diff options
author | tg <tg@FreeBSD.org> | 2001-10-12 10:31:00 +0000 |
---|---|---|
committer | tg <tg@FreeBSD.org> | 2001-10-12 10:31:00 +0000 |
commit | 0689cbd99f4060b6d9d8aebdc5c871c2a60b2a0b (patch) | |
tree | 011eb37243470f589d4c2e80340559a4c0cf2168 /usr.bin | |
parent | 1ad20a3541544538c40f816974583a2dbec7b77b (diff) | |
download | FreeBSD-src-0689cbd99f4060b6d9d8aebdc5c871c2a60b2a0b.zip FreeBSD-src-0689cbd99f4060b6d9d8aebdc5c871c2a60b2a0b.tar.gz |
Minor cleanup, no functional changes:
- Add/change some comments,
- remove superfluous `if (1||x)' and re-indent,
- fix initialization of floppyinfo[] to get rid of warning.
Diffstat (limited to 'usr.bin')
-rw-r--r-- | usr.bin/doscmd/bios.c | 107 | ||||
-rw-r--r-- | usr.bin/doscmd/int.c | 16 | ||||
-rw-r--r-- | usr.bin/doscmd/int10.c | 56 | ||||
-rw-r--r-- | usr.bin/doscmd/int13.c | 21 | ||||
-rw-r--r-- | usr.bin/doscmd/timer.c | 4 |
5 files changed, 108 insertions, 96 deletions
diff --git a/usr.bin/doscmd/bios.c b/usr.bin/doscmd/bios.c index 5feb086..2d977e9 100644 --- a/usr.bin/doscmd/bios.c +++ b/usr.bin/doscmd/bios.c @@ -116,28 +116,26 @@ int15(regcontext_t *REGS) R_AH = 0x86; R_FLAGS |= PSL_C; /* We don't support a cassette */ break; - - case 0x04: /* Set ABIOS table */ + case 0x04: /* Set ABIOS table */ R_FLAGS |= PSL_C; /* We don't support it */ break; - - case 0x4f: - /* - * XXX - Check scan code in GET8L(sc->sc_eax). - */ + case 0x4f: /* Keyboard intercept */ + debug(D_TRAPS | 0x15, "BIOS: Keyboard intercept\n"); + /* Don't translate scan code. */ break; case 0x88: get_raw_extmemory_info(REGS); break; - case 0xc0: /* get configuration */ - debug (D_TRAPS|0x15, "Get configuration\n", R_DX); + case 0xc0: /* Get configuration */ + debug(D_TRAPS | 0x15, "BIOS: Get configuration\n"); PUTVEC(R_ES, R_BX, rom_config); R_AH = 0; break; - case 0xc1: /* get extended BIOS data area */ + case 0xc1: /* Get extended BIOS data area */ R_FLAGS |= PSL_C; break; - case 0xc2: /* Pointing device */ + case 0xc2: /* Pointing device */ + debug(D_TRAPS | 0x15, "BIOS: Pointing device?\n"); R_FLAGS |= PSL_C; R_AH = 5; /* No pointer */ break; @@ -158,55 +156,46 @@ bios_init(void) struct tm tm; u_long vec; - if (1 || !raw_kbd) { - strcpy((char *)BIOS_copyright, - "Copyright (C) 1993 Krystal Technologies/BSDI"); - - *(u_short *)BIOS_reset = 0xffcd; - *(u_short *)BIOS_nmi = 0xffcd; - *(u_short *)BIOS_boot = 0xffcd; - *(u_short *)BIOS_comm_io = 0xffcd; - *(u_short *)BIOS_keyboard_io = 0xffcd; - *(u_short *)BIOS_keyboard_isr = 0xffcd; - *(u_short *)BIOS_fdisk_io = 0xffcd; - *(u_short *)BIOS_fdisk_isr = 0xffcd; - *(u_short *)BIOS_printer_io = 0xffcd; - *(u_short *)BIOS_video_io = 0xffcd; - *(u_short *)BIOS_cassette_io = 0xffcd; - *(u_short *)BIOS_time_of_day = 0xffcd; - *(u_short *)BIOS_timer_int = 0xffcd; - *(u_short *)BIOS_dummy_iret = 0xffcd; - *(u_short *)BIOS_print_screen = 0xffcd; - *(u_short *)BIOS_hard_reset = 0xffcd; - *(u_short *)BIOS_mem_size = 0xffcd; - *(u_short *)BIOS_equipment = 0xffcd; - *(u_short *)BIOS_vector = 0xffcd; - *(u_char *)0xffff2 = 0xcf; /* IRET */ - - /* - *memcpy((u_char *)BIOS_video_parms, video_parms, sizeof(video_parms)); - */ - memcpy((u_char *)BIOS_disk_parms, disk_params, sizeof(disk_params)); - memcpy((u_char *)BIOS_comm_table, comm_table, sizeof(comm_table)); - - *(u_short *)BIOS_video_font = 0xffcd; + strcpy((char *)BIOS_copyright, + "Copyright (C) 1993 Krystal Technologies/BSDI"); + + *(u_short *)BIOS_reset = 0xffcd; + *(u_short *)BIOS_nmi = 0xffcd; + *(u_short *)BIOS_boot = 0xffcd; + *(u_short *)BIOS_comm_io = 0xffcd; + *(u_short *)BIOS_keyboard_io = 0xffcd; + *(u_short *)BIOS_keyboard_isr = 0xffcd; + *(u_short *)BIOS_fdisk_io = 0xffcd; + *(u_short *)BIOS_fdisk_isr = 0xffcd; + *(u_short *)BIOS_printer_io = 0xffcd; + *(u_short *)BIOS_video_io = 0xffcd; + *(u_short *)BIOS_cassette_io = 0xffcd; + *(u_short *)BIOS_time_of_day = 0xffcd; + *(u_short *)BIOS_timer_int = 0xffcd; + *(u_short *)BIOS_dummy_iret = 0xffcd; + *(u_short *)BIOS_print_screen = 0xffcd; + *(u_short *)BIOS_hard_reset = 0xffcd; + *(u_short *)BIOS_mem_size = 0xffcd; + *(u_short *)BIOS_equipment = 0xffcd; + *(u_short *)BIOS_vector = 0xffcd; + *(u_char *)0xffff2 = 0xcf; /* IRET */ + + memcpy((u_char *)BIOS_disk_parms, disk_params, sizeof(disk_params)); + memcpy((u_char *)BIOS_comm_table, comm_table, sizeof(comm_table)); + + *(u_short *)BIOS_video_font = 0xffcd; - jtab = (u_char *)BIOS_date_stamp; - *jtab++ = '1'; - *jtab++ = '0'; - *jtab++ = '/'; - *jtab++ = '3'; - *jtab++ = '1'; - *jtab++ = '/'; - *jtab++ = '9'; - *jtab++ = '3'; - -#if 0 - *(u_char *)BIOS_hardware_id = 0xfe; /* Identify as a PC/XT */ - *(u_char *)BIOS_hardware_id = 0xff; /* Identify as a PC */ -#endif - *(u_char *)BIOS_hardware_id = 0xfc; /* Identify as a PC/AT */ - } + jtab = (u_char *)BIOS_date_stamp; + *jtab++ = '1'; + *jtab++ = '0'; + *jtab++ = '/'; + *jtab++ = '3'; + *jtab++ = '1'; + *jtab++ = '/'; + *jtab++ = '9'; + *jtab++ = '3'; + + *(u_char *)BIOS_hardware_id = 0xfc; /* Identify as a PC/AT */ /* * Interrupt revectors F000:0000 - F000:03ff diff --git a/usr.bin/doscmd/int.c b/usr.bin/doscmd/int.c index 8638ca8..b13ff46 100644 --- a/usr.bin/doscmd/int.c +++ b/usr.bin/doscmd/int.c @@ -19,7 +19,7 @@ * * Related functions: * int isinhardint(int irql) - * void set_eoir(int irql, void(*eoir)(void*), void* arg); + * void set_eoir(int irql, void (*eoir)(void *), void *arg); * */ @@ -29,8 +29,8 @@ struct IRQ { int pending; int busy; int within; - void (*eoir) (void* arg); - void* arg; + void (*eoir)(void *arg); + void *arg; }; static unsigned char IM; @@ -40,7 +40,7 @@ static struct IRQ Irqs[8]; #define int_allowed(n) ((IM & 1 << (n)) == 0 && Irql > (n)) void -set_eoir(int irql, void(*eoir)(void*), void* arg) +set_eoir(int irql, void (*eoir)(void *), void *arg) { Irqs [irql].eoir = eoir; Irqs [irql].arg = arg; @@ -63,7 +63,7 @@ set_vip(void) return; } - for (irql = 0; irql < 8; irql ++) + for (irql = 0; irql < 8; irql++) if (int_allowed(irql) && (Irqs[irql].within || Irqs[irql].pending)) { R_EFLAGS |= PSL_VIP; return; @@ -79,14 +79,14 @@ resume_interrupt(void) int irql; if (R_EFLAGS & PSL_VIF) { - for (irql = 0; irql < 8; irql ++) + for (irql = 0; irql < 8; irql++) if (Irqs[irql].within && int_allowed(irql)) { Irqs[irql].within = 0; if (Irqs[irql].eoir) Irqs[irql].eoir(Irqs[irql].arg); } - for (irql = 0; irql < 8; irql ++) + for (irql = 0; irql < 8; irql++) if (Irqs[irql].pending && int_allowed(irql)) { Irqs[irql].pending = 0; hardint(irql); @@ -135,7 +135,7 @@ hardint(int irql) if ((vec >> 16) == 0xf000 || *(u_char *)VECPTR(vec) == 0xcf) return; - if (!int_allowed (irql)) { + if (!int_allowed(irql)) { Irqs[irql].pending = 1; return; } diff --git a/usr.bin/doscmd/int10.c b/usr.bin/doscmd/int10.c index b8d7906..183721a 100644 --- a/usr.bin/doscmd/int10.c +++ b/usr.bin/doscmd/int10.c @@ -256,53 +256,68 @@ int10(regcontext_t *REGS) break; case 0x11: switch (R_AL) { - case 0x00: + case 0x00: /* Text-mode chargen: load user-specified + patterns */ debug(D_VIDEO, "Tried to load user defined font.\n"); break; - case 0x01: + case 0x01: /* Text-mode chargen: load ROM monochrome + patterns */ debug(D_VIDEO, "Tried to load 8x14 font.\n"); break; - case 0x02: + case 0x02: /* Text-mode chargen: load ROM 8x8 double-dot + patterns */ debug(D_VIDEO, "Tried to load 8x8 font.\n"); break; - case 0x03: + case 0x03: /* Text-mode chargen: set block specifier */ debug(D_VIDEO, "Tried to activate character set\n"); break; - case 0x04: + case 0x04: /* Text-mode chargen: load ROM 8x16 character + set */ debug(D_VIDEO, "Tried to load 8x16 font.\n"); break; - case 0x10: + case 0x10: /* Text-mode chargen: load and activate + user-specified patterns */ debug(D_VIDEO, "Tried to load and activate user defined font\n"); break; - case 0x11: + case 0x11: /* Text-mode chargen: load and activate ROM + monochrome patterns */ debug(D_VIDEO, "Tried to load and activate 8x14 font.\n"); break; - case 0x12: + case 0x12: /* Text-mode chargen: load and activate ROM + 8x8 double-dot patterns */ debug(D_VIDEO, "Tried to load and activate 8x8 font.\n"); break; - case 0x14: + case 0x14: /* Text-mode chargen: load and activate ROM + 8x16 character set */ debug(D_VIDEO, "Tried to load and activate 8x16 font.\n"); break; - case 0x20: + case 0x20: /* Graph-mode chargen: set user 8x8 graphics + characters */ debug(D_VIDEO, "Load second half of 8x8 char set\n"); break; - case 0x21: + case 0x21: /* Graph-mode chargen: set user graphics + characters */ debug(D_VIDEO, "Install user defined char set\n"); break; - case 0x22: + case 0x22: /* Graph-mode chargen: set ROM 8x14 graphics + chars */ debug(D_VIDEO, "Install 8x14 char set\n"); break; - case 0x23: + case 0x23: /* Graph-mode chargen: set ROM 8x8 double-dot + chars */ debug(D_VIDEO, "Install 8x8 char set\n"); break; - case 0x24: + case 0x24: /* Graph-mode chargen: load 8x16 graphics + chars */ debug(D_VIDEO, "Install 8x16 char set\n"); break; - case 0x30: + case 0x30: /* Get font information */ + debug(D_VIDEO, + "INT 10 11:30 Request font address %02x\n", R_BH); R_CX = CharHeight; R_DL = DpyRows; switch(R_BH) { @@ -320,9 +335,6 @@ int10(regcontext_t *REGS) case 7: R_ES = 0; R_BP = 0; - debug(D_VIDEO, - "INT 10 11:30 Request font address %02x", - R_BH); break; default: unknown_int4(0x10, 0x11, 0x30, R_BH, REGS); @@ -334,7 +346,7 @@ int10(regcontext_t *REGS) break; } break; - case 0x12: /* Load multiple DAC color register */ + case 0x12: /* Alternate function select */ if (!xmode) goto unsupported; switch (R_BL) { @@ -406,9 +418,13 @@ int10(regcontext_t *REGS) } break; case 0x1c: /* Save/Restore video state */ - debug(D_VIDEO, "Save/restore video state\n"); + debug(D_VIDEO, "VGA: Save/restore video state\n"); R_AL = 0; break; + case 0x30: /* Locate 3270PC configuration table */ + R_CX = 0; + R_DX = 0; + break; case 0x4f: /* get VESA information */ R_AH = 0x01; /* no VESA support */ break; diff --git a/usr.bin/doscmd/int13.c b/usr.bin/doscmd/int13.c index 37f7591..e10bf51 100644 --- a/usr.bin/doscmd/int13.c +++ b/usr.bin/doscmd/int13.c @@ -114,13 +114,20 @@ static u_long htable = 0xF1020; /* Hard disk table */ static struct diskinfo diskinfo[26]; static struct diskinfo floppyinfo[] = { - { 0, 9, 40, 1, 512, -1, 0, 0, }, /* Probably not correct */ - { 1, 9, 40, 2, 512, -1, 0, 0, }, - { 2, 9, 80, 2, 512, -1, 0, 0, }, - { 3, 15, 80, 2, 512, -1, 0, 0, }, - { 4, 18, 80, 2, 512, -1, 0, 0, }, - { 6, 36, 80, 2, 512, -1, 0, 0, }, - { -1, 0, 0, 0, 0, 0, 0, 0, }, + {0, 9, 40, 1, 512, -1, NULL, 0, NULL, 0, + {NULL, NULL, NULL, NULL}, 0, 0, 0, 0}, /* Probably not correct */ + {1, 9, 40, 2, 512, -1, NULL, 0, NULL, 0, + {NULL, NULL, NULL, NULL}, 0, 0, 0, 0}, + {2, 9, 80, 2, 512, -1, NULL, 0, NULL, 0, + {NULL, NULL, NULL, NULL}, 0, 0, 0, 0}, + {3, 15, 80, 2, 512, -1, NULL, 0, NULL, 0, + {NULL, NULL, NULL, NULL}, 0, 0, 0, 0}, + {4, 18, 80, 2, 512, -1, NULL, 0, NULL, 0, + {NULL, NULL, NULL, NULL}, 0, 0, 0, 0}, + {6, 36, 80, 2, 512, -1, NULL, 0, NULL, 0, + {NULL, NULL, NULL, NULL}, 0, 0, 0, 0}, + {-1, 0, 0, 0, 0, 0, NULL, 0, NULL, 0, + {NULL, NULL, NULL, NULL}, 0, 0, 0, 0} }; static struct diskinfo * diff --git a/usr.bin/doscmd/timer.c b/usr.bin/doscmd/timer.c index 90e69de..29a6915 100644 --- a/usr.bin/doscmd/timer.c +++ b/usr.bin/doscmd/timer.c @@ -60,9 +60,9 @@ timer_init(void) (((tm.tm_hour * 60 + tm.tm_min) * 60) + tm.tm_sec) * 182 / 10; itv.it_interval.tv_sec = 0; - itv.it_interval.tv_usec = 54925; /* 1193182/65536 times per second */ + itv.it_interval.tv_usec = 54925; /* 1193182/65536 times per second */ itv.it_value.tv_sec = 0; - itv.it_value.tv_usec = 54925; /* 1193182/65536 times per second */ + itv.it_value.tv_usec = 54925; /* 1193182/65536 times per second */ if (! timer_disable) setitimer(ITIMER_REAL, &itv, 0); } |