kboot: implement stripped down termios
Implement a stripped down termios, obtained from various files in musl and HOST_ or host_ prepended to most things and a few unavoidable style tweaks. Only implements the bits of termios we need for the boot loader: put the terminal into raw mode, restore terminal settings and speed stuff. Sponsored by: Netflix
This commit is contained in:
parent
54e6e0deb4
commit
963037786f
@ -19,6 +19,7 @@ INSTALLFLAGS= -b
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# Architecture-specific loader code
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SRCS= crt1.c conf.c vers.c main.c host_syscalls.c hostcons.c hostdisk.c kbootfdt.c gfx_fb_stub.c
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SRCS+= termios.c
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CFLAGS.gfx_fb_stub.c += -I${SRCTOP}/contrib/pnglite -I${SRCTOP}/sys/teken
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1
stand/kboot/arch/amd64/termios_arch.h
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1
stand/kboot/arch/amd64/termios_arch.h
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@ -0,0 +1 @@
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#include "termios_gen.h"
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184
stand/kboot/arch/powerpc64/termios_arch.h
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184
stand/kboot/arch/powerpc64/termios_arch.h
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@ -0,0 +1,184 @@
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#undef HOST_NCCS
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#define HOST_NCCS 19
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struct host_termios {
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host_tcflag_t c_iflag;
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host_tcflag_t c_oflag;
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host_tcflag_t c_cflag;
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host_tcflag_t c_lflag;
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host_cc_t c_cc[HOST_NCCS];
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host_cc_t c_line;
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host_speed_t __c_ispeed;
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host_speed_t __c_ospeed;
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};
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#define HOST_VINTR 0
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#define HOST_VQUIT 1
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#define HOST_VERASE 2
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#define HOST_VKILL 3
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#define HOST_VEOF 4
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#define HOST_VMIN 5
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#define HOST_VEOL 6
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#define HOST_VTIME 7
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#define HOST_VEOL2 8
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#define HOST_VSWTC 9
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#define HOST_VWERASE 10
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#define HOST_VREPRINT 11
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#define HOST_VSUSP 12
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#define HOST_VSTART 13
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#define HOST_VSTOP 14
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#define HOST_VLNEXT 15
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#define HOST_VDISCARD 16
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#define HOST_IGNBRK 0000001
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#define HOST_BRKINT 0000002
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#define HOST_IGNPAR 0000004
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#define HOST_PARMRK 0000010
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#define HOST_INPCK 0000020
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#define HOST_ISTRIP 0000040
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#define HOST_INLCR 0000100
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#define HOST_IGNCR 0000200
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#define HOST_ICRNL 0000400
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#define HOST_IXON 0001000
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#define HOST_IXOFF 0002000
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#define HOST_IXANY 0004000
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#define HOST_IUCLC 0010000
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#define HOST_IMAXBEL 0020000
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#define HOST_IUTF8 0040000
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#define HOST_OPOST 0000001
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#define HOST_ONLCR 0000002
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#define HOST_OLCUC 0000004
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#define HOST_OCRNL 0000010
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#define HOST_ONOCR 0000020
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#define HOST_ONLRET 0000040
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#define HOST_OFILL 0000100
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#define HOST_OFDEL 0000200
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#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || defined(_XOPEN_SOURCE)
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#define HOST_NLDLY 0001400
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#define HOST_NL0 0000000
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#define HOST_NL1 0000400
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#define HOST_NL2 0001000
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#define HOST_NL3 0001400
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#define HOST_TABDLY 0006000
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#define HOST_TAB0 0000000
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#define HOST_TAB1 0002000
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#define HOST_TAB2 0004000
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#define HOST_TAB3 0006000
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#define HOST_CRDLY 0030000
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#define HOST_CR0 0000000
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#define HOST_CR1 0010000
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#define HOST_CR2 0020000
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#define HOST_CR3 0030000
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#define HOST_FFDLY 0040000
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#define HOST_FF0 0000000
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#define HOST_FF1 0040000
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#define HOST_BSDLY 0100000
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#define HOST_BS0 0000000
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#define HOST_BS1 0100000
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#endif
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#define HOST_VTDLY 0200000
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#define HOST_VT0 0000000
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#define HOST_VT1 0200000
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#define HOST_B0 0000000
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#define HOST_B50 0000001
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#define HOST_B75 0000002
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#define HOST_B110 0000003
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#define HOST_B134 0000004
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#define HOST_B150 0000005
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#define HOST_B200 0000006
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#define HOST_B300 0000007
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#define HOST_B600 0000010
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#define HOST_B1200 0000011
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#define HOST_B1800 0000012
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#define HOST_B2400 0000013
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#define HOST_B4800 0000014
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#define HOST_B9600 0000015
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#define HOST_B19200 0000016
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#define HOST_B38400 0000017
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#define HOST_B57600 00020
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#define HOST_B115200 00021
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#define HOST_B230400 00022
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#define HOST_B460800 00023
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#define HOST_B500000 00024
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#define HOST_B576000 00025
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#define HOST_B921600 00026
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#define HOST_B1000000 00027
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#define HOST_B1152000 00030
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#define HOST_B1500000 00031
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#define HOST_B2000000 00032
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#define HOST_B2500000 00033
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#define HOST_B3000000 00034
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#define HOST_B3500000 00035
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#define HOST_B4000000 00036
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#define HOST_CSIZE 00001400
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#define HOST_CS5 00000000
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#define HOST_CS6 00000400
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#define HOST_CS7 00001000
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#define HOST_CS8 00001400
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#define HOST_CSTOPB 00002000
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#define HOST_CREAD 00004000
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#define HOST_PARENB 00010000
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#define HOST_PARODD 00020000
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#define HOST_HUPCL 00040000
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#define HOST_CLOCAL 00100000
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#define HOST_ECHOE 0x00000002
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#define HOST_ECHOK 0x00000004
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#define HOST_ECHO 0x00000008
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#define HOST_ECHONL 0x00000010
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#define HOST_ISIG 0x00000080
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#define HOST_ICANON 0x00000100
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#define HOST_IEXTEN 0x00000400
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#define HOST_TOSTOP 0x00400000
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#define HOST_NOFLSH 0x80000000
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#define HOST_TCOOFF 0
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#define HOST_TCOON 1
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#define HOST_TCIOFF 2
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#define HOST_TCION 3
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#define HOST_TCIFLUSH 0
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#define HOST_TCOFLUSH 1
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#define HOST_TCIOFLUSH 2
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#define HOST_TCSANOW 0
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#define HOST_TCSADRAIN 1
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#define HOST_TCSAFLUSH 2
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#define HOST_EXTA 0000016
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#define HOST_EXTB 0000017
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#define HOST_CBAUD 00377
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#define HOST_CBAUDEX 0000020
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#define HOST_CIBAUD 077600000
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#define HOST_CMSPAR 010000000000
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#define HOST_CRTSCTS 020000000000
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#define HOST_XCASE 0x00004000
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#define HOST_ECHOCTL 0x00000040
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#define HOST_ECHOPRT 0x00000020
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#define HOST_ECHOKE 0x00000001
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#define HOST_FLUSHO 0x00800000
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#define HOST_PENDIN 0x20000000
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#define HOST_EXTPROC 0x10000000
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#define HOST_XTABS 00006000
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#define HOST_TIOCSER_TEMT 1
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#define _IOC(a,b,c,d) ( ((a)<<29) | ((b)<<8) | (c) | ((d)<<16) )
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#define _IOC_NONE 1U
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#define _IOC_WRITE 4U
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#define _IOC_READ 2U
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#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0)
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#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c))
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#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c))
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#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE,(a),(b),sizeof(c))
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#define HOST_TCGETS _IOR('t', 19, char[44])
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#define HOST_TCSETS _IOW('t', 20, char[44])
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#define HOST_TCSETSW _IOW('t', 21, char[44])
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#define HOST_TCSETSF _IOW('t', 22, char[44])
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66
stand/kboot/termios.c
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66
stand/kboot/termios.c
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/*
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* Copyright (c) 2005-2020 Rich Felker, et al.
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*
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* SPDX-License-Identifier: MIT
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*
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* Note: From the musl project, stripped down and repackaged with HOST_/host_ prepended
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*/
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#include <sys/types.h>
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#include "termios.h"
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#include "host_syscall.h"
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int
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host_tcgetattr(int fd, struct host_termios *tio)
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{
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if (host_ioctl(fd, HOST_TCGETS, (uintptr_t)tio))
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return -1;
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return 0;
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}
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int
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host_tcsetattr(int fd, int act, const struct host_termios *tio)
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{
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if (act < 0 || act > 2) {
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// errno = EINVAL; /* XXX ?? */
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return -1;
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}
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return host_ioctl(fd, HOST_TCSETS+act, (uintptr_t)tio);
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}
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void
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host_cfmakeraw(struct host_termios *t)
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{
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t->c_iflag &= ~(HOST_IGNBRK | HOST_BRKINT | HOST_PARMRK | HOST_ISTRIP |
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HOST_INLCR | HOST_IGNCR | HOST_ICRNL | HOST_IXON);
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t->c_oflag &= ~HOST_OPOST;
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t->c_lflag &= ~(HOST_ECHO | HOST_ECHONL | HOST_ICANON | HOST_ISIG |
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HOST_IEXTEN);
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t->c_cflag &= ~(HOST_CSIZE | HOST_PARENB);
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t->c_cflag |= HOST_CS8;
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t->c_cc[HOST_VMIN] = 1;
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t->c_cc[HOST_VTIME] = 0;
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}
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int host_cfsetospeed(struct host_termios *tio, host_speed_t speed)
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{
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if (speed & ~HOST_CBAUD) {
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// errno = EINVAL; /* XXX ? */
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return -1;
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}
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tio->c_cflag &= ~HOST_CBAUD;
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tio->c_cflag |= speed;
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return 0;
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}
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int host_cfsetispeed(struct host_termios *tio, host_speed_t speed)
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{
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return speed ? host_cfsetospeed(tio, speed) : 0;
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}
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int
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host_cfsetspeed(struct host_termios *tio, host_speed_t speed)
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{
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return host_cfsetospeed(tio, speed); /* weak alias in musl */
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}
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24
stand/kboot/termios.h
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24
stand/kboot/termios.h
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#ifndef _TERMIOS_H
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#define _TERMIOS_H
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typedef unsigned char host_cc_t;
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typedef unsigned int host_speed_t;
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typedef unsigned int host_tcflag_t;
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#define HOST_NCCS 32
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#include "termios_arch.h"
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#define HOST_TCSANOW 0
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#define HOST_TCSADRAIN 1
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#define HOST_TCSAFLUSH 2
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int host_tcgetattr (int, struct host_termios *);
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int host_tcsetattr (int, int, const struct host_termios *);
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void host_cfmakeraw(struct host_termios *);
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int host_cfsetispeed(struct host_termios *, host_speed_t);
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int host_cfsetospeed(struct host_termios *, host_speed_t);
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int host_cfsetspeed(struct host_termios *, host_speed_t);
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#endif
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stand/kboot/termios_gen.h
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169
stand/kboot/termios_gen.h
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struct host_termios {
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host_tcflag_t c_iflag;
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host_tcflag_t c_oflag;
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host_tcflag_t c_cflag;
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host_tcflag_t c_lflag;
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host_cc_t c_line;
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host_cc_t c_cc[HOST_NCCS];
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host_speed_t __c_ispeed;
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host_speed_t __c_ospeed;
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};
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#define HOST_VINTR 0
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#define HOST_VQUIT 1
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#define HOST_VERASE 2
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#define HOST_VKILL 3
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#define HOST_VEOF 4
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#define HOST_VTIME 5
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#define HOST_VMIN 6
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#define HOST_VSWTC 7
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#define HOST_VSTART 8
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#define HOST_VSTOP 9
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#define HOST_VSUSP 10
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#define HOST_VEOL 11
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#define HOST_VREPRINT 12
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#define HOST_VDISCARD 13
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#define HOST_VWERASE 14
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#define HOST_VLNEXT 15
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#define HOST_VEOL2 16
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#define HOST_IGNBRK 0000001
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#define HOST_BRKINT 0000002
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#define HOST_IGNPAR 0000004
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#define HOST_PARMRK 0000010
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#define HOST_INPCK 0000020
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#define HOST_ISTRIP 0000040
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#define HOST_INLCR 0000100
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#define HOST_IGNCR 0000200
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#define HOST_ICRNL 0000400
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#define HOST_IUCLC 0001000
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#define HOST_IXON 0002000
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#define HOST_IXANY 0004000
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#define HOST_IXOFF 0010000
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#define HOST_IMAXBEL 0020000
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#define HOST_IUTF8 0040000
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#define HOST_OPOST 0000001
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#define HOST_OLCUC 0000002
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#define HOST_ONLCR 0000004
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#define HOST_OCRNL 0000010
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#define HOST_ONOCR 0000020
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#define HOST_ONLRET 0000040
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#define HOST_OFILL 0000100
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#define HOST_OFDEL 0000200
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#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || defined(_XOPEN_SOURCE)
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#define HOST_NLDLY 0000400
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#define HOST_NL0 0000000
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#define HOST_NL1 0000400
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#define HOST_CRDLY 0003000
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#define HOST_CR0 0000000
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#define HOST_CR1 0001000
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#define HOST_CR2 0002000
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#define HOST_CR3 0003000
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#define HOST_TABDLY 0014000
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#define HOST_TAB0 0000000
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#define HOST_TAB1 0004000
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#define HOST_TAB2 0010000
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#define HOST_TAB3 0014000
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#define HOST_BSDLY 0020000
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#define HOST_BS0 0000000
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#define HOST_BS1 0020000
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#define HOST_FFDLY 0100000
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#define HOST_FF0 0000000
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#define HOST_FF1 0100000
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#endif
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#define HOST_VTDLY 0040000
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#define HOST_VT0 0000000
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#define HOST_VT1 0040000
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#define HOST_B0 0000000
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#define HOST_B50 0000001
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#define HOST_B75 0000002
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#define HOST_B110 0000003
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#define HOST_B134 0000004
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#define HOST_B150 0000005
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#define HOST_B200 0000006
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#define HOST_B300 0000007
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#define HOST_B600 0000010
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#define HOST_B1200 0000011
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#define HOST_B1800 0000012
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#define HOST_B2400 0000013
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#define HOST_B4800 0000014
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#define HOST_B9600 0000015
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#define HOST_B19200 0000016
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#define HOST_B38400 0000017
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#define HOST_B57600 0010001
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#define HOST_B115200 0010002
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#define HOST_B230400 0010003
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#define HOST_B460800 0010004
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#define HOST_B500000 0010005
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#define HOST_B576000 0010006
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#define HOST_B921600 0010007
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#define HOST_B1000000 0010010
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#define HOST_B1152000 0010011
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#define HOST_B1500000 0010012
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#define HOST_B2000000 0010013
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#define HOST_B2500000 0010014
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#define HOST_B3000000 0010015
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#define HOST_B3500000 0010016
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#define HOST_B4000000 0010017
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#define HOST_CSIZE 0000060
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#define HOST_CS5 0000000
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#define HOST_CS6 0000020
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#define HOST_CS7 0000040
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#define HOST_CS8 0000060
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#define HOST_CSTOPB 0000100
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#define HOST_CREAD 0000200
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#define HOST_PARENB 0000400
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#define HOST_PARODD 0001000
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#define HOST_HUPCL 0002000
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#define HOST_CLOCAL 0004000
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#define HOST_ISIG 0000001
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#define HOST_ICANON 0000002
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#define HOST_ECHO 0000010
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#define HOST_ECHOE 0000020
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#define HOST_ECHOK 0000040
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#define HOST_ECHONL 0000100
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#define HOST_NOFLSH 0000200
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#define HOST_TOSTOP 0000400
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#define HOST_IEXTEN 0100000
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#define HOST_TCOOFF 0
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#define HOST_TCOON 1
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#define HOST_TCIOFF 2
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#define HOST_TCION 3
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#define HOST_TCIFLUSH 0
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#define HOST_TCOFLUSH 1
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#define HOST_TCIOFLUSH 2
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#define HOST_TCSANOW 0
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#define HOST_TCSADRAIN 1
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#define HOST_TCSAFLUSH 2
|
||||
|
||||
#define HOST_EXTA 0000016
|
||||
#define HOST_EXTB 0000017
|
||||
#define HOST_CBAUD 0010017
|
||||
#define HOST_CBAUDEX 0010000
|
||||
#define HOST_CIBAUD 002003600000
|
||||
#define HOST_CMSPAR 010000000000
|
||||
#define HOST_CRTSCTS 020000000000
|
||||
|
||||
#define HOST_XCASE 0000004
|
||||
#define HOST_ECHOCTL 0001000
|
||||
#define HOST_ECHOPRT 0002000
|
||||
#define HOST_ECHOKE 0004000
|
||||
#define HOST_FLUSHO 0010000
|
||||
#define HOST_PENDIN 0040000
|
||||
#define HOST_EXTPROC 0200000
|
||||
|
||||
#define HOST_XTABS 0014000
|
||||
|
||||
#define HOST_TCGETS 0x5401
|
||||
#define HOST_TCSETS 0x5402
|
||||
#define HOST_TCSETSW 0x5403
|
||||
#define HOST_TCSETSF 0x5404
|
Loading…
Reference in New Issue
Block a user