lib/mammoth/CMakeLists.txt

@@ -1,6 +1,5 @@
 add_library(mammoth STATIC
   file/file.cpp
-  input/keyboard.cpp
   ipc/channel.cpp
   ipc/endpoint_client.cpp
   ipc/endpoint_server.cpp
@@ -26,7 +25,6 @@ target_link_libraries(mammoth
   glacier
   victoriafalls_yunq
   yellowstone_yunq
-  voyageurs_yunq
   zion_stub
   )
 

lib/mammoth/input/keyboard.cpp

@@ -1,276 +0,0 @@
-#include "input/keyboard.h"
-
-#include <voyageurs/voyageurs.yunq.client.h>
-#include <yellowstone/yellowstone.yunq.client.h>
-#include <zglobal.h>
-
-#include "util/debug.h"
-
-namespace mmth {
-namespace {
-
-void KeyboardListenerEntry(void* keyboard_base) {
-  reinterpret_cast<KeyboardListenerBase*>(keyboard_base)->ListenLoop();
-}
-
-}  // namespace
-
-KeyboardListenerBase::KeyboardListenerBase() {
-  auto server_or = PortServer::Create();
-  if (!server_or) {
-    crash("Failed to create server", server_or.error());
-  }
-  server_ = server_or.value();
-}
-
-void KeyboardListenerBase::Register() {
-  YellowstoneClient client(gInitEndpointCap);
-
-  GetEndpointRequest req;
-  req.set_endpoint_name("voyageurs");
-  Endpoint endpt;
-  check(client.GetEndpoint(req, endpt));
-
-  VoyageursClient vclient(endpt.endpoint());
-  KeyboardListener listn;
-
-  // TODO: Create a "ASSIGN_OR_CRASH" macro to simplify this.
-  auto client_or = server_.CreateClient();
-  if (!client_or.ok()) {
-    crash("Failed to create client", client_or.error());
-  }
-  listn.set_port_capability(client_or.value().cap());
-  None n;
-  check(vclient.RegisterKeyboardListener(listn, n));
-}
-
-Thread KeyboardListenerBase::Listen() {
-  return Thread(KeyboardListenerEntry, this);
-}
-
-void KeyboardListenerBase::ListenLoop() {
-  while (true) {
-    auto scancode_or = server_.RecvChar();
-    if (!scancode_or.ok()) {
-      check(scancode_or.error());
-    }
-    uint8_t scancode = scancode_or.value();
-
-    if (scancode == 0xE0) {
-      extended_on_ = true;
-      continue;
-    }
-
-    Keycode k = ScancodeToKeycode(scancode);
-    Action a = ScancodeToAction(scancode);
-    HandleKeycode(k, a);
-  }
-}
-
-void KeyboardListenerBase::HandleKeycode(Keycode code, Action action) {
-  char c = '\0';
-
-  if (action == kPressed) {
-    if (code >= kA && code <= kZ) {
-      if (IsShift()) {
-        const char* alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
-        c = alpha[code - kA];
-
-      } else {
-        const char* alpha = "abcdefghijklmnopqrstuvwxyz";
-        c = alpha[code - kA];
-      }
-    } else if (code >= k1 && code <= k0) {
-      if (IsShift()) {
-        const char* num = "!@#$%^&*()";
-        c = num[code - k1];
-      } else {
-        const char* num = "1234567890";
-        c = num[code - k1];
-      }
-    } else if (code >= kMinus && code <= kBacktick) {
-      if (IsShift()) {
-        const char* sym = "_+{}|?:\"<>~";
-        c = sym[code - kMinus];
-      } else {
-        const char* sym = "-=[]\\/;',.`";
-        c = sym[code - kMinus];
-      }
-    } else if (code == kEnter) {
-      c = '\n';
-    } else if (code == kSpace) {
-      c = ' ';
-    } else if (code == kTab) {
-      c = '\t';
-    } else if (code == kLShift) {
-      lshift_ = true;
-    } else if (code == kRShift) {
-      rshift_ = true;
-    }
-  } else if (action == kReleased) {
-    if (code == kLShift) {
-      lshift_ = false;
-    } else if (code == kRShift) {
-      rshift_ = false;
-    }
-  }
-
-  if (c != '\0') {
-    HandleCharacter(c);
-  }
-}
-
-Keycode KeyboardListenerBase::ScancodeToKeycode(uint8_t scancode) {
-  // Cancel out the released bit.
-  scancode &= 0x7F;
-  if (extended_on_) {
-    extended_on_ = false;
-
-    switch (scancode) {
-      case 0x1D:
-        return kRCtrl;
-      case 0x38:
-        return kRAlt;
-      case 0x48:
-        return kUp;
-      case 0x4B:
-        return kLeft;
-      case 0x4D:
-        return kRight;
-      case 0x50:
-        return kDown;
-      case 0x53:
-        return kDelete;
-      case 0x5B:
-        return kSuper;
-    }
-    dbgln("Unknown extended scancode {x}", scancode);
-
-    return kUnknownKeycode;
-  }
-
-  switch (scancode) {
-    case 0x01:
-      return kEsc;
-    case 0x02:
-      return k1;
-    case 0x03:
-      return k2;
-    case 0x04:
-      return k3;
-    case 0x05:
-      return k4;
-    case 0x06:
-      return k5;
-    case 0x07:
-      return k6;
-    case 0x08:
-      return k7;
-    case 0x09:
-      return k8;
-    case 0x0A:
-      return k9;
-    case 0x0B:
-      return k0;
-    case 0x0C:
-      return kMinus;
-    case 0x0D:
-      return kEquals;
-    case 0x0E:
-      return kBackspace;
-    case 0x0F:
-      return kTab;
-    case 0x10:
-      return kQ;
-    case 0x11:
-      return kW;
-    case 0x12:
-      return kE;
-    case 0x13:
-      return kR;
-    case 0x14:
-      return kT;
-    case 0x15:
-      return kY;
-    case 0x16:
-      return kU;
-    case 0x17:
-      return kI;
-    case 0x18:
-      return kO;
-    case 0x19:
-      return kP;
-    case 0x1A:
-      return kLBrace;
-    case 0x1B:
-      return kRBrace;
-    case 0x1C:
-      return kEnter;
-    case 0x1D:
-      return kLCtrl;
-    case 0x1E:
-      return kA;
-    case 0x1F:
-      return kS;
-    case 0x20:
-      return kD;
-    case 0x21:
-      return kF;
-    case 0x22:
-      return kG;
-    case 0x23:
-      return kH;
-    case 0x24:
-      return kJ;
-    case 0x25:
-      return kK;
-    case 0x26:
-      return kL;
-    case 0x27:
-      return kSemicolon;
-    case 0x28:
-      return kQuote;
-    case 0x29:
-      return kBacktick;
-    case 0x2A:
-      return kLShift;
-    case 0x2B:
-      return kBSlash;
-    case 0x2C:
-      return kZ;
-    case 0x2D:
-      return kX;
-    case 0x2E:
-      return kC;
-    case 0x2F:
-      return kV;
-    case 0x30:
-      return kB;
-    case 0x31:
-      return kN;
-    case 0x32:
-      return kM;
-    case 0x33:
-      return kComma;
-    case 0x34:
-      return kPeriod;
-    case 0x35:
-      return kFSlash;
-    case 0x36:
-      return kRShift;
-    case 0x38:
-      return kLAlt;
-    case 0x39:
-      return kSpace;
-  }
-
-  dbgln("Unknown scancode {x}", scancode);
-
-  return kUnknownKeycode;
-}
-
-Action KeyboardListenerBase::ScancodeToAction(uint8_t scancode) {
-  return (scancode & 0x80) ? kReleased : kPressed;
-}
-
-}  // namespace mmth

lib/mammoth/input/keyboard.h

@@ -1,123 +0,0 @@
-#pragma once
-
-#include "mammoth/ipc/port_server.h"
-#include "mammoth/proc/thread.h"
-
-namespace mmth {
-
-enum Keycode {
-  kUnknownKeycode = 0x0,
-
-  kA = 0x1,
-  kB = 0x2,
-  kC = 0x3,
-  kD = 0x4,
-  kE = 0x5,
-  kF = 0x6,
-  kG = 0x7,
-  kH = 0x8,
-  kI = 0x9,
-  kJ = 0xA,
-  kK = 0xB,
-  kL = 0xC,
-  kM = 0xD,
-  kN = 0xE,
-  kO = 0xF,
-  kP = 0x10,
-  kQ = 0x11,
-  kR = 0x12,
-  kS = 0x13,
-  kT = 0x14,
-  kU = 0x15,
-  kV = 0x16,
-  kW = 0x17,
-  kX = 0x18,
-  kY = 0x19,
-  kZ = 0x1A,
-
-  k1 = 0x20,
-  k2 = 0x21,
-  k3 = 0x22,
-  k4 = 0x23,
-  k5 = 0x24,
-  k6 = 0x25,
-  k7 = 0x26,
-  k8 = 0x27,
-  k9 = 0x28,
-  k0 = 0x29,
-
-  kSpace = 0x30,
-  kEnter = 0x31,
-  kTab = 0x32,
-  kBackspace = 0x33,
-  kDelete = 0x34,
-
-  kMinus = 0x40,
-  kEquals = 0x41,
-  kLBrace = 0x42,
-  kRBrace = 0x43,
-  kBSlash = 0x44,
-  kFSlash = 0x45,
-  kSemicolon = 0x46,
-  kQuote = 0x47,
-  kComma = 0x48,
-  kPeriod = 0x49,
-  kBacktick = 0x4A,
-
-  kLShift = 0x50,
-  kRShift = 0x51,
-  kLCtrl = 0x52,
-  kRCtrl = 0x53,
-  kLAlt = 0x54,
-  kRAlt = 0x55,
-  kSuper = 0x56,
-  kEsc = 0x57,
-  kUp = 0x58,
-  kDown = 0x59,
-  kLeft = 0x5A,
-  kRight = 0x5B,
-};
-
-enum Action {
-  kUnknownAction,
-  kPressed,
-  kReleased,
-};
-
-class KeyboardListenerBase {
- public:
-  KeyboardListenerBase();
-  KeyboardListenerBase(const KeyboardListenerBase&) = delete;
-  KeyboardListenerBase(KeyboardListenerBase&&) = delete;
-
-  void Register();
-
-  Thread Listen();
-
-  void ListenLoop();
-
-  // Override this to recieve all raw keycodes. By default
-  // this function will try to translate each keycode into
-  // a printable character and call HandleCharacter.
-  virtual void HandleKeycode(Keycode code, Action action);
-
-  // This function is called by the default HandleKeycode
-  // implementation if you do not override it. If it recieves
-  // input that corresponds to a printable character it will
-  virtual void HandleCharacter(char c){};
-
- private:
-  PortServer server_;
-
-  bool extended_on_ = false;
-
-  bool lshift_ = false;
-  bool rshift_ = false;
-
-  Keycode ScancodeToKeycode(uint8_t scancode);
-  Action ScancodeToAction(uint8_t scancode);
-
-  bool IsShift() { return lshift_ || rshift_; }
-};
-
-}  // namespace mmth

lib/mammoth/ipc/port_server.cpp

@@ -47,12 +47,4 @@ glcr::ErrorCode PortServer::PollForIntCap(uint64_t *msg, uint64_t *cap) {
   return glcr::OK;
 }
 
-glcr::ErrorOr<char> PortServer::RecvChar() {
-  uint64_t bytes = 1;
-  uint64_t caps = 0;
-  char byte;
-  RET_ERR(ZPortRecv(port_cap_, &bytes, &byte, &caps, nullptr));
-  return byte;
-}
-
 }  // namespace mmth

lib/mammoth/ipc/port_server.h

@@ -18,8 +18,6 @@ class PortServer {
   glcr::ErrorCode RecvCap(uint64_t* num_bytes, char* msg, uint64_t* cap);
   glcr::ErrorCode PollForIntCap(uint64_t* msg, uint64_t* cap);
 
-  glcr::ErrorOr<char> RecvChar();
-
   z_cap_t cap() { return port_cap_; }
 
  private:

sys/teton/CMakeLists.txt

@@ -2,7 +2,6 @@ add_executable(teton
   framebuffer/console.cpp
   framebuffer/framebuffer.cpp
   framebuffer/psf.cpp
-  keyboard_listener.cpp
   teton.cpp
   )
 
@@ -14,7 +13,6 @@ target_link_libraries(teton
   glacier
   mammoth
   victoriafalls_yunq
-  voyageurs_yunq
   yellowstone_yunq
   )
 

sys/teton/framebuffer/console.cpp

@@ -19,12 +19,12 @@ void Console::WriteChar(char c) {
   uint8_t* glyph = psf_.glyph(c);
 
   for (uint32_t r = fb_row; r < fb_row + psf_.height(); r++) {
-    for (uint32_t j = fb_col; j < fb_col + psf_.width(); j++) {
-      uint8_t glyph_offset = psf_.width() - (j - fb_col) - 1;
-      if ((glyph[r - fb_row] & (1 << glyph_offset))) {
-        framebuf_.DrawPixel(r, j, 0xFFFFFFF);
+    for (uint32_t c = fb_col; c < fb_col + psf_.width(); c++) {
+      uint8_t glyph_offset = psf_.width() - (c - fb_col) - 1;
+      if ((glyph[r] & (1 << glyph_offset))) {
+        framebuf_.DrawPixel(r, c, 0xFFFFFFF);
       } else {
-        framebuf_.DrawPixel(r, j, 0);
+        framebuf_.DrawPixel(r, c, 0);
       }
     }
   }

sys/teton/keyboard_listener.cpp

@@ -1,3 +0,0 @@
-#include "keyboard_listener.h"
-
-void KeyboardListener::HandleCharacter(char c) { console_.WriteChar(c); }

sys/teton/keyboard_listener.h

@@ -1,12 +0,0 @@
-#include <mammoth/input/keyboard.h>
-
-#include "framebuffer/console.h"
-
-class KeyboardListener : public mmth::KeyboardListenerBase {
- public:
-  KeyboardListener(Console& c) : mmth::KeyboardListenerBase(), console_(c) {}
-  virtual void HandleCharacter(char c) override;
-
- private:
-  Console& console_;
-};

sys/teton/teton.cpp

@@ -1,4 +1,3 @@
-#include <mammoth/ipc/port_server.h>
 #include <mammoth/util/debug.h>
 #include <mammoth/util/init.h>
 #include <victoriafalls/victoriafalls.yunq.client.h>
@@ -7,7 +6,6 @@
 #include "framebuffer/console.h"
 #include "framebuffer/framebuffer.h"
 #include "framebuffer/psf.h"
-#include "keyboard_listener.h"
 
 uint64_t main(uint64_t init_port) {
   ParseInitPort(init_port);
@@ -30,16 +28,13 @@ uint64_t main(uint64_t init_port) {
   Psf psf("/default8x16.psfu");
   psf.DumpHeader();
 
-  // 3. Write a line to the screen.
   Console console(fbuf, psf);
-  console.WriteChar('>');
+  console.WriteString("Hello World!\n");
+  for (uint8_t i = 0x20; i < 0x7E; i++) {
+    console.WriteChar(i);
+  }
 
-  KeyboardListener listener(console);
-  listener.Register();
+  // 3. Write a line to the screen.
 
-  Thread lthread = listener.Listen();
-
-  check(lthread.Join());
-
-  return glcr::OK;
+  return 0;
 }

sys/voyageurs/keyboard/keyboard_driver.cpp

@@ -25,6 +25,7 @@ void KeyboardDriver::InterruptLoop() {
     uint64_t num_bytes = 1;
     uint64_t num_caps = 0;
     check(ZPortRecv(irq_cap_, &num_bytes, &scancode, &num_caps, nullptr));
+    dbgln("Scan {x}", scancode);
 
     for (mmth::PortClient& client : listeners_) {
       client.WriteByte(scancode);

sys/voyageurs/voyageurs.cpp

@@ -1,7 +1,6 @@
 
 #include <mammoth/util/debug.h>
 #include <mammoth/util/init.h>
-#include <yellowstone/yellowstone.yunq.client.h>
 
 #include "keyboard/keyboard_driver.h"
 #include "voyageurs_server.h"
@@ -21,15 +20,6 @@ uint64_t main(uint64_t init_port) {
 
   Thread server_thread = server->RunServer();
 
-  YellowstoneClient yellowstone(gInitEndpointCap);
-
-  RegisterEndpointRequest req;
-  req.set_endpoint_name("voyageurs");
-  ASSIGN_OR_RETURN(VoyageursClient client, server->CreateClient());
-  req.set_endpoint_capability(client.Capability());
-  Empty empty;
-  check(yellowstone.RegisterEndpoint(req, empty));
-
   check(server_thread.Join());
   check(keyboard_thread.Join());