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target/microblaze: Add props enabling exceptions on failed bus accesses
Add MicroBlaze CPU properties to enable exceptions on failed bus accesses. Reviewed-by: Luc Michel <luc.michel@greensocs.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
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@ -202,7 +202,11 @@ static void mb_cpu_realizefn(DeviceState *dev, Error **errp)
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(cpu->cfg.use_barrel ? PVR2_USE_BARREL_MASK : 0) |
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(cpu->cfg.use_barrel ? PVR2_USE_BARREL_MASK : 0) |
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(cpu->cfg.use_div ? PVR2_USE_DIV_MASK : 0) |
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(cpu->cfg.use_div ? PVR2_USE_DIV_MASK : 0) |
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(cpu->cfg.use_msr_instr ? PVR2_USE_MSR_INSTR : 0) |
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(cpu->cfg.use_msr_instr ? PVR2_USE_MSR_INSTR : 0) |
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(cpu->cfg.use_pcmp_instr ? PVR2_USE_PCMP_INSTR : 0);
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(cpu->cfg.use_pcmp_instr ? PVR2_USE_PCMP_INSTR : 0) |
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(cpu->cfg.dopb_bus_exception ?
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PVR2_DOPB_BUS_EXC_MASK : 0) |
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(cpu->cfg.iopb_bus_exception ?
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PVR2_IOPB_BUS_EXC_MASK : 0);
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env->pvr.regs[5] |= cpu->cfg.dcache_writeback ?
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env->pvr.regs[5] |= cpu->cfg.dcache_writeback ?
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PVR5_DCACHE_WRITEBACK_MASK : 0;
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PVR5_DCACHE_WRITEBACK_MASK : 0;
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@ -265,6 +269,12 @@ static Property mb_properties[] = {
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DEFINE_PROP_BOOL("dcache-writeback", MicroBlazeCPU, cfg.dcache_writeback,
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DEFINE_PROP_BOOL("dcache-writeback", MicroBlazeCPU, cfg.dcache_writeback,
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false),
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false),
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DEFINE_PROP_BOOL("endianness", MicroBlazeCPU, cfg.endi, false),
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DEFINE_PROP_BOOL("endianness", MicroBlazeCPU, cfg.endi, false),
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/* Enables bus exceptions on failed data accesses (load/stores). */
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DEFINE_PROP_BOOL("dopb-bus-exception", MicroBlazeCPU,
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cfg.dopb_bus_exception, false),
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/* Enables bus exceptions on failed instruction fetches. */
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DEFINE_PROP_BOOL("iopb-bus-exception", MicroBlazeCPU,
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cfg.iopb_bus_exception, false),
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DEFINE_PROP_STRING("version", MicroBlazeCPU, cfg.version),
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DEFINE_PROP_STRING("version", MicroBlazeCPU, cfg.version),
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DEFINE_PROP_UINT8("pvr", MicroBlazeCPU, cfg.pvr, C_PVR_FULL),
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DEFINE_PROP_UINT8("pvr", MicroBlazeCPU, cfg.pvr, C_PVR_FULL),
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DEFINE_PROP_END_OF_LIST(),
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DEFINE_PROP_END_OF_LIST(),
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@ -308,6 +308,8 @@ struct MicroBlazeCPU {
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bool use_mmu;
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bool use_mmu;
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bool dcache_writeback;
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bool dcache_writeback;
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bool endi;
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bool endi;
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bool dopb_bus_exception;
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bool iopb_bus_exception;
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char *version;
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char *version;
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uint8_t pvr;
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uint8_t pvr;
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} cfg;
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} cfg;
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