diff options
| -rw-r--r-- | src/arch/x86/lib/c_start.S | 1 | ||||
| -rw-r--r-- | src/arch/x86/lib/exception.c | 13 | ||||
| -rw-r--r-- | src/console/console.c | 24 | ||||
| -rw-r--r-- | src/include/console/streams.h | 6 | ||||
| -rw-r--r-- | src/include/console/uart.h | 8 | ||||
| -rw-r--r-- | src/include/console/usb.h | 16 |
6 files changed, 64 insertions, 4 deletions
diff --git a/src/arch/x86/lib/c_start.S b/src/arch/x86/lib/c_start.S index faea22d6a6..675a09ce72 100644 --- a/src/arch/x86/lib/c_start.S +++ b/src/arch/x86/lib/c_start.S @@ -86,6 +86,7 @@ _start: post_code(POST_PRE_HARDWAREMAIN) /* post fe */ #if CONFIG_GDB_WAIT + call gdb_hw_init call gdb_stub_breakpoint #endif call main diff --git a/src/arch/x86/lib/exception.c b/src/arch/x86/lib/exception.c index 97569493fd..f64b2e799b 100644 --- a/src/arch/x86/lib/exception.c +++ b/src/arch/x86/lib/exception.c @@ -1,4 +1,5 @@ #include <console/console.h> +#include <console/streams.h> #include <string.h> #if CONFIG_GDB_STUB @@ -217,12 +218,17 @@ static char out_buffer[BUFMAX]; static inline void stub_putc(int ch) { - console_tx_byte(ch); + gdb_tx_byte(ch); +} + +static inline void stub_flush(void) +{ + gdb_tx_flush(); } static inline int stub_getc(void) { - return console_rx_byte(); + return gdb_rx_byte(); } static int hex(char ch) @@ -322,9 +328,11 @@ static int get_packet(char *buffer) if (checksum != xmitcsum) { stub_putc('-'); /* failed checksum */ + stub_flush(); } else { stub_putc('+'); /* successful transfer */ + stub_flush(); } } } while(checksum != xmitcsum); @@ -353,6 +361,7 @@ static void put_packet(char *buffer) stub_putc('#'); stub_putc(hexchars[checksum >> 4]); stub_putc(hexchars[checksum % 16]); + stub_flush(); } while ((stub_getc() & 0x7f) != '+'); diff --git a/src/console/console.c b/src/console/console.c index 9b1c25542a..bd03144a32 100644 --- a/src/console/console.c +++ b/src/console/console.c @@ -17,6 +17,7 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <rules.h> #include <console/streams.h> #include <console/cbmem_console.h> #include <console/uart.h> @@ -53,3 +54,26 @@ void console_tx_flush(void) __ne2k_tx_flush(); __usb_tx_flush(); } + + +#if CONFIG_GDB_STUB && (ENV_ROMSTAGE || ENV_RAMSTAGE) +void gdb_hw_init(void) +{ + __gdb_hw_init(); +} + +void gdb_tx_byte(unsigned char byte) +{ + __gdb_tx_byte(byte); +} + +void gdb_tx_flush(void) +{ + __gdb_tx_flush(); +} + +unsigned char gdb_rx_byte(void) +{ + return __gdb_rx_byte(); +} +#endif diff --git a/src/include/console/streams.h b/src/include/console/streams.h index 9d4d3fcc6b..fb168da905 100644 --- a/src/include/console/streams.h +++ b/src/include/console/streams.h @@ -22,6 +22,12 @@ void console_hw_init(void); void console_tx_byte(unsigned char byte); void console_tx_flush(void); +/* For remote GDB debugging. */ +void gdb_hw_init(void); +void gdb_tx_byte(unsigned char byte); +void gdb_tx_flush(void); +unsigned char gdb_rx_byte(void); + /* Helpers for ROMCC console. */ void console_tx_nibble(unsigned nibble); void console_tx_hex8(unsigned char value); diff --git a/src/include/console/uart.h b/src/include/console/uart.h index b08cd9b4f1..d4020c3aa0 100644 --- a/src/include/console/uart.h +++ b/src/include/console/uart.h @@ -69,6 +69,14 @@ static inline void __uart_tx_byte(u8 data) {} static inline void __uart_tx_flush(void) {} #endif +#if CONFIG_GDB_STUB && (ENV_ROMSTAGE || ENV_RAMSTAGE) +#define CONFIG_UART_FOR_GDB CONFIG_UART_FOR_CONSOLE +static inline void __gdb_hw_init(void) { uart_init(CONFIG_UART_FOR_GDB); } +static inline void __gdb_tx_byte(u8 data) { uart_tx_byte(CONFIG_UART_FOR_GDB, data); } +static inline void __gdb_tx_flush(void) { uart_tx_flush(CONFIG_UART_FOR_GDB); } +static inline u8 __gdb_rx_byte(void) { return uart_rx_byte(CONFIG_UART_FOR_GDB); } +#endif + #endif /* __ROMCC__ */ #endif /* CONSOLE_UART_H */ diff --git a/src/include/console/usb.h b/src/include/console/usb.h index 57ea4eb3df..b5aab66649 100644 --- a/src/include/console/usb.h +++ b/src/include/console/usb.h @@ -34,14 +34,26 @@ int usb_can_rx_byte(int idx); #define __CONSOLE_USB_ENABLE__ CONFIG_CONSOLE_USB && \ ((ENV_ROMSTAGE && CONFIG_USBDEBUG_IN_ROMSTAGE) || ENV_RAMSTAGE) +#define USB_PIPE_FOR_CONSOLE 0 +#define USB_PIPE_FOR_GDB 0 + #if __CONSOLE_USB_ENABLE__ static inline void __usbdebug_init(void) { usbdebug_init(); } -static inline void __usb_tx_byte(u8 data) { usb_tx_byte(0, data); } -static inline void __usb_tx_flush(void) { usb_tx_flush(0); } +static inline void __usb_tx_byte(u8 data) { usb_tx_byte(USB_PIPE_FOR_CONSOLE, data); } +static inline void __usb_tx_flush(void) { usb_tx_flush(USB_PIPE_FOR_CONSOLE); } #else static inline void __usbdebug_init(void) {} static inline void __usb_tx_byte(u8 data) {} static inline void __usb_tx_flush(void) {} #endif +/* */ +#if 0 && CONFIG_GDB_STUB && \ + ((ENV_ROMSTAGE && CONFIG_USBDEBUG_IN_ROMSTAGE) || ENV_RAMSTAGE) +static inline void __gdb_hw_init(void) { usbdebug_init(); } +static inline void __gdb_tx_byte(u8 data) { usb_tx_byte(USB_PIPE_FOR_GDB, data); } +static inline void __gdb_tx_flush(void) { usb_tx_flush(USB_PIPE_FOR_GDB); } +static inline u8 __gdb_rx_byte(void) { return usb_rx_byte(USB_PIPE_FOR_GDB); } +#endif + #endif /* _CONSOLE_USB_H_ */ |