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exec-all.h: Document tlb_set_page_with_attrs, tlb_set_page

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Add documentation comments for tlb_set_page_with_attrs()
and tlb_set_page().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
This commit is contained in:
Peter Maydell 2016-01-21 14:15:04 +00:00
parent 12ebc9a76d
commit 1787cc8ee5
1 changed files with 31 additions and 3 deletions
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34
include/exec/exec-all.h
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@ -144,12 +144,40 @@ void tlb_flush_page_by_mmuidx(CPUState *cpu, target_ulong addr, ...);
* MMU indexes.
*/
void tlb_flush_by_mmuidx(CPUState *cpu, ...);
void tlb_set_page(CPUState *cpu, target_ulong vaddr,
hwaddr paddr, int prot,
int mmu_idx, target_ulong size);
/**
* tlb_set_page_with_attrs:
* @cpu: CPU to add this TLB entry for
* @vaddr: virtual address of page to add entry for
* @paddr: physical address of the page
* @attrs: memory transaction attributes
* @prot: access permissions (PAGE_READ/PAGE_WRITE/PAGE_EXEC bits)
* @mmu_idx: MMU index to insert TLB entry for
* @size: size of the page in bytes
*
* Add an entry to this CPU's TLB (a mapping from virtual address
* @vaddr to physical address @paddr) with the specified memory
* transaction attributes. This is generally called by the target CPU
* specific code after it has been called through the tlb_fill()
* entry point and performed a successful page table walk to find
* the physical address and attributes for the virtual address
* which provoked the TLB miss.
*
* At most one entry for a given virtual address is permitted. Only a
* single TARGET_PAGE_SIZE region is mapped; the supplied @size is only
* used by tlb_flush_page.
*/
void tlb_set_page_with_attrs(CPUState *cpu, target_ulong vaddr,
hwaddr paddr, MemTxAttrs attrs,
int prot, int mmu_idx, target_ulong size);
/* tlb_set_page:
*
* This function is equivalent to calling tlb_set_page_with_attrs()
* with an @attrs argument of MEMTXATTRS_UNSPECIFIED. It's provided
* as a convenience for CPUs which don't use memory transaction attributes.
*/
void tlb_set_page(CPUState *cpu, target_ulong vaddr,
hwaddr paddr, int prot,
int mmu_idx, target_ulong size);
void tb_invalidate_phys_addr(AddressSpace *as, hwaddr addr);
void probe_write(CPUArchState *env, target_ulong addr, int mmu_idx,
uintptr_t retaddr);