
+ mov %o0, %o1
+ mov %o2, %o0
+ retl
+ nop
+
+0: /* divide by zero */
+ ta 2
--- /dev/null
+.global aar
+.global lar
+.global sar
+
+aar: ! %o0 = descr %o1 = index %o2 = array_ptr
+
+ save %sp, -64, %sp
+ ld [%i0], %o0 ! lower bound
+ subcc %i1, %o0, %o1 ! 0..N-1
+ bl 1f ! <0
+ nop
+ ld [%i0+4], %o0 ! n
+ cmp %o1, %o0
+ bgt 1f ! > N
+ nop
+ call mli4 ! descr *= n.size
+ ld [%i0+8], %o0 ! el.size
+ add %i2, %o0, %i0 ! &base_addr[n]
+ ret
+ restore ! delay slot
+1: restore
+ set EARRAY, %o0
+ call trp
+ nop
+ retl
+ nop
+
+lar: ! %o0 = descr %o1 = index %o2 = array_ptr
+
+ mov %o7, %o4
+ call aar
+ mov %o0, %o3
+ mov %o4, %o7
+
+ ! %o0 = address of el, %o1 = sizeof(el), %o2 = word, %o3 = descr
+ ld [%o3+8], %o1 ! el.size
+ cmp %o1, 1
+ bne 2f
+ nop
+ ldub [%o0], %o2 ! el.size == 1
+ dec 4, %l0
+ retl
+ st %o2, [%l0] ! delay slot
+2: cmp %o1,2
+ bne 3f
+ nop
+ lduh [%o0], %o2 ! el.size == 2
+ dec 4, %l0
+ retl
+ st %o2, [%l0] ! delay slot
+3: cmp %o1, 4
+ bne 4f
+ nop
+ ld [%o0], %o2
+ dec 4, %l0
+ retl
+ st %o2, [%l0] ! delay slot
+4: sub %l0, %o1, %l0
+5: deccc 4, %o1
+ ld [%o0+%o1], %o2
+ bnz 5b
+ st %o2, [%l0+%o1]
+ retl
+ nop
+
+sar: ! %o0 = descr %o1 = index %o2 = array_ptr
+
+ mov %o7, %o4
+ call aar
+ mov %o0, %o3
+ mov %o4, %o7
+
+ ! %o0 = address of el, %o1 = sizeof(el), %o2 = word, %o3 = descr
+
+ ld [%o3+8], %o1 ! el.size
+ cmp %o1, 1
+ bne 2f
+ nop
+ ld [%l0], %o2
+ stb %o2, [%o0]
+ retl
+ inc 4, %l0 ! delay slot
+2: cmp %o1,2
+ bne 3f
+ nop
+ ld [%l0], %o2
+ sth %o2, [%o0]
+ retl
+ inc 4, %l0 ! delay slot
+3: cmp %o1, 4
+ bne 4f
+ nop
+ ld [%l0], %o2
+ st %o2, [%o0]
+ retl
+ inc 4, %l0 ! delay slot
+
+4: mov %o1, %o4
+5: deccc 4, %o1
+ ld [%l0+%o1], %o2
+ bnz 5b
+ st %o2, [%o0+%o1] ! delay slot
+ retl
+ add %l0, %o4, %l0 ! delay slot
--- /dev/null
+.global mli4
+.global mlu4
+
+mli4:
+ mov %o0, %y
+ andncc %o0, 0xfff, %g0
+ bn mul_shortway1
+ nop
+ andcc %g0, %g0, %o4
+
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %g0, %o4
+
+ tst %o0
+ rd %y, %o0
+ bge 1f
+ tst %o0
+ sub %o4, %o1, %o4
+1: retl
+ mov %o4, %o1
+
+mul_shortway1:
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %g0, %o4
+
+ rd %y, %o5
+ sll %o4, 12, %o0
+ srl %o5, 20, %o5
+
+ or %o5, %o4, %o0
+ retl
+ mov %o4, %o1
+
+mlu4:
+ or %o0, %o1, %o4
+ mov %o0, %y
+ andncc %o4, 0xfff, %o5
+ bn mul_shortway2
+ andcc %g0, %g0, %o4
+
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %g0, %o4
+
+ tst %o0
+ bge 1f
+ nop
+ add %o4, %o0, %o4
+1:
+ rd %y, %o0
+ retl
+ addcc %o4, %g0, %o1
+
+mul_shortway2:
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %o1, %o4
+ mulscc %o4, %g0, %o4
+
+ rd %y, %o5
+ sll %o4, 12, %o0
+ srl %o5, 20, %o5
+
+ or %o5, %o4, %o0
+ retl
+ addcc %g0, %g0, %o1
+
--- /dev/null
+.global nop
+
+nop:
+ retl
+ nop
--- /dev/null
+.global strhp
+EHEAP=17
+
+strhp: ! %o0 = new heap pointer
+ save %sp, -64, %sp
+ set reghp, %o1
+ st %i0, [%o1] ! it'll probably go right, anyway
+ set limhp, %o1
+ ld [%o1], %o2
+ cmp %i0, limhp
+ blt 1f
+ nop
+ add %i0, 0x400, %i0 ! extra 1K
+ andn %i0, 0x3ff, %o0
+ st %o0, [%o1] ! prematurely set limhp
+ call brk
+ nop
+ tst %o0
+ blt 2f ! failed
+ nop
+ set limhp, %o1
+ st %o0, [%o1]
+1: ret
+ restore
+2:
+ restore
+ set EHEAP, %o0
+ set trp, %o1
+ jmp %o1
+ nop
--- /dev/null
+.global trp, write
+
+trp:
+ set trpim, %o1
+ ld [%o1], %o2
+ srl %o2, %o0, %o1
+ andcc %o2, 1, %g0
+ bz 2f
+ nop
+ retl
+ nop
+2:
+ set trppc, %o1
+ ld [%o1], %o1
+ tst %o1
+ bz 1f
+ nop
+ dec 4, %l0
+ st %o0, [%l0]
+ jmp %o1
+ nop
+1:
+ save %sp, -64, %sp
+ set 2, %o0
+ set message, %o1
+ set message_high-message, %o2
+ call write
+ nop
+ restore
+ ta 2
+ st %g0, [%g0]
+
+message:
+ .ascii "the error code is in %o0\n"
+message_high:
public / ack.git / commitdiff