tests/tcg/e2k: remove C tests, add simple assembler add test

tests/tcg/e2k/Makefile.target

@@ -1,15 +1,23 @@
 # -*- Mode: makefile -*-
 #
-# Elbrus 2000 tests
-
-E2K_SRC=$(SRC_PATH)/tests/tcg/e2k
-VPATH+=$(E2K_SRC)
-
-E2K_TESTS=hello-e2k
-TESTS+=$(E2K_TESTS)
-
+# E2K tests
 #
-# hello-e2k is a barebones app
-#
-hello-e2k: CFLAGS+=-ffreestanding
-hello-e2k: LDFLAGS+=-nostdlib
+
+E2K_SRC = $(SRC_PATH)/tests/tcg/e2k
+E2K_ALL = $(wildcard $(E2K_SRC)/*.s)
+
+TESTS = $(patsubst $(E2K_SRC)/%.s, %, $(E2K_ALL))
+VPATH = $(E2K_SRC)
+
+CROSS   = e2k-linux-
+AS	= $(CROSS)as
+LD      = $(CROSS)ld
+
+ASFLAGS = -mcpu=elbrus-v4 -g -I$(E2K_SRC)
+LDFLAGS =
+
+%.o: %.s
+	$(AS) $(ASFLAGS) $< -o $@
+
+%: %.o
+	$(LD) $(LDFLAGS) $< -o $@

tests/tcg/e2k/hello-e2k.c

@@ -1,9 +0,0 @@
-#include <asm/e2k_api.h>
-#include <asm/unistd.h>
-
-#define MSG "Hello, world!\n"
-
-void _start(void) {
-	__E2K_SYSCALL_3(LINUX_SYSCALL64_TRAPNUM, __NR_write, 1, MSG, sizeof(MSG));
-	__E2K_SYSCALL_1(LINUX_SYSCALL64_TRAPNUM, __NR_exit, 0);
-}

tests/tcg/e2k/macros.inc

@@ -0,0 +1,123 @@
+.set SYSCALL32_TRAPNUM, 0x1
+.set SYSCALL64_TRAPNUM, 0x3
+
+.set __NR_exit,  0x1
+.set __NR_write, 0x4
+
+.macro e2k_syscall_1 trapnum sysnum v1
+{
+    addd 0x0, \sysnum, %b[0]
+    addd 0x0, \v1, %b[1]
+    sdisp %ctpr1, \trapnum
+}
+{
+    call %ctpr1, wbs = 0x4
+}
+.endm
+
+.macro e2k_syscall_2 trapnum sysnum v1 v2
+{
+    sdisp %ctpr1, \trapnum
+    addd 0x0, \sysnum, %b[0]
+    addd 0x0, \v1, %b[1]
+    addd 0x0, \v2, %b[2]
+}
+{
+    call %ctpr1, wbs = 0x4
+}
+.endm
+
+.macro e2k_syscall_3 trapnum sysnum v1 v2 v3
+{
+    sdisp %ctpr1, \trapnum
+    addd 0x0, \sysnum, %b[0]
+    addd 0x0, \v1, %b[1]
+    addd 0x0, \v2, %b[2]
+    addd 0x0, \v3, %b[3]
+}
+{
+    call %ctpr1, wbs = 0x4
+}
+.endm
+
+.macro e2k_syscall_4 trapnum sysnum v1 v2 v3 v4
+{
+    sdisp %ctpr1, \trapnum
+    addd 0x0, \sysnum, %b[0]
+    addd 0x0, \v1, %b[1]
+    addd 0x0, \v2, %b[2]
+    addd 0x0, \v3, %b[3]
+    addd 0x0, \v4, %b[4]
+}
+{
+    call %ctpr1, wbs = 0x4
+}
+.endm
+
+.macro e2k_syscall_5 trapnum sysnum v1 v2 v3 v4 v5
+{
+    sdisp %ctpr1, \trapnum
+    addd 0x0, \sysnum, %b[0]
+    addd 0x0, \v1, %b[1]
+    addd 0x0, \v2, %b[2]
+    addd 0x0, \v3, %b[3]
+    addd 0x0, \v4, %b[4]
+    addd 0x0, \v5, %b[5]
+}
+{
+    call %ctpr1, wbs = 0x4
+}
+.endm
+
+.macro e2k_syscall_6 trapnum sysnum v1 v2 v3 v4 v5 v6
+{
+    sdisp %ctpr1, \trapnum
+    addd 0x0, \sysnum, %b[0]
+    addd 0x0, \v1, %b[1]
+    addd 0x0, \v2, %b[2]
+    addd 0x0, \v3, %b[3]
+    addd 0x0, \v4, %b[4]
+    addd 0x0, \v5, %b[5]
+}
+{
+    addd 0x0, \v6, %b[5]
+    call %ctpr1, wbs = 0x4
+}
+.endm
+
+.macro e2k_syscall_7 trapnum sysnum v1 v2 v3 v4 v5 v6 v7
+{
+    sdisp %ctpr1, \trapnum
+    addd 0x0, \sysnum, %b[0]
+    addd 0x0, \v1, %b[1]
+    addd 0x0, \v2, %b[2]
+    addd 0x0, \v3, %b[3]
+    addd 0x0, \v4, %b[4]
+    addd 0x0, \v5, %b[5]
+}
+{
+    addd 0x0, \v6, %b[6]
+    addd 0x0, \v7, %b[7]
+    call %ctpr1, wbs = 0x4
+}
+.endm
+
+.macro assert op reg1 reg2 counter_reg
+{
+    \op \reg1, \reg2, %pred0
+    addd 0x0, \counter_reg, %b[0]
+    disp %ctpr1, _test_fail
+}
+{
+    addd 0x1, \counter_reg, \counter_reg
+    call %ctpr1, wbs = 0x4 ? ~%pred0
+}
+.endm
+
+_test_fail:
+{
+    setwd wsz = 0x8, nfx = 0x0, dbl = 0x0
+    setbn rsz = 0x3, rbs = 0x4, rcur = 0x0
+}
+    e2k_syscall_3 SYSCALL64_TRAPNUM, __NR_write, 0, [ _test_failed_str ], _test_failed_strlen
+    e2k_syscall_1 SYSCALL64_TRAPNUM, __NR_exit, %dr0

tests/tcg/e2k/macros_end.inc

@@ -0,0 +1,6 @@
+_stop:
+    e2k_syscall_1 SYSCALL64_TRAPNUM, __NR_exit, 0
+
+_test_failed_str:
+    .ascii "TEST FAILED\n\0"
+    .set _test_failed_strlen, . - _test_failed_str

tests/tcg/e2k/test_addd.s

@@ -0,0 +1,23 @@
+.global _start
+.include "macros.inc"
+
+_start:
+{
+    setwd wsz=0x8, nfx=1
+    setbn rbs=0x4, rsz=0x3, rcur=0
+}
+{
+    addd 0x0, 0x0, %r0 ! counter
+    addd 0x2, 0xFFFFFFFFFFFFFFFF, %r1
+}
+{
+    addd 0x2, 0x2, %r2
+    adds 0x2, 0x2, %r3
+    adds 0x2, 0xFFFFFFFF, %r4
+}
+    assert cmpedb, %r1, 0x1, %r0
+    assert cmpedb, %r2, 0x4, %r0
+    assert cmpesb, %r3, 0x4, %r0
+    assert cmpesb, %r4, 0x1, %r0
+
+.include "macros_end.inc"