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[Qemu-devel] [PATCH v1 4/8] target-microblaze: Convert version_mask to a
From: |
Alistair Francis |
Subject: |
[Qemu-devel] [PATCH v1 4/8] target-microblaze: Convert version_mask to a CPU property |
Date: |
Wed, 3 Jun 2015 16:59:19 +1000 |
Originally the version_mask PVR bits were manually set for each
machine. This is a hassle and difficult to read, instead set them
based on the CPU properties.
Signed-off-by: Alistair Francis <address@hidden>
---
hw/microblaze/petalogix_ml605_mmu.c | 3 ++-
target-microblaze/cpu-qom.h | 1 +
target-microblaze/cpu.c | 4 +++-
3 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/hw/microblaze/petalogix_ml605_mmu.c
b/hw/microblaze/petalogix_ml605_mmu.c
index 5f341c4..f52654c 100644
--- a/hw/microblaze/petalogix_ml605_mmu.c
+++ b/hw/microblaze/petalogix_ml605_mmu.c
@@ -70,7 +70,7 @@ static void machine_cpu_reset(MicroBlazeCPU *cpu)
env->pvr.regs[10] = 0x0e000000; /* virtex 6 */
/* setup pvr to match kernel setting */
- env->pvr.regs[0] = (env->pvr.regs[0] & ~PVR0_VERSION_MASK) | (0x14 << 8);
+ env->pvr.regs[0] |= (0x14 << 8);
env->pvr.regs[4] = 0xc56b8000;
env->pvr.regs[5] = 0xc56be000;
}
@@ -99,6 +99,7 @@ petalogix_ml605_init(MachineState *machine)
object_property_set_bool(OBJECT(cpu), true, "dcache-writeback",
&error_abort);
object_property_set_bool(OBJECT(cpu), true, "endi", &error_abort);
+ object_property_set_bool(OBJECT(cpu), true, "version_mask", &error_abort);
object_property_set_bool(OBJECT(cpu), true, "realized", &error_abort);
/* Attach emulated BRAM through the LMB. */
diff --git a/target-microblaze/cpu-qom.h b/target-microblaze/cpu-qom.h
index 85b8f75..b6c6374 100644
--- a/target-microblaze/cpu-qom.h
+++ b/target-microblaze/cpu-qom.h
@@ -67,6 +67,7 @@ typedef struct MicroBlazeCPU {
bool usemmu;
bool dcache_writeback;
bool endi;
+ bool version_mask;
} cfg;
CPUMBState env;
diff --git a/target-microblaze/cpu.c b/target-microblaze/cpu.c
index f40df43..849c737 100644
--- a/target-microblaze/cpu.c
+++ b/target-microblaze/cpu.c
@@ -115,7 +115,8 @@ static void mb_cpu_realizefn(DeviceState *dev, Error **errp)
env->pvr.regs[0] |= (cpu->cfg.stackprot ? PVR0_SPROT_MASK : 0) |
(cpu->cfg.usefpu ? PVR0_USE_FPU_MASK : 0) |
(cpu->cfg.usemmu ? PVR0_USE_MMU_MASK : 0) |
- (cpu->cfg.endi ? PVR0_ENDI_MASK : 0);
+ (cpu->cfg.endi ? PVR0_ENDI_MASK : 0) |
+ (cpu->cfg.endi ? ~PVR0_VERSION_MASK : 0);
env->pvr.regs[2] |= (cpu->cfg.usefpu ? PVR2_USE_FPU_MASK : 0) |
(cpu->cfg.usefpu > 1 ? PVR2_USE_FPU2_MASK : 0);
@@ -176,6 +177,7 @@ static Property mb_properties[] = {
DEFINE_PROP_BOOL("dcache-writeback", MicroBlazeCPU, cfg.dcache_writeback,
false),
DEFINE_PROP_BOOL("endi", MicroBlazeCPU, cfg.endi, false),
+ DEFINE_PROP_BOOL("version-mask", MicroBlazeCPU, cfg.version_mask, false),
DEFINE_PROP_END_OF_LIST(),
};
--
1.7.1
[Qemu-devel] [PATCH v1 5/8] target-microblaze: Convert pvr-full to a CPU property, Alistair Francis, 2015/06/03
[Qemu-devel] [PATCH v1 6/8] ml605_mmu: Move the hardcoded values to the init function, Alistair Francis, 2015/06/03