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M68k pull request 20220109

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Add virt compat machine type for 7.0
 fix q800 -bios parameter
 fix VRAM refresh
 fix M68K_FEATURE_UNALIGNED_DATA feature
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Merge remote-tracking branch 'remotes/vivier/tags/m68k-for-7.0-pull-request' into staging

M68k pull request 20220109

Add virt compat machine type for 7.0
fix q800 -bios parameter
fix VRAM refresh
fix M68K_FEATURE_UNALIGNED_DATA feature

# gpg: Signature made Sun 09 Jan 2022 11:41:19 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier/tags/m68k-for-7.0-pull-request:
  target/m68k: don't word align SP in stack frame if M68K_FEATURE_UNALIGNED_DATA feature enabled
  macfb: fix VRAM dirty memory region logging
  q800: fix segfault with invalid MacROM
  hw: m68k: Add virt compat machine type for 7.0

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2022-01-10 14:43:03 +00:00
commit de3f5223fa
4 changed files with 17 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
hw/display/macfb.c
View File

@ -661,9 +661,9 @@ static bool macfb_common_realize(DeviceState *dev, MacfbState *s, Error **errp)
memory_region_init_ram(&s->mem_vram, OBJECT(dev), "macfb-vram", memory_region_init_ram(&s->mem_vram, OBJECT(dev), "macfb-vram",
MACFB_VRAM_SIZE, &error_abort); MACFB_VRAM_SIZE, &error_abort);
memory_region_set_log(&s->mem_vram, true, DIRTY_MEMORY_VGA);
s->vram = memory_region_get_ram_ptr(&s->mem_vram); s->vram = memory_region_get_ram_ptr(&s->mem_vram);
s->vram_bit_mask = MACFB_VRAM_SIZE - 1; s->vram_bit_mask = MACFB_VRAM_SIZE - 1;
memory_region_set_coalescing(&s->mem_vram);
s->vbl_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, macfb_vbl_timer, s); s->vbl_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, macfb_vbl_timer, s);
macfb_update_mode(s); macfb_update_mode(s);

5
hw/m68k/q800.c
View File

@ -672,12 +672,13 @@ static void q800_init(MachineState *machine)
/* Remove qtest_enabled() check once firmware files are in the tree */ /* Remove qtest_enabled() check once firmware files are in the tree */
if (!qtest_enabled()) { if (!qtest_enabled()) {
if (bios_size < 0 || bios_size > MACROM_SIZE) { if (bios_size <= 0 || bios_size > MACROM_SIZE) {
error_report("could not load MacROM '%s'", bios_name); error_report("could not load MacROM '%s'", bios_name);
exit(1); exit(1);
} }
ptr = rom_ptr(MACROM_ADDR, MACROM_SIZE); ptr = rom_ptr(MACROM_ADDR, bios_size);
assert(ptr != NULL);
stl_phys(cs->as, 0, ldl_p(ptr)); /* reset initial SP */ stl_phys(cs->as, 0, ldl_p(ptr)); /* reset initial SP */
stl_phys(cs->as, 4, stl_phys(cs->as, 4,
MACROM_ADDR + ldl_p(ptr + 4)); /* reset initial PC */ MACROM_ADDR + ldl_p(ptr + 4)); /* reset initial PC */

11
hw/m68k/virt.c
View File

@ -304,10 +304,17 @@ type_init(virt_machine_register_types)
} \ } \
type_init(machvirt_machine_##major##_##minor##_init); type_init(machvirt_machine_##major##_##minor##_init);
static void virt_machine_6_2_options(MachineClass *mc) static void virt_machine_7_0_options(MachineClass *mc)
{ {
} }
DEFINE_VIRT_MACHINE(6, 2, true) DEFINE_VIRT_MACHINE(7, 0, true)
static void virt_machine_6_2_options(MachineClass *mc)
{
virt_machine_7_0_options(mc);
compat_props_add(mc->compat_props, hw_compat_6_2, hw_compat_6_2_len);
}
DEFINE_VIRT_MACHINE(6, 2, false)
static void virt_machine_6_1_options(MachineClass *mc) static void virt_machine_6_1_options(MachineClass *mc)
{ {

5
target/m68k/op_helper.c
View File

@ -415,7 +415,10 @@ static void m68k_interrupt_all(CPUM68KState *env, int is_hw)
oldsr = sr; oldsr = sr;
env->aregs[7] = sp; env->aregs[7] = sp;
cpu_m68k_set_sr(env, sr &= ~SR_M); cpu_m68k_set_sr(env, sr &= ~SR_M);
sp = env->aregs[7] & ~1; sp = env->aregs[7];
if (!m68k_feature(env, M68K_FEATURE_UNALIGNED_DATA)) {
sp &= ~1;
}
do_stack_frame(env, &sp, 1, oldsr, 0, retaddr); do_stack_frame(env, &sp, 1, oldsr, 0, retaddr);
} else { } else {
do_stack_frame(env, &sp, 0, oldsr, 0, retaddr); do_stack_frame(env, &sp, 0, oldsr, 0, retaddr);