Differential D19226 Diff 54073 sys/i386/include/pmap_pae.h

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sys/i386/include/pmap_pae.h

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	#define PTESHIFT (3)			#define PTESHIFT (3)
	#define PDESHIFT (3)			#define PDESHIFT (3)

	#define pde_cmpset(pdep, old, new) atomic_cmpset_64_i586(pdep, old, new)			#define pde_cmpset(pdep, old, new) atomic_cmpset_64_i586(pdep, old, new)
	#define pte_load_store(ptep, pte) atomic_swap_64_i586(ptep, pte)			#define pte_load_store(ptep, pte) atomic_swap_64_i586(ptep, pte)
	#define pte_load_clear(ptep) atomic_swap_64_i586(ptep, 0)			#define pte_load_clear(ptep) atomic_swap_64_i586(ptep, 0)
	#define pte_store(ptep, pte) atomic_store_rel_64_i586(ptep, pte)			#define pte_store(ptep, pte) atomic_store_rel_64_i586(ptep, pte)
				#define pte_store_zero(ptep, pte) \
				markjUnsubmitted Done Inline Actions I think style(9) puts `do {` on the same line as the `#define`. markj: I think style(9) puts `do {` on the same line as the `#define`.
				do \
				markjUnsubmitted Done Inline Actions Is _z for _zero? I think it might as well be spelled out if so. Perhaps assert that PG_V is not set in the old entry. markj: Is _z for _zero? I think it might as well be spelled out if so. Perhaps assert that PG_V is…
				{ \
				uint32_t *p; \
				\
				MPASS((*ptep & PG_V) == 0); \
				p = (void *)ptep; \
				*(p + 1) = (uint32_t)(pte >> 32); \
				__compiler_membar(); \
				*p = (uint32_t)pte; \
				} while (0)
	#define pte_load(ptep) atomic_load_acq_64_i586(ptep)			#define pte_load(ptep) atomic_load_acq_64_i586(ptep)

	extern pdpt_entry_t *IdlePDPT;			extern pdpt_entry_t *IdlePDPT;
	extern pt_entry_t pg_nx;			extern pt_entry_t pg_nx;
	extern pd_entry_t IdlePTD_pae; / physical address of "Idle" state directory */			extern pd_entry_t IdlePTD_pae; / physical address of "Idle" state directory */

	/*			/*
	* KPTmap is a linear mapping of the kernel page table. It differs from the			* KPTmap is a linear mapping of the kernel page table. It differs from the
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