MIPS queue for February 27th, 2020

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Merge remote-tracking branch 'remotes/amarkovic/tags/mips-queue-feb-27-2020' into staging

MIPS queue for February 27th, 2020

# gpg: Signature made Thu 27 Feb 2020 13:20:55 GMT
# gpg:                using RSA key D4972A8967F75A65
# gpg: Good signature from "Aleksandar Markovic <amarkovic@wavecomp.com>" [full]
# Primary key fingerprint: 8526 FBF1 5DA3 811F 4A01  DD75 D497 2A89 67F7 5A65

* remotes/amarkovic/tags/mips-queue-feb-27-2020:
  tests/acceptance: Count multiple Tux logos displayed on framebuffer
  hw/mips: Use memory_region_init_rom() with read-only regions
  hw/mips/mips_int: Simplify cpu_mips_irq_init_cpu()
  MAINTAINERS: Reactivate MIPS KVM CPUs
  MAINTAINERS: Orphan MIPS KVM CPUs

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

MAINTAINERS

@@ -365,9 +365,8 @@ S: Maintained
 F: target/arm/kvm.c
 
 MIPS KVM CPUs
-M: James Hogan <jhogan@kernel.org>
+M: Aleksandar Markovic <aleksandar.m.mail@gmail.com>
-R: Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>
+S: Odd Fixes
-S: Maintained
 F: target/mips/kvm.c
 
 PPC KVM CPUs
@@ -1006,6 +1005,7 @@ F: hw/mips/mips_malta.c
 F: hw/mips/gt64xxx_pci.c
 F: include/hw/southbridge/piix.h
 F: tests/acceptance/linux_ssh_mips_malta.py
+F: tests/acceptance/machine_mips_malta.py
 
 Mipssim
 M: Aleksandar Markovic <amarkovic@wavecomp.com>

hw/mips/mips_fulong2e.c

@@ -319,9 +319,8 @@ static void mips_fulong2e_init(MachineState *machine)
     }
 
     /* allocate RAM */
-    memory_region_init_ram(bios, NULL, "fulong2e.bios", BIOS_SIZE,
+    memory_region_init_rom(bios, NULL, "fulong2e.bios", BIOS_SIZE,
                            &error_fatal);
-    memory_region_set_readonly(bios, true);
 
     memory_region_add_subregion(address_space_mem, 0, machine->ram);
     memory_region_add_subregion(address_space_mem, 0x1fc00000LL, bios);

hw/mips/mips_int.c

@@ -77,7 +77,7 @@ void cpu_mips_irq_init_cpu(MIPSCPU *cpu)
     qemu_irq *qi;
     int i;
 
-    qi = qemu_allocate_irqs(cpu_mips_irq_request, env_archcpu(env), 8);
+    qi = qemu_allocate_irqs(cpu_mips_irq_request, cpu, 8);
     for (i = 0; i < 8; i++) {
         env->irq[i] = qi[i];
     }

hw/mips/mips_jazz.c

@@ -197,9 +197,8 @@ static void mips_jazz_init(MachineState *machine,
     /* allocate RAM */
     memory_region_add_subregion(address_space, 0, machine->ram);
 
-    memory_region_init_ram(bios, NULL, "mips_jazz.bios", MAGNUM_BIOS_SIZE,
+    memory_region_init_rom(bios, NULL, "mips_jazz.bios", MAGNUM_BIOS_SIZE,
                            &error_fatal);
-    memory_region_set_readonly(bios, true);
     memory_region_init_alias(bios2, NULL, "mips_jazz.bios", bios,
                              0, MAGNUM_BIOS_SIZE);
     memory_region_add_subregion(address_space, 0x1fc00000LL, bios);
@@ -265,9 +264,8 @@ static void mips_jazz_init(MachineState *machine,
         {
             /* Simple ROM, so user doesn't have to provide one */
             MemoryRegion *rom_mr = g_new(MemoryRegion, 1);
-            memory_region_init_ram(rom_mr, NULL, "g364fb.rom", 0x80000,
+            memory_region_init_rom(rom_mr, NULL, "g364fb.rom", 0x80000,
                                    &error_fatal);
-            memory_region_set_readonly(rom_mr, true);
             uint8_t *rom = memory_region_get_ram_ptr(rom_mr);
             memory_region_add_subregion(address_space, 0x60000000, rom_mr);
             rom[0] = 0x10; /* Mips G364 */

hw/mips/mips_mipssim.c

@@ -165,9 +165,8 @@ mips_mipssim_init(MachineState *machine)
     qemu_register_reset(main_cpu_reset, reset_info);
 
     /* Allocate RAM. */
-    memory_region_init_ram(bios, NULL, "mips_mipssim.bios", BIOS_SIZE,
+    memory_region_init_rom(bios, NULL, "mips_mipssim.bios", BIOS_SIZE,
                            &error_fatal);
-    memory_region_set_readonly(bios, true);
 
     memory_region_add_subregion(address_space_mem, 0, machine->ram);
 

hw/mips/mips_r4k.c

@@ -237,9 +237,8 @@ void mips_r4k_init(MachineState *machine)
     dinfo = drive_get(IF_PFLASH, 0, 0);
     if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) {
         bios = g_new(MemoryRegion, 1);
-        memory_region_init_ram(bios, NULL, "mips_r4k.bios", BIOS_SIZE,
+        memory_region_init_rom(bios, NULL, "mips_r4k.bios", BIOS_SIZE,
                                &error_fatal);
-        memory_region_set_readonly(bios, true);
         memory_region_add_subregion(get_system_memory(), 0x1fc00000, bios);
 
         load_image_targphys(filename, 0x1fc00000, BIOS_SIZE);

tests/acceptance/machine_mips_malta.py

@@ -0,0 +1,118 @@
+# Functional tests for the MIPS Malta board
+#
+# Copyright (c) Philippe Mathieu-Daudé <f4bug@amsat.org>
+#
+# This work is licensed under the terms of the GNU GPL, version 2 or later.
+# See the COPYING file in the top-level directory.
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+import os
+import gzip
+import logging
+
+from avocado import skipUnless
+from avocado_qemu import Test
+from avocado_qemu import wait_for_console_pattern
+from avocado.utils import archive
+
+
+NUMPY_AVAILABLE = True
+try:
+    import numpy as np
+except ImportError:
+    NUMPY_AVAILABLE = False
+
+CV2_AVAILABLE = True
+try:
+    import cv2
+except ImportError:
+    CV2_AVAILABLE = False
+
+
+@skipUnless(NUMPY_AVAILABLE, 'Python NumPy not installed')
+@skipUnless(CV2_AVAILABLE, 'Python OpenCV not installed')
+class MaltaMachineFramebuffer(Test):
+
+    timeout = 30
+
+    KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
+
+    def do_test_i6400_framebuffer_logo(self, cpu_cores_count):
+        """
+        Boot Linux kernel and check Tux logo is displayed on the framebuffer.
+        """
+        screendump_path = os.path.join(self.workdir, 'screendump.pbm')
+
+        kernel_url = ('https://github.com/philmd/qemu-testing-blob/raw/'
+                      'a5966ca4b5/mips/malta/mips64el/'
+                      'vmlinux-4.7.0-rc1.I6400.gz')
+        kernel_hash = '096f50c377ec5072e6a366943324622c312045f6'
+        kernel_path_gz = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
+        kernel_path = self.workdir + "vmlinux"
+        archive.gzip_uncompress(kernel_path_gz, kernel_path)
+
+        tuxlogo_url = ('https://github.com/torvalds/linux/raw/v2.6.12/'
+                       'drivers/video/logo/logo_linux_vga16.ppm')
+        tuxlogo_hash = '3991c2ddbd1ddaecda7601f8aafbcf5b02dc86af'
+        tuxlogo_path = self.fetch_asset(tuxlogo_url, asset_hash=tuxlogo_hash)
+
+        self.vm.set_console()
+        kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
+                               'clocksource=GIC console=tty0 console=ttyS0')
+        self.vm.add_args('-kernel', kernel_path,
+                         '-cpu', 'I6400',
+                         '-smp', '%u' % cpu_cores_count,
+                         '-vga', 'std',
+                         '-append', kernel_command_line)
+        self.vm.launch()
+        framebuffer_ready = 'Console: switching to colour frame buffer device'
+        wait_for_console_pattern(self, framebuffer_ready,
+                                 failure_message='Kernel panic - not syncing')
+        self.vm.command('human-monitor-command', command_line='stop')
+        self.vm.command('human-monitor-command',
+                        command_line='screendump %s' % screendump_path)
+        logger = logging.getLogger('framebuffer')
+
+        match_threshold = 0.95
+        screendump_bgr = cv2.imread(screendump_path, cv2.IMREAD_COLOR)
+        tuxlogo_bgr = cv2.imread(tuxlogo_path, cv2.IMREAD_COLOR)
+        result = cv2.matchTemplate(screendump_bgr, tuxlogo_bgr,
+                                   cv2.TM_CCOEFF_NORMED)
+        loc = np.where(result >= match_threshold)
+        tuxlogo_count = 0
+        h, w = tuxlogo_bgr.shape[:2]
+        debug_png = os.getenv('AVOCADO_CV2_SCREENDUMP_PNG_PATH')
+        for tuxlogo_count, pt in enumerate(zip(*loc[::-1]), start=1):
+            logger.debug('found Tux at position (x, y) = %s', pt)
+            cv2.rectangle(screendump_bgr, pt,
+                          (pt[0] + w, pt[1] + h), (0, 0, 255), 2)
+        if debug_png:
+            cv2.imwrite(debug_png, screendump_bgr)
+        self.assertGreaterEqual(tuxlogo_count, cpu_cores_count)
+
+    def test_mips_malta_i6400_framebuffer_logo_1core(self):
+        """
+        :avocado: tags=arch:mips64el
+        :avocado: tags=machine:malta
+        :avocado: tags=cpu:i6400
+        """
+        self.do_test_i6400_framebuffer_logo(1)
+
+    def test_mips_malta_i6400_framebuffer_logo_7cores(self):
+        """
+        :avocado: tags=arch:mips64el
+        :avocado: tags=machine:malta
+        :avocado: tags=cpu:i6400
+        :avocado: tags=mips:smp
+        """
+        self.do_test_i6400_framebuffer_logo(7)
+
+    def test_mips_malta_i6400_framebuffer_logo_8cores(self):
+        """
+        :avocado: tags=arch:mips64el
+        :avocado: tags=machine:malta
+        :avocado: tags=cpu:i6400
+        :avocado: tags=mips:smp
+        """
+        self.do_test_i6400_framebuffer_logo(8)