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[orbis-kernel] implement kern.cpumode ioctl

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This commit is contained in:
DH 2023-07-30 19:38:02 +03:00
parent 00a1849a0b
commit 5edfdb037c
1 changed files with 31 additions and 5 deletions
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34
orbis-kernel/src/sys/sys_sysctl.cpp
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@ -19,7 +19,7 @@ orbis::SysResult orbis::sys___sysctl(Thread *thread, ptr<sint> name,
sdk_version,
sched_cpusetsize,
proc_ptc,
cpu_mode,
};
enum sysctl_hw {
@ -32,7 +32,7 @@ orbis::SysResult orbis::sys___sysctl(Thread *thread, ptr<sint> name,
};
// for (unsigned int i = 0; i < namelen; ++i) {
// std::printf(" name[%u] = %u\n", i, name[i]);
// std::fprintf(stderr, " name[%u] = %u\n", i, name[i]);
// }
if (namelen == 3) {
@ -70,7 +70,7 @@ orbis::SysResult orbis::sys___sysctl(Thread *thread, ptr<sint> name,
case sysctl_ctl::unspec: {
switch (name[1]) {
case 3: {
std::printf(" unspec - get name of '%s'\n",
std::fprintf(stderr, " unspec - get name of '%s'\n",
std::string((char *)new_, newlen).c_str());
auto searchName = std::string_view((char *)new_, newlen);
auto *dest = (std::uint32_t *)old;
@ -78,6 +78,7 @@ orbis::SysResult orbis::sys___sysctl(Thread *thread, ptr<sint> name,
if (searchName == "kern.smp.cpus") {
if (*oldlenp < 2 * sizeof(uint32_t)) {
std::fprintf(stderr, " %s error\n", searchName.data());
return ErrorCode::INVAL;
}
@ -85,6 +86,7 @@ orbis::SysResult orbis::sys___sysctl(Thread *thread, ptr<sint> name,
dest[count++] = smp_cpus;
} else if (searchName == "machdep.tsc_freq") {
if (*oldlenp < 2 * sizeof(uint32_t)) {
std::fprintf(stderr, " %s error\n", searchName.data());
return ErrorCode::INVAL;
}
@ -92,6 +94,7 @@ orbis::SysResult orbis::sys___sysctl(Thread *thread, ptr<sint> name,
dest[count++] = tsc_freq;
} else if (searchName == "kern.sdk_version") {
if (*oldlenp < 2 * sizeof(uint32_t)) {
std::fprintf(stderr, " %s error\n", searchName.data());
return ErrorCode::INVAL;
}
@ -99,6 +102,7 @@ orbis::SysResult orbis::sys___sysctl(Thread *thread, ptr<sint> name,
dest[count++] = sdk_version;
} else if (searchName == "kern.sched.cpusetsize") {
if (*oldlenp < 2 * sizeof(uint32_t)) {
std::fprintf(stderr, " %s error\n", searchName.data());
return ErrorCode::INVAL;
}
@ -106,15 +110,24 @@ orbis::SysResult orbis::sys___sysctl(Thread *thread, ptr<sint> name,
dest[count++] = sched_cpusetsize;
} else if (searchName == "kern.proc.ptc") {
if (*oldlenp < 2 * sizeof(uint32_t)) {
std::printf(" kern.proc.ptc error\n");
std::fprintf(stderr, " %s error\n", searchName.data());
return ErrorCode::INVAL;
}
dest[count++] = kern;
dest[count++] = proc_ptc;
} else if (searchName == "kern.cpumode") {
if (*oldlenp < 2 * sizeof(uint32_t)) {
std::fprintf(stderr, " %s error\n", searchName.data());
return ErrorCode::INVAL;
}
dest[count++] = kern;
dest[count++] = cpu_mode;
}
if (count == 0) {
std::fprintf(stderr, " %s is unknown\n", searchName.data());
return ErrorCode::SRCH;
}
@ -198,6 +211,19 @@ orbis::SysResult orbis::sys___sysctl(Thread *thread, ptr<sint> name,
}
*(std::uint64_t *)old = 1357;
break;
}
case sysctl_kern::cpu_mode: {
if (*oldlenp != 4 || new_ != nullptr || newlen != 0) {
return ErrorCode::INVAL;
}
// 0 - 6 cpu
// 1 - 7 cpu, low power
// 5 - 7 cpu, normal
*(std::uint32_t *)old = 5;
break;
}
default: