From: Ben Gras Date: Mon, 8 Dec 2008 16:40:29 +0000 (+0000) Subject: - hz dynamic X-Git-Tag: v3.1.4~220 X-Git-Url: http://zhaoyanbai.com/repos/icons/static/man.3.ps?a=commitdiff_plain;h=f4d0d635fde6d91959720a9342f10e3f07ed4435;p=minix.git - hz dynamic - new map /dev/video implementation - ser_putc into library --- diff --git a/drivers/tty/console.c b/drivers/tty/console.c index f7abd263d..999ce9752 100644 --- a/drivers/tty/console.c +++ b/drivers/tty/console.c @@ -25,6 +25,7 @@ #include #include #include +#include #include "tty.h" /* Set this to 1 if you want console output duplicated on the first @@ -142,10 +143,6 @@ FORWARD _PROTOTYPE( void reenable_console, (void) ); FORWARD _PROTOTYPE( int ga_program, (struct sequence *seq) ); FORWARD _PROTOTYPE( int cons_ioctl, (tty_t *tp, int) ); -#if DUP_CONS_TO_SER -FORWARD _PROTOTYPE( void ser_putc, (char c) ); -#endif - #if 0 FORWARD _PROTOTYPE( void get_6845, (int reg, unsigned *val) ); #endif @@ -826,47 +823,6 @@ PUBLIC void do_video(message *m) case DEV_IOCTL_S: safe=1; switch(m->TTY_REQUEST) { - case MIOCMAP: - case MIOCUNMAP: { -#if 0 - int r, do_map; - struct mapreq mapreq; - - do_map= (m->REQUEST == MIOCMAP); /* else unmap */ - - /* Get request structure */ - if(safe) { - r = sys_safecopyfrom(m->IO_ENDPT, - (vir_bytes)m->ADDRESS, 0, (vir_bytes) &mapreq, - sizeof(mapreq), D); - } else { - r= sys_vircopy(m->IO_ENDPT, D, - (vir_bytes)m->ADDRESS, - SELF, D, (vir_bytes)&mapreq, sizeof(mapreq)); - } - if (r != OK) - { - tty_reply(TASK_REPLY, m->m_source, m->IO_ENDPT, - r); - return; - } - - /* In safe ioctl mode, the POSITION field contains - * the endpt number of the original requestor. - * IO_ENDPT is always FS. - */ - - r= sys_vm_map(safe ? m->POSITION : m->IO_ENDPT, - do_map, (phys_bytes)mapreq.base, mapreq.size, - mapreq.offset); -#else - r = ENOSYS; - printf("tty: %ld used old MIOCMAP interface\n", - safe ? m->POSITION : m->IO_ENDPT); -#endif - tty_reply(TASK_REPLY, m->m_source, m->IO_ENDPT, r); - return; - } case TIOCMAPMEM: case TIOCUNMAPMEM: { int r, do_map; @@ -876,17 +832,18 @@ PUBLIC void do_video(message *m) do_map= (m->REQUEST == TIOCMAPMEM); /* else unmap */ /* Get request structure */ - if(safe) { - r = sys_safecopyfrom(m->IO_ENDPT, - (vir_bytes)m->ADDRESS, 0, (vir_bytes) &mapreqvm, - sizeof(mapreqvm), D); - } else { - r= sys_vircopy(m->IO_ENDPT, D, - (vir_bytes)m->ADDRESS, - SELF, D, (vir_bytes)&mapreqvm,sizeof(mapreqvm)); + if(!safe) { + printf("tty: safecopy only\n"); + return; } + + r = sys_safecopyfrom(m->IO_ENDPT, + (vir_bytes)m->ADDRESS, 0, (vir_bytes) &mapreqvm, + sizeof(mapreqvm), D); + if (r != OK) { + printf("tty: sys_safecopyfrom failed\n"); tty_reply(TASK_REPLY, m->m_source, m->IO_ENDPT, r); return; @@ -898,7 +855,17 @@ PUBLIC void do_video(message *m) */ if(do_map) { + mapreqvm.vaddr_ret = vm_map_phys(m->POSITION, + (void *) mapreqvm.phys_offset, mapreqvm.size); + if((r = sys_safecopyto(m->IO_ENDPT, + (vir_bytes)m->ADDRESS, 0, + (vir_bytes) &mapreqvm, + sizeof(mapreqvm), D)) != OK) { + printf("tty: sys_safecopyto failed\n"); + } } else { + r = vm_unmap_phys(m->POSITION, + mapreqvm.vaddr, mapreqvm.size); } tty_reply(TASK_REPLY, m->m_source, m->IO_ENDPT, r); return; @@ -1267,10 +1234,12 @@ PUBLIC void toggle_scroll() PUBLIC void cons_stop() { /* Prepare for halt or reboot. */ + select_console(0); +#if 0 cons_org0(); softscroll = 1; - select_console(0); cons_table[0].c_attr = cons_table[0].c_blank = BLANK_COLOR; +#endif } /*===========================================================================* @@ -1417,26 +1386,3 @@ int try; return 0; } -#if DUP_CONS_TO_SER -#define COM1_BASE 0x3F8 -#define COM1_THR (COM1_BASE + 0) -#define LSR_THRE 0x20 -#define COM1_LSR (COM1_BASE + 5) - -PRIVATE void ser_putc(char c) -{ - unsigned long b; - int i; - int lsr, thr; - - lsr= COM1_LSR; - thr= COM1_THR; - for (i= 0; i<10000; i++) - { - sys_inb(lsr, &b); - if (b & LSR_THRE) - break; - } - sys_outb(thr, c); -} -#endif diff --git a/drivers/tty/keyboard.c b/drivers/tty/keyboard.c index 5ff44c89b..12a20d214 100644 --- a/drivers/tty/keyboard.c +++ b/drivers/tty/keyboard.c @@ -371,8 +371,8 @@ message *m; if (r != OK) break; - ticks= bell.kb_duration.tv_usec * HZ / 1000000; - ticks += bell.kb_duration.tv_sec * HZ; + ticks= bell.kb_duration.tv_usec * system_hz / 1000000; + ticks += bell.kb_duration.tv_sec * system_hz; if (!ticks) ticks++; beep_x(bell.kb_pitch, ticks); @@ -669,7 +669,7 @@ PRIVATE void kbd_send() */ if ((r= getuptime(&now)) != OK) panic("TTY","Keyboard couldn't get clock's uptime.", r); - tmrs_settimer(&tty_timers, &tmr_kbd_wd, now+HZ, kbd_watchdog, + tmrs_settimer(&tty_timers, &tmr_kbd_wd, now+system_hz, kbd_watchdog, NULL); if (tty_timers->tmr_exp_time != tty_next_timeout) { tty_next_timeout = tty_timers->tmr_exp_time; @@ -1269,7 +1269,7 @@ timer_t *tmrp; if ((r= getuptime(&now)) != OK) panic("TTY","Keyboard couldn't get clock's uptime.", r); - tmrs_settimer(&tty_timers, &tmr_kbd_wd, now+HZ, kbd_watchdog, + tmrs_settimer(&tty_timers, &tmr_kbd_wd, now+system_hz, kbd_watchdog, NULL); if (tty_timers->tmr_exp_time != tty_next_timeout) { tty_next_timeout = tty_timers->tmr_exp_time; diff --git a/drivers/tty/tty.c b/drivers/tty/tty.c index 15dac4ee1..53d31a7bf 100644 --- a/drivers/tty/tty.c +++ b/drivers/tty/tty.c @@ -138,6 +138,7 @@ PUBLIC int ccurrent; /* currently active console */ PUBLIC timer_t *tty_timers; /* queue of TTY timers */ PUBLIC clock_t tty_next_timeout; /* time that the next alarm is due */ PUBLIC struct machine machine; /* kernel environment variables */ +PUBLIC u32_t system_hz; extern PUBLIC unsigned info_location; extern PUBLIC phys_bytes vid_size; /* 0x2000 for color or 0x0800 for mono */ @@ -1537,6 +1538,8 @@ PRIVATE void tty_init() register tty_t *tp; int s; + system_hz = sys_hz(); + /* Initialize the terminal lines. */ for (tp = FIRST_TTY,s=0; tp < END_TTY; tp++,s++) { @@ -1565,6 +1568,7 @@ PRIVATE void tty_init() tp->tty_minor = s - (NR_CONS+NR_RS_LINES) + TTYPX_MINOR; } } + } /*===========================================================================* @@ -1621,7 +1625,7 @@ int enable; /* set timer if true, otherwise unset */ if ((s=getuptime(&now)) != OK) panic("TTY","Couldn't get uptime from clock.", s); if (enable) { - exp_time = now + tty_ptr->tty_termios.c_cc[VTIME] * (HZ/10); + exp_time = now + tty_ptr->tty_termios.c_cc[VTIME] * (system_hz/10); /* Set a new timer for enabling the TTY events flags. */ tmrs_settimer(&tty_timers, &tty_ptr->tty_tmr, exp_time, tty_timed_out, NULL); diff --git a/drivers/tty/tty.h b/drivers/tty/tty.h index 22c059d2c..d2add8448 100644 --- a/drivers/tty/tty.h +++ b/drivers/tty/tty.h @@ -107,6 +107,7 @@ typedef struct tty { extern tty_t tty_table[NR_CONS+NR_RS_LINES+NR_PTYS]; extern int ccurrent; /* currently visible console */ extern int irq_hook_id; /* hook id for keyboard irq */ +extern u32_t system_hz; /* system clock frequency */ extern unsigned long kbd_irq_set; extern unsigned long rs_irq_set;