WindowsMappings keys each physical page's state (moved into the section,
saved bytes of an unmapped resident page) by the section handle value.
sceKernelReleaseDirectMemory frees the backing before it unmaps the views,
so ForgetSection ran while those views still existed and kept their slots.
After the views went, the slots stayed under a handle value that Windows
hands out again, and the next direct allocation whose section got that
value started with the old page state: its first mapping went to the
section instead of private memory, or received the old allocation's bytes.
Views now share ownership of their slot, ForgetSection drops every slot
of the section at once, and JIT shared memory forgets its section before
closing it too.
Map hw.model, hw.ncpu, hw.physmem, hw.realmem, kern.arandom and
kern.proc.pathname to their FreeBSD MIBs with the size handling of
FreeBSD's libc wrapper over name2oid, fail with ENOENT and ENAMETOOLONG
as name2oid does, and throw for null pointers, which FreeBSD's wrapper
dereferences, and for names sysctl does not serve.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Titles run natively, so a host CPU without an extension that compiled Zen 2 code uses faults with an illegal instruction deep inside a title (#3719: SHLX, BMI2). libkernel now reads CPUID and XCR0 when it loads on Linux and Windows, logs the host CPU's extensions and throws, naming the CPU and the missing extensions, before any title code runs.
select now checks pipe descriptors on Windows with the readiness test poll
already uses, so a pipe next to a libSceNet socket no longer throws.
RetroArch (PPSA99169) selects on libmicrohttpd's wake-up pipe beside its
listening socket. guest_select now runs on Windows too.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
XPSemu (PPSA97358) queries RLIMIT_NOFILE at start-up in QEMU's
os_setup_limits and stopped on the unsupported resource. It reports the
descriptor count after which AnyPS5 fails with EMFILE: the C runtime's
8192 low-level descriptors on Windows and the host limit on Linux.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Charge each recorded protection ranges 2 MiB granules to the gpu
pool when the range has GPU-access protection bits and to the cpu
pool otherwise, so the available counts reflect committed usage
instead of staying at the 2048-entry budget. Follows KytyPS5s
counting model.
The shared guest_memory_module gained a .elf0 section, so on Windows its
data was no longer counted against flexible memory and
CheckGuestModuleUsesFlexibleMemory failed. Build the .elf0 variant as a
separate guest_memory_elf0_module, keep the shared module as on main, and
check that a .guest.prx module without .elf0 is rejected.
fstat on a guest socket descriptor passed the guest number to the host,
which has no such descriptor, and threw ("FillFileStat: fstat failed for
fd 268435460"); sceKernelFstat returned EBADF. FreeBSD fills the stat
buffer for a socket through soo_stat (sys/kern/sys_socket.c):
bzero((caddr_t)ub, sizeof (*ub));
ub->st_mode = S_IFSOCK;
...
if ((sb->sb_state & SBS_CANTRCVMORE) == 0 || sbavail(sb))
ub->st_mode |= S_IRUSR | S_IRGRP | S_IROTH;
ub->st_size = sbavail(sb) - sb->sb_ctl;
...
if ((sb->sb_state & SBS_CANTSENDMORE) == 0)
ub->st_mode |= S_IWUSR | S_IWGRP | S_IWOTH;
and pru_sense_null (sys/kern/uipc_socket.c) adds
st_blksize = so->so_snd.sb_hiwat.
fstat and sceKernelFstat now answer a guest socket from the socket
table: S_IFSOCK, the read bits until the receive side is shut down and
drained, the write bits until the send side is shut down, st_size from
the bytes queued and st_blksize from the send buffer size, other fields
zero. shutdown records which side it closed. A closed socket descriptor
returns EBADF. The differences from the console (peer shutdown, the
host's FIONREAD and SO_SNDBUF, socketpair identity) are listed in
TechnicalDebt.md.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
PPSA50011 imports setpriority and stops at start-up once getpriority is implemented. Accept PRIO_PROCESS, PRIO_PGRP and PRIO_USER for the guest's own process and fail with ESRCH for any other id and EINVAL for any other which, leaving errno unchanged on success like FreeBSD's libc; the value is not applied, since the guest nice is not the host's scheduling class.
The mimalloc in PS5MC (PPSA99420) reads vm.overcommit at start-up and
stopped on the unsupported name. It reports FreeBSD's default, 0.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Adrià