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		54d31236b9
		
	
	
	
	
		
			
			sysemu/sysemu.h is a rather unfocused dumping ground for stuff related to the system-emulator. Evidence: * It's included widely: in my "build everything" tree, changing sysemu/sysemu.h still triggers a recompile of some 1100 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h, down from 5400 due to the previous two commits). * It pulls in more than a dozen additional headers. Split stuff related to run state management into its own header sysemu/runstate.h. Touching sysemu/sysemu.h now recompiles some 850 objects. qemu/uuid.h also drops from 1100 to 850, and qapi/qapi-types-run-state.h from 4400 to 4200. Touching new sysemu/runstate.h recompiles some 500 objects. Since I'm touching MAINTAINERS to add sysemu/runstate.h anyway, also add qemu/main-loop.h. Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190812052359.30071-30-armbru@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> [Unbreak OS-X build]
		
			
				
	
	
		
			143 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			143 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * QEMU PowerPC MPC8544 global util pseudo-device
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|  *
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|  * Copyright (C) 2011 Freescale Semiconductor, Inc. All rights reserved.
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|  *
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|  * Author: Alexander Graf, <alex@csgraf.de>
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|  *
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|  * This is free software; you can redistribute it and/or modify
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|  * it under the terms of  the GNU General  Public License as published by
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|  * the Free Software Foundation;  either version 2 of the  License, or
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|  * (at your option) any later version.
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|  *
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|  * *****************************************************************
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|  *
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|  * The documentation for this device is noted in the MPC8544 documentation,
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|  * file name "MPC8544ERM.pdf". You can easily find it on the web.
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|  *
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|  */
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| 
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| #include "qemu/osdep.h"
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| #include "qemu/module.h"
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| #include "sysemu/runstate.h"
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| #include "cpu.h"
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| #include "hw/sysbus.h"
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| 
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| #define MPC8544_GUTS_MMIO_SIZE        0x1000
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| #define MPC8544_GUTS_RSTCR_RESET      0x02
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| 
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| #define MPC8544_GUTS_ADDR_PORPLLSR    0x00
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| #define MPC8544_GUTS_ADDR_PORBMSR     0x04
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| #define MPC8544_GUTS_ADDR_PORIMPSCR   0x08
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| #define MPC8544_GUTS_ADDR_PORDEVSR    0x0C
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| #define MPC8544_GUTS_ADDR_PORDBGMSR   0x10
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| #define MPC8544_GUTS_ADDR_PORDEVSR2   0x14
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| #define MPC8544_GUTS_ADDR_GPPORCR     0x20
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| #define MPC8544_GUTS_ADDR_GPIOCR      0x30
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| #define MPC8544_GUTS_ADDR_GPOUTDR     0x40
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| #define MPC8544_GUTS_ADDR_GPINDR      0x50
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| #define MPC8544_GUTS_ADDR_PMUXCR      0x60
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| #define MPC8544_GUTS_ADDR_DEVDISR     0x70
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| #define MPC8544_GUTS_ADDR_POWMGTCSR   0x80
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| #define MPC8544_GUTS_ADDR_MCPSUMR     0x90
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| #define MPC8544_GUTS_ADDR_RSTRSCR     0x94
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| #define MPC8544_GUTS_ADDR_PVR         0xA0
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| #define MPC8544_GUTS_ADDR_SVR         0xA4
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| #define MPC8544_GUTS_ADDR_RSTCR       0xB0
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| #define MPC8544_GUTS_ADDR_IOVSELSR    0xC0
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| #define MPC8544_GUTS_ADDR_DDRCSR      0xB20
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| #define MPC8544_GUTS_ADDR_DDRCDR      0xB24
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| #define MPC8544_GUTS_ADDR_DDRCLKDR    0xB28
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| #define MPC8544_GUTS_ADDR_CLKOCR      0xE00
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| #define MPC8544_GUTS_ADDR_SRDS1CR1    0xF04
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| #define MPC8544_GUTS_ADDR_SRDS2CR1    0xF10
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| #define MPC8544_GUTS_ADDR_SRDS2CR3    0xF18
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| 
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| #define TYPE_MPC8544_GUTS "mpc8544-guts"
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| #define MPC8544_GUTS(obj) OBJECT_CHECK(GutsState, (obj), TYPE_MPC8544_GUTS)
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| 
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| struct GutsState {
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|     /*< private >*/
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|     SysBusDevice parent_obj;
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|     /*< public >*/
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| 
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|     MemoryRegion iomem;
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| };
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| 
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| typedef struct GutsState GutsState;
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| 
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| static uint64_t mpc8544_guts_read(void *opaque, hwaddr addr,
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|                                   unsigned size)
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| {
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|     uint32_t value = 0;
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|     PowerPCCPU *cpu = POWERPC_CPU(current_cpu);
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|     CPUPPCState *env = &cpu->env;
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| 
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|     addr &= MPC8544_GUTS_MMIO_SIZE - 1;
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|     switch (addr) {
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|     case MPC8544_GUTS_ADDR_PVR:
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|         value = env->spr[SPR_PVR];
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|         break;
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|     case MPC8544_GUTS_ADDR_SVR:
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|         value = env->spr[SPR_E500_SVR];
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|         break;
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|     default:
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|         fprintf(stderr, "guts: Unknown register read: %x\n", (int)addr);
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|         break;
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|     }
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| 
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|     return value;
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| }
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| 
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| static void mpc8544_guts_write(void *opaque, hwaddr addr,
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|                                uint64_t value, unsigned size)
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| {
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|     addr &= MPC8544_GUTS_MMIO_SIZE - 1;
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| 
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|     switch (addr) {
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|     case MPC8544_GUTS_ADDR_RSTCR:
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|         if (value & MPC8544_GUTS_RSTCR_RESET) {
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|             qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
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|         }
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|         break;
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|     default:
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|         fprintf(stderr, "guts: Unknown register write: %x = %x\n",
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|                 (int)addr, (unsigned)value);
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|         break;
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|     }
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| }
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| 
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| static const MemoryRegionOps mpc8544_guts_ops = {
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|     .read = mpc8544_guts_read,
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|     .write = mpc8544_guts_write,
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|     .endianness = DEVICE_BIG_ENDIAN,
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|     .valid = {
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|         .min_access_size = 4,
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|         .max_access_size = 4,
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|     },
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| };
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| 
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| static void mpc8544_guts_initfn(Object *obj)
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| {
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|     SysBusDevice *d = SYS_BUS_DEVICE(obj);
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|     GutsState *s = MPC8544_GUTS(obj);
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| 
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|     memory_region_init_io(&s->iomem, OBJECT(s), &mpc8544_guts_ops, s,
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|                           "mpc8544.guts", MPC8544_GUTS_MMIO_SIZE);
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|     sysbus_init_mmio(d, &s->iomem);
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| }
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| 
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| static const TypeInfo mpc8544_guts_info = {
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|     .name          = TYPE_MPC8544_GUTS,
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|     .parent        = TYPE_SYS_BUS_DEVICE,
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|     .instance_size = sizeof(GutsState),
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|     .instance_init = mpc8544_guts_initfn,
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| };
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| 
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| static void mpc8544_guts_register_types(void)
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| {
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|     type_register_static(&mpc8544_guts_info);
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| }
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| 
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| type_init(mpc8544_guts_register_types)
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