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Diffstat (limited to 'dev/Kernel/HALKit/AMD64/HalDebugOutput.cxx')
| -rw-r--r-- | dev/Kernel/HALKit/AMD64/HalDebugOutput.cxx | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/dev/Kernel/HALKit/AMD64/HalDebugOutput.cxx b/dev/Kernel/HALKit/AMD64/HalDebugOutput.cxx deleted file mode 100644 index d4e2b435..00000000 --- a/dev/Kernel/HALKit/AMD64/HalDebugOutput.cxx +++ /dev/null @@ -1,145 +0,0 @@ -/* ------------------------------------------- - - Copyright ZKA Technologies. - -------------------------------------------- */ - -#include <ArchKit/ArchKit.hxx> -#include <KernelKit/DebugOutput.hxx> -#include <KernelKit/Framebuffer.hxx> -#include <NewKit/Utils.hxx> -#include <NewKit/New.hxx> - -namespace Kernel -{ - enum CommStatus - { - kStateInvalid, - kStateReady = 0xCF, - kStateTransmit = 0xFC, - kStateCnt = 3 - }; - - namespace Detail - { - constexpr short PORT = 0x3F8; - - static int kState = kStateInvalid; - - /// @brief Init COM1. - /// @return - bool hal_serial_init() noexcept - { -#ifdef __DEBUG__ - if (kState == kStateReady || kState == kStateTransmit) - return true; - - HAL::Out8(PORT + 1, 0x00); // Disable all interrupts - HAL::Out8(PORT + 3, 0x80); // Enable DLAB (set baud rate divisor) - HAL::Out8(PORT + 0, 0x03); // Set divisor to 3 (lo byte) 38400 baud - HAL::Out8(PORT + 1, 0x00); // (hi byte) - HAL::Out8(PORT + 3, 0x03); // 8 bits, no parity, one stop bit - HAL::Out8(PORT + 2, 0xC7); // Enable FIFO, clear them, with 14-byte threshold - HAL::Out8(PORT + 4, 0x0B); // IRQs enabled, RTS/DSR set - HAL::Out8(PORT + 4, 0x1E); // Set in loopback mode, test the serial chip - HAL::Out8(PORT + 0, 0xAE); // Test serial chip (send byte 0xAE and check if - // serial returns same byte) - - // Check if serial is faulty (i.e: not same byte as sent) - if (HAL::In8(PORT) != 0xAE) - { - ke_stop(RUNTIME_CHECK_HANDSHAKE); - } - - kState = kStateReady; - - // If serial is not faulty set it in normal operation mode - // (not-loopback with IRQs enabled and OUT#1 and OUT#2 bits enabled) - HAL::Out8(Detail::PORT + 4, 0x0F); -#endif // __DEBUG__ - - return true; - } - } // namespace Detail - - EXTERN_C void ke_io_write(const char* bytes) - { -#ifdef __DEBUG__ - Detail::hal_serial_init(); - - if (!bytes || Detail::kState != kStateReady) - return; - if (*bytes == 0) - return; - - Detail::kState = kStateTransmit; - - SizeT index = 0; - SizeT len = 0; - - index = 0; - len = rt_string_len(bytes, 255); - - while (index < len) - { - if (bytes[index] == '\r') - HAL::Out8(Detail::PORT, '\r'); - - HAL::Out8(Detail::PORT, bytes[index] == '\r' ? '\n' : bytes[index]); - ++index; - } - - Detail::kState = kStateReady; -#endif // __DEBUG__ - } - - EXTERN_C void ke_io_read(const char* bytes) - { -#ifdef __DEBUG__ - Detail::hal_serial_init(); - - if (!bytes || Detail::kState != kStateReady) - return; - - Detail::kState = kStateTransmit; - - SizeT index = 0; - - ///! TODO: Look on how to wait for the UART to complete. - while (true) - { - auto in = HAL::In8(Detail::PORT); - - ///! If enter pressed then break. - if (in == 0xD) - { - break; - } - - if (in < '0' || in < 'A' || in < 'a') - { - if (in != '@' || in != '!' || in != '?' || in != '.' || in != '/' || - in != ':') - { - continue; - } - } - - ((char*)bytes)[index] = in; - - ++index; - } - - ((char*)bytes)[index] = 0; - - Detail::kState = kStateReady; -#endif // __DEBUG__ - } - - TerminalDevice TerminalDevice::The() noexcept - { - TerminalDevice out(Kernel::ke_io_write, Kernel::ke_io_read); - return out; - } - -} // namespace Kernel |
