/* sparc device support Copyright (C) 1999 Cygnus Solutions. */ #include "sim-main.h" #include "dev32.h" #ifdef HAVE_DV_SOCKSER #include "dv-sockser.h" #endif /* ??? At present this is to match erc32 so outbyte works. */ device sparc_devices; int device_io_read_buffer (device *me, void *source, int space, address_word addr, unsigned nr_bytes, SIM_CPU *cpu, sim_cia cia) { SIM_DESC sd = CPU_STATE (cpu); if (STATE_ENVIRONMENT (sd) != OPERATING_ENVIRONMENT) return nr_bytes; #ifdef HAVE_DV_SOCKSER if (addr == UART_INCHAR_ADDR) { int c = dv_sockser_read (sd); if (c == -1) return 0; *(char *) source = c; return 1; } if (addr == UART_STATUS_ADDR) { int status = dv_sockser_status (sd); unsigned char *p = source; p[0] = 0; p[1] = (((status & DV_SOCKSER_INPUT_EMPTY) #ifdef UART_INPUT_READY0 ? UART_INPUT_READY : 0) #else ? 0 : UART_INPUT_READY) #endif + ((status & DV_SOCKSER_OUTPUT_EMPTY) ? UART_OUTPUT_READY : 0)); return 2; } #endif /* erc32 compatibility */ if (addr == RXSTAT) { int Ucontrol = 0; unsigned char *p = source; Ucontrol |= 1; Ucontrol |= 0x00060006; SETTSI (p, Ucontrol); } return nr_bytes; } int device_io_write_buffer (device *me, const void *source, int space, address_word addr, unsigned nr_bytes, SIM_CPU *cpu, sim_cia cia) { SIM_DESC sd = CPU_STATE (cpu); #if 0 && WITH_SCACHE if (addr == MCCR_ADDR) { if ((*(const char *) source & MCCR_CP) != 0) scache_flush (sd); return nr_bytes; } #endif if (STATE_ENVIRONMENT (sd) != OPERATING_ENVIRONMENT) return nr_bytes; #ifdef HAVE_DV_SOCKSER if (addr == UART_OUTCHAR_ADDR) { int rc = dv_sockser_write (sd, *(char *) source); return rc == 1; } #endif if (addr == RXADATA) { sim_io_printf (sd, "%c", GETTSI (source)); } return nr_bytes; } void device_error () {}