FPPS4/sys/sys_mmap.pas

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unit sys_mmap;
{$mode ObjFPC}{$H+}
{$CALLING SysV_ABI_CDecl}
interface
uses
vm_mmap;
const
PROT_NONE =$00; // no permissions
PROT_READ =$01; // pages can be read
PROT_WRITE =$02; // pages can be written
PROT_EXEC =$04; // pages can be executed
PROT_CPU_READ =PROT_READ;
PROT_CPU_WRITE =PROT_WRITE;
PROT_CPU_ALL =$07;
PROT_GPU_READ =$10;
PROT_GPU_WRITE =$20;
PROT_GPU_ALL =$30;
MAP_SHARED =$00001; // share changes
MAP_PRIVATE =$00002; // changes are private
MAP_FIXED =$00010; // map addr must be exactly as requested
MAP_NO_OVERWRITE =$00080; // don't overwrite memory with MAP_FIXED
MAP_VOID =$00100; // reserve addr
MAP_HASSEMAPHORE =$00200; // region may contain semaphores
MAP_STACK =$00400; // region grows down, like a stack
MAP_NOSYNC =$00800; // page to but do not sync underlying file
MAP_FILE =$00000; // map from file (default)
MAP_ANON =$01000; // allocated from memory, swap space
MAP_ANONYMOUS =MAP_ANON; // For compatibility.
MAP_SYSTEM =$02000;
MAP_ALLAVAILABLE =$04000;
MAP_NOCORE =$20000; // dont include these pages in a coredump
MAP_PREFAULT_READ=$40000; // prefault mapping for reading
MAP_SELF =$80000; // map decryped SELF file
MAP_SANITIZER =$200000; // devkit only
MAP_NO_COALESCE =$400000; // do not merge nearby areas
MAP_WRITABLE_WB_GARLIC=$800000; // allow write to WB_GARLIC
MAP_ALIGNMENT_BIT =24;
MAP_ALIGNMENT_SHIFT=24;
MAP_ALIGNMENT_MASK =$ff shl MAP_ALIGNMENT_SHIFT;
MAP_ALIGNED_SUPER =$01 shl MAP_ALIGNMENT_SHIFT;
//MAP_ALIGNED(n) ((n) << MAP_ALIGNMENT_SHIFT)
MCL_CURRENT=$0001; // Lock only current memory
MCL_FUTURE =$0002; // Lock all future memory as well
MAP_FAILED =Pointer(-1);
MS_SYNC =$0000; // msync synchronously
MS_ASYNC =$0001; // return immediately
MS_INVALIDATE=$0002; // invalidate all cached data
//Advice to madvise
_MADV_NORMAL =0; // no further special treatment
_MADV_RANDOM =1; // expect random page references
_MADV_SEQUENTIAL=2; // expect sequential page references
_MADV_WILLNEED =3; // will need these pages
_MADV_DONTNEED =4; // dont need these pages
MADV_NORMAL =_MADV_NORMAL;
MADV_RANDOM =_MADV_RANDOM;
MADV_SEQUENTIAL=_MADV_SEQUENTIAL;
MADV_WILLNEED =_MADV_WILLNEED;
MADV_DONTNEED =_MADV_DONTNEED;
MADV_FREE = 5; // dont need these pages, and junk contents (until the page is modified again)
MADV_NOSYNC = 6; // try to avoid flushes to physical media
MADV_AUTOSYNC = 7; // revert to default flushing strategy
MADV_NOCORE = 8; // do not include these pages in a core file
MADV_CORE = 9; // revert to including pages in a core file
MADV_PROTECT =10; // protect process from pageout kill
type
p_query_memory_prot=vm_mmap.p_query_memory_prot;
t_query_memory_prot=vm_mmap.t_query_memory_prot;
//sce
function sceKernelSetVirtualRangeName(addr:Pointer;len:QWORD;name:PChar):Integer;
implementation
uses
syscalls,
thr_error;
//sce
function sceKernelSetVirtualRangeName(addr:Pointer;len:QWORD;name:PChar):Integer;
begin
Result:=mname(addr,len,name);
if (Result=-1) then
begin
Result:=px2sce(_get_errno);
end;
end;
end.