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			Back in 2016, we discussed[1] rules for headers, and these were
generally liked:
1. Have a carefully curated header that's included everywhere first.  We
   got that already thanks to Peter: osdep.h.
2. Headers should normally include everything they need beyond osdep.h.
   If exceptions are needed for some reason, they must be documented in
   the header.  If all that's needed from a header is typedefs, put
   those into qemu/typedefs.h instead of including the header.
3. Cyclic inclusion is forbidden.
This patch gets include/ closer to obeying 2.
It's actually extracted from my "[RFC] Baby steps towards saner
headers" series[2], which demonstrates a possible path towards
checking 2 automatically.  It passes the RFC test there.
[1] Message-ID: <87h9g8j57d.fsf@blackfin.pond.sub.org>
    https://lists.nongnu.org/archive/html/qemu-devel/2016-03/msg03345.html
[2] Message-Id: <20190711122827.18970-1-armbru@redhat.com>
    https://lists.nongnu.org/archive/html/qemu-devel/2019-07/msg02715.html
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20190812052359.30071-2-armbru@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
		
	
			
		
			
				
	
	
		
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			43 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef ALLWINNER_A10_PIC_H
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| #define ALLWINNER_A10_PIC_H
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| 
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| #include "hw/sysbus.h"
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| 
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| #define TYPE_AW_A10_PIC  "allwinner-a10-pic"
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| #define AW_A10_PIC(obj) OBJECT_CHECK(AwA10PICState, (obj), TYPE_AW_A10_PIC)
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| 
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| #define AW_A10_PIC_VECTOR       0
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| #define AW_A10_PIC_BASE_ADDR    4
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| #define AW_A10_PIC_PROTECT      8
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| #define AW_A10_PIC_NMI          0xc
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| #define AW_A10_PIC_IRQ_PENDING  0x10
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| #define AW_A10_PIC_FIQ_PENDING  0x20
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| #define AW_A10_PIC_SELECT       0x30
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| #define AW_A10_PIC_ENABLE       0x40
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| #define AW_A10_PIC_MASK         0x50
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| 
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| #define AW_A10_PIC_INT_NR       95
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| #define AW_A10_PIC_REG_NUM      DIV_ROUND_UP(AW_A10_PIC_INT_NR, 32)
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| 
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| typedef struct AwA10PICState {
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|     /*< private >*/
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|     SysBusDevice parent_obj;
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|     /*< public >*/
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|     MemoryRegion iomem;
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|     qemu_irq parent_fiq;
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|     qemu_irq parent_irq;
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| 
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|     uint32_t vector;
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|     uint32_t base_addr;
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|     uint32_t protect;
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|     uint32_t nmi;
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|     uint32_t irq_pending[AW_A10_PIC_REG_NUM];
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|     uint32_t fiq_pending[AW_A10_PIC_REG_NUM];
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|     uint32_t select[AW_A10_PIC_REG_NUM];
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|     uint32_t enable[AW_A10_PIC_REG_NUM];
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|     uint32_t mask[AW_A10_PIC_REG_NUM];
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|     /*priority setting here*/
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| } AwA10PICState;
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| 
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| #endif
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