diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/ppc/boot/common/misc-common.c | 555 |
1 files changed, 0 insertions, 555 deletions
diff --git a/arch/ppc/boot/common/misc-common.c b/arch/ppc/boot/common/misc-common.c deleted file mode 100644 index 9589969cec72..000000000000 --- a/arch/ppc/boot/common/misc-common.c +++ /dev/null @@ -1,555 +0,0 @@ -/* - * Misc. bootloader code (almost) all platforms can use - * - * Author: Johnnie Peters <jpeters@mvista.com> - * Editor: Tom Rini <trini@mvista.com> - * - * Derived from arch/ppc/boot/prep/misc.c - * - * 2000-2001 (c) MontaVista, Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#include <stdarg.h> /* for va_ bits */ -#include <linux/string.h> -#include <linux/zlib.h> -#include "nonstdio.h" - -/* If we're on a PReP, assume we have a keyboard controller - * Also note, if we're not PReP, we assume you are a serial - * console - Tom */ -#if defined(CONFIG_PPC_PREP) && defined(CONFIG_VGA_CONSOLE) -extern void cursor(int x, int y); -extern void scroll(void); -extern char *vidmem; -extern int lines, cols; -extern int orig_x, orig_y; -extern int keyb_present; -extern int CRT_tstc(void); -extern int CRT_getc(void); -#else -int cursor(int x, int y) {return 0;} -void scroll(void) {} -char vidmem[1]; -#define lines 0 -#define cols 0 -int orig_x = 0; -int orig_y = 0; -#define keyb_present 0 -int CRT_tstc(void) {return 0;} -int CRT_getc(void) {return 0;} -#endif - -extern char *avail_ram; -extern char *end_avail; -extern char _end[]; - -void puts(const char *); -void putc(const char c); -void puthex(unsigned long val); -void gunzip(void *, int, unsigned char *, int *); -static int _cvt(unsigned long val, char *buf, long radix, char *digits); - -void _vprintk(void(*putc)(const char), const char *fmt0, va_list ap); -unsigned char *ISA_io = NULL; - -#if defined(CONFIG_SERIAL_CPM_CONSOLE) || defined(CONFIG_SERIAL_8250_CONSOLE) \ - || defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \ - || defined(CONFIG_SERIAL_MPSC_CONSOLE) \ - || defined(CONFIG_SERIAL_UARTLITE_CONSOLE) -extern unsigned long com_port; - -extern int serial_tstc(unsigned long com_port); -extern unsigned char serial_getc(unsigned long com_port); -extern void serial_putc(unsigned long com_port, unsigned char c); -#endif - -void pause(void) -{ - puts("pause\n"); -} - -void exit(void) -{ - puts("exit\n"); - while(1); -} - -int tstc(void) -{ -#if defined(CONFIG_SERIAL_CPM_CONSOLE) || defined(CONFIG_SERIAL_8250_CONSOLE) \ - || defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \ - || defined(CONFIG_SERIAL_MPSC_CONSOLE) \ - || defined(CONFIG_SERIAL_UARTLITE_CONSOLE) - if(keyb_present) - return (CRT_tstc() || serial_tstc(com_port)); - else - return (serial_tstc(com_port)); -#else - return CRT_tstc(); -#endif -} - -int getc(void) -{ - while (1) { -#if defined(CONFIG_SERIAL_CPM_CONSOLE) || defined(CONFIG_SERIAL_8250_CONSOLE) \ - || defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \ - || defined(CONFIG_SERIAL_MPSC_CONSOLE) \ - || defined(CONFIG_SERIAL_UARTLITE_CONSOLE) - if (serial_tstc(com_port)) - return (serial_getc(com_port)); -#endif /* serial console */ - if (keyb_present) - if(CRT_tstc()) - return (CRT_getc()); - } -} - -void -putc(const char c) -{ - int x,y; - -#if defined(CONFIG_SERIAL_CPM_CONSOLE) || defined(CONFIG_SERIAL_8250_CONSOLE) \ - || defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \ - || defined(CONFIG_SERIAL_MPSC_CONSOLE) \ - || defined(CONFIG_SERIAL_UARTLITE_CONSOLE) - serial_putc(com_port, c); - if ( c == '\n' ) - serial_putc(com_port, '\r'); -#endif /* serial console */ - - x = orig_x; - y = orig_y; - - if ( c == '\n' ) { - x = 0; - if ( ++y >= lines ) { - scroll(); - y--; - } - } else if (c == '\r') { - x = 0; - } else if (c == '\b') { - if (x > 0) { - x--; - } - } else { - vidmem [ ( x + cols * y ) * 2 ] = c; - if ( ++x >= cols ) { - x = 0; - if ( ++y >= lines ) { - scroll(); - y--; - } - } - } - - cursor(x, y); - - orig_x = x; - orig_y = y; -} - -void puts(const char *s) -{ - int x,y; - char c; - - x = orig_x; - y = orig_y; - - while ( ( c = *s++ ) != '\0' ) { -#if defined(CONFIG_SERIAL_CPM_CONSOLE) || defined(CONFIG_SERIAL_8250_CONSOLE) \ - || defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \ - || defined(CONFIG_SERIAL_MPSC_CONSOLE) \ - || defined(CONFIG_SERIAL_UARTLITE_CONSOLE) - serial_putc(com_port, c); - if ( c == '\n' ) serial_putc(com_port, '\r'); -#endif /* serial console */ - - if ( c == '\n' ) { - x = 0; - if ( ++y >= lines ) { - scroll(); - y--; - } - } else if (c == '\b') { - if (x > 0) { - x--; - } - } else { - vidmem [ ( x + cols * y ) * 2 ] = c; - if ( ++x >= cols ) { - x = 0; - if ( ++y >= lines ) { - scroll(); - y--; - } - } - } - } - - cursor(x, y); - - orig_x = x; - orig_y = y; -} - -void error(char *x) -{ - puts("\n\n"); - puts(x); - puts("\n\n -- System halted"); - - while(1); /* Halt */ -} - -static void *zalloc(unsigned size) -{ - void *p = avail_ram; - - size = (size + 7) & -8; - avail_ram += size; - if (avail_ram > end_avail) { - puts("oops... out of memory\n"); - pause(); - } - return p; -} - -#define HEAD_CRC 2 -#define EXTRA_FIELD 4 -#define ORIG_NAME 8 -#define COMMENT 0x10 -#define RESERVED 0xe0 - -void gunzip(void *dst, int dstlen, unsigned char *src, int *lenp) -{ - z_stream s; - int r, i, flags; - - /* skip header */ - i = 10; - flags = src[3]; - if (src[2] != Z_DEFLATED || (flags & RESERVED) != 0) { - puts("bad gzipped data\n"); - exit(); - } - if ((flags & EXTRA_FIELD) != 0) - i = 12 + src[10] + (src[11] << 8); - if ((flags & ORIG_NAME) != 0) - while (src[i++] != 0) - ; - if ((flags & COMMENT) != 0) - while (src[i++] != 0) - ; - if ((flags & HEAD_CRC) != 0) - i += 2; - if (i >= *lenp) { - puts("gunzip: ran out of data in header\n"); - exit(); - } - - /* Initialize ourself. */ - s.workspace = zalloc(zlib_inflate_workspacesize()); - r = zlib_inflateInit2(&s, -MAX_WBITS); - if (r != Z_OK) { - puts("zlib_inflateInit2 returned "); puthex(r); puts("\n"); - exit(); - } - s.next_in = src + i; - s.avail_in = *lenp - i; - s.next_out = dst; - s.avail_out = dstlen; - r = zlib_inflate(&s, Z_FINISH); - if (r != Z_OK && r != Z_STREAM_END) { - puts("inflate returned "); puthex(r); puts("\n"); - exit(); - } - *lenp = s.next_out - (unsigned char *) dst; - zlib_inflateEnd(&s); -} - -void -puthex(unsigned long val) -{ - - unsigned char buf[10]; - int i; - for (i = 7; i >= 0; i--) - { - buf[i] = "0123456789ABCDEF"[val & 0x0F]; - val >>= 4; - } - buf[8] = '\0'; - puts(buf); -} - -#define FALSE 0 -#define TRUE 1 - -void -_printk(char const *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - _vprintk(putc, fmt, ap); - va_end(ap); - return; -} - -#define is_digit(c) ((c >= '0') && (c <= '9')) - -void -_vprintk(void(*putc)(const char), const char *fmt0, va_list ap) -{ - char c, sign, *cp = 0; - int left_prec, right_prec, zero_fill, length = 0, pad, pad_on_right; - char buf[32]; - long val; - while ((c = *fmt0++)) - { - if (c == '%') - { - c = *fmt0++; - left_prec = right_prec = pad_on_right = 0; - if (c == '-') - { - c = *fmt0++; - pad_on_right++; - } - if (c == '0') - { - zero_fill = TRUE; - c = *fmt0++; - } else - { - zero_fill = FALSE; - } - while (is_digit(c)) - { - left_prec = (left_prec * 10) + (c - '0'); - c = *fmt0++; - } - if (c == '.') - { - c = *fmt0++; - zero_fill++; - while (is_digit(c)) - { - right_prec = (right_prec * 10) + (c - '0'); - c = *fmt0++; - } - } else - { - right_prec = left_prec; - } - sign = '\0'; - switch (c) - { - case 'd': - case 'x': - case 'X': - val = va_arg(ap, long); - switch (c) - { - case 'd': - if (val < 0) - { - sign = '-'; - val = -val; - } - length = _cvt(val, buf, 10, "0123456789"); - break; - case 'x': - length = _cvt(val, buf, 16, "0123456789abcdef"); - break; - case 'X': - length = _cvt(val, buf, 16, "0123456789ABCDEF"); - break; - } - cp = buf; - break; - case 's': - cp = va_arg(ap, char *); - length = strlen(cp); - break; - case 'c': - c = va_arg(ap, long /*char*/); - (*putc)(c); - continue; - default: - (*putc)('?'); - } - pad = left_prec - length; - if (sign != '\0') - { - pad--; - } - if (zero_fill) - { - c = '0'; - if (sign != '\0') - { - (*putc)(sign); - sign = '\0'; - } - } else - { - c = ' '; - } - if (!pad_on_right) - { - while (pad-- > 0) - { - (*putc)(c); - } - } - if (sign != '\0') - { - (*putc)(sign); - } - while (length-- > 0) - { - (*putc)(c = *cp++); - if (c == '\n') - { - (*putc)('\r'); - } - } - if (pad_on_right) - { - while (pad-- > 0) - { - (*putc)(c); - } - } - } else - { - (*putc)(c); - if (c == '\n') - { - (*putc)('\r'); - } - } - } -} - -int -_cvt(unsigned long val, char *buf, long radix, char *digits) -{ - char temp[80]; - char *cp = temp; - int length = 0; - if (val == 0) - { /* Special case */ - *cp++ = '0'; - } else - while (val) - { - *cp++ = digits[val % radix]; - val /= radix; - } - while (cp != temp) - { - *buf++ = *--cp; - length++; - } - *buf = '\0'; - return (length); -} - -void -_dump_buf_with_offset(unsigned char *p, int s, unsigned char *base) -{ - int i, c; - if ((unsigned int)s > (unsigned int)p) - { - s = (unsigned int)s - (unsigned int)p; - } - while (s > 0) - { - if (base) - { - _printk("%06X: ", (int)p - (int)base); - } else - { - _printk("%06X: ", p); - } - for (i = 0; i < 16; i++) - { - if (i < s) - { - _printk("%02X", p[i] & 0xFF); - } else - { - _printk(" "); - } - if ((i % 2) == 1) _printk(" "); - if ((i % 8) == 7) _printk(" "); - } - _printk(" |"); - for (i = 0; i < 16; i++) - { - if (i < s) - { - c = p[i] & 0xFF; - if ((c < 0x20) || (c >= 0x7F)) c = '.'; - } else - { - c = ' '; - } - _printk("%c", c); - } - _printk("|\n"); - s -= 16; - p += 16; - } -} - -void -_dump_buf(unsigned char *p, int s) -{ - _printk("\n"); - _dump_buf_with_offset(p, s, 0); -} - -/* Very simple inb/outb routines. We declare ISA_io to be 0 above, and - * then modify it on platforms which need to. We do it like this - * because on some platforms we give inb/outb an exact location, and - * on others it's an offset from a given location. -- Tom - */ - -void ISA_init(unsigned long base) -{ - ISA_io = (unsigned char *)base; -} - -void -outb(int port, unsigned char val) -{ - /* Ensure I/O operations complete */ - __asm__ volatile("eieio"); - ISA_io[port] = val; -} - -unsigned char -inb(int port) -{ - /* Ensure I/O operations complete */ - __asm__ volatile("eieio"); - return (ISA_io[port]); -} - -/* - * Local variables: - * c-indent-level: 8 - * c-basic-offset: 8 - * tab-width: 8 - * End: - */ |