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| author | Andrzej Zaborowski <andrew.zaborowski@intel.com> | 2009-02-19 15:04:59 -0500 |
|---|---|---|
| committer | Andrzej Zaborowski <balrog@zabor.org> | 2009-03-16 20:48:03 +0100 |
| commit | 0f3586118f1e244c5114211b16cf7fec9184783c (patch) | |
| tree | ede5905a2063cf26bf0d1dcbd38046cb3a16b5cc | |
| parent | d888bbc723c00d197d34a39b5b7448660ec1b1c0 (diff) | |
| download | qemugl-0f3586118f1e244c5114211b16cf7fec9184783c.tar.gz qemugl-0f3586118f1e244c5114211b16cf7fec9184783c.tar.bz2 qemugl-0f3586118f1e244c5114211b16cf7fec9184783c.zip | |
Initial serial transport support (no appropriate locking - don't use).
| -rw-r--r-- | opengl_client.c | 58 |
1 files changed, 47 insertions, 11 deletions
diff --git a/opengl_client.c b/opengl_client.c index 46bbfce..31237ca 100644 --- a/opengl_client.c +++ b/opengl_client.c @@ -49,6 +49,7 @@ #include <errno.h> #include <assert.h> #include <math.h> +#include <termios.h> #define GL_GLEXT_LEGACY #include "mesa_gl.h" @@ -58,9 +59,11 @@ #include <dlfcn.h> #include <sys/time.h> #include <sys/types.h> +#include <sys/stat.h> #include <sys/wait.h> #include <sys/mman.h> #include <pthread.h> +#include <fcntl.h> #include <X11/X.h> #include <X11/Xutil.h> @@ -1122,26 +1125,61 @@ static int call_opengl_qemu(int func_number, int pid, void* ret_string, void* ar #endif } +#define SERIAL_COMM_SUPPORT +static int use_uart_comm = 1; +static int uart_comm_fd; +#ifdef SERIAL_COMM_SUPPORT +static int call_opengl_uart(int func_number, int pid, + void *ret_string, void *args, void *args_size) +{ + char cmd[17]; + uint64_t params[5] = { + func_number, + pid, + (long unsigned int) ret_string, + (long unsigned int) args, + (long unsigned int) args_size, + }; + + sprintf(cmd, "%016llx", (long long unsigned int) (long unsigned int) params); + + write(uart_comm_fd, cmd, 16); + return (int) params[0]; +} + +static void opengl_uart_init(void) +{ + struct termios tios; + uart_comm_fd = open("/dev/ttyS1", O_RDWR | O_NOCTTY | O_SYNC); + cfmakeraw(&tios); + tcsetattr(uart_comm_fd, TCSAFLUSH, &tios); +} +#endif #ifdef TCP_COMMUNICATION_SUPPORT static int use_tcp_communication = 0; +#endif static int call_opengl(int func_number, int pid, void* ret_string, void* args, void* args_size) { - if (!use_tcp_communication) - return call_opengl_qemu(func_number, pid, ret_string, args, args_size); +#ifdef SERIAL_COMM_SUPPORT + if (use_uart_comm) + return call_opengl_uart(func_number, pid, ret_string, args, args_size); else +#endif +#ifdef TCP_COMMUNICATION_SUPPORT + if (use_tcp_communication) return call_opengl_tcp(func_number, pid, ret_string, args, args_size); -} -#else -static int call_opengl(int func_number, int pid, void* ret_string, void* args, void* args_size) -{ - return call_opengl_qemu(func_number, pid, ret_string, args, args_size); -} + else #endif - + return call_opengl_qemu(func_number, pid, ret_string, args, args_size); +} static void do_init() { +#ifdef SERIAL_COMM_SUPPORT + if (use_uart_comm) + opengl_uart_init(); +#endif #ifdef TCP_COMMUNICATION_SUPPORT if (use_tcp_communication) { @@ -12016,6 +12054,4 @@ WINGDIAPI const char* WINAPI wglGetExtensionsStringARB(HDC hdc) return extensions; } - - #endif |