35 lines
963 B
C++
35 lines
963 B
C++
#include <kernel/Device/DebugDevice.h>
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#include <kernel/Device/DeviceNumbers.h>
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#include <kernel/Process.h>
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#include <kernel/Timer/Timer.h>
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#include <sys/sysmacros.h>
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namespace Kernel
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{
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BAN::ErrorOr<BAN::RefPtr<DebugDevice>> DebugDevice::create(mode_t mode, uid_t uid, gid_t gid)
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{
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static uint32_t minor = 0;
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auto* result = new DebugDevice(mode, uid, gid, makedev(DeviceNumber::Debug, minor++));
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if (result == nullptr)
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return BAN::Error::from_errno(ENOMEM);
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return BAN::RefPtr<DebugDevice>::adopt(result);
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}
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BAN::ErrorOr<size_t> DebugDevice::write_impl(off_t, BAN::ConstByteSpan buffer)
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{
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auto ms_since_boot = SystemTimer::get().ms_since_boot();
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SpinLockGuard _(Debug::s_debug_lock);
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BAN::Formatter::print(Debug::putchar, "[{5}.{3}] {}: ",
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ms_since_boot / 1000,
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ms_since_boot % 1000,
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Kernel::Process::current().name()
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);
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for (size_t i = 0; i < buffer.size(); i++)
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Debug::putchar(buffer[i]);
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return buffer.size();
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}
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}
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