core/include/core.h

   1 #ifndef CORE_H
   2 #define CORE_H
   3
   4 #include <klibc/compiler.h>
   5 #include <stddef.h>
   6 #include <stdlib.h>
   7 #include <stdbool.h>
   8 #include <inttypes.h>
   9 #include <stdio.h>
  10 #include <dprintf.h>
  11 #include <com32.h>
  12 #include <errno.h>
  13 #include <syslinux/pmapi.h>
  14 #include <syslinux/sysappend.h>
  15 #include <kaboom.h>
  16 #include <timer.h>
  17
  18 extern char core_xfer_buf[65536];
  19 extern char core_cache_buf[65536];
  20 extern char trackbuf[];
  21 extern char CurrentDirName[];
  22 extern char SubvolName[];
  23 extern char ConfigName[];
  24 extern char config_cwd[];
  25 extern char cmd_line[];
  26 extern char ConfigFile[];
  27 extern char syslinux_banner[];
  28 extern char copyright_str[];
  29 extern unsigned int __bcopyxx_len;
  30
  31 /*
  32  * Mark symbols that are only used by BIOS as __weak until we can move
  33  * all references out of the generic (EFI + BIOS) code and into
  34  * BIOS-specific code.
  35  */
  36 extern __weak uint16_t BIOSName;
  37 extern __weak char KernelName[];
  38 extern __weak char StackBuf[];
  39
  40 extern uint8_t KbdMap[256];
  41
  42 extern const uint16_t IPAppends[];
  43 extern size_t numIPAppends;
  44
  45 extern uint16_t SerialPort;
  46 extern uint16_t BaudDivisor;
  47 extern uint8_t FlowOutput;
  48 extern uint8_t FlowInput;
  49 extern uint8_t FlowIgnore;
  50
  51 extern uint8_t ScrollAttribute;
  52 extern uint16_t DisplayCon;
  53
  54 /* diskstart.inc isolinux.asm*/
  55 extern void getlinsec(void);
  56
  57 /* pm.inc */
  58 void core_pm_null_hook(void);
  59 extern void (*core_pm_hook)(void);
  60
  61 /* getc.inc */
  62 extern void core_open(void);
  63
  64 /* hello.c */
  65 extern void myputs(const char*);
  66
  67 /* idle.c */
  68 extern int (*idle_hook_func)(void);
  69 extern void __idle(void);
  70 extern void reset_idle(void);
  71
  72 /* mem/malloc.c, mem/free.c, mem/init.c */
  73 extern void *lmalloc(size_t);
  74 extern void *pmapi_lmalloc(size_t);
  75 extern void *zalloc(size_t);
  76 extern void free(void *);
  77 extern void mem_init(void);
  78
  79 /* sysappend.c */
  80 extern void print_sysappend(void);
  81 extern const char *sysappend_strings[SYSAPPEND_MAX];
  82 extern uint32_t SysAppends;
  83 extern void sysappend_set_uuid(const uint8_t *uuid);
  84
  85 void __cdecl core_intcall(uint8_t, const com32sys_t *, com32sys_t *);
  86 void __cdecl core_farcall(uint32_t, const com32sys_t *, com32sys_t *);
  87 int __cdecl core_cfarcall(uint32_t, const void *, uint32_t);
  88
  89 extern const com32sys_t zero_regs;
  90 void call16(void (*)(void), const com32sys_t *, com32sys_t *);
  91
  92 /*
  93  * __lowmem is in the low 1 MB; __bss16 in the low 64K
  94  */
  95 #ifdef __SYSLINUX_CORE__        /* Not supported in modules */
  96 # define __lowmem __attribute__((nocommon,section(".lowmem")))
  97 # define __bss16  __attribute__((nocommon,section(".bss16")))
  98 #endif
  99
 100 /*
 101  * Helper routine to return a specific set of flags
 102  */
 103 static inline void set_flags(com32sys_t *regs, uint32_t flags)
 104 {
 105     uint32_t eflags;
 106
 107     eflags = regs->eflags.l;
 108     eflags &= ~(EFLAGS_CF|EFLAGS_PF|EFLAGS_AF|EFLAGS_ZF|EFLAGS_SF|EFLAGS_OF);
 109     eflags |= flags;
 110     regs->eflags.l = eflags;
 111 }
 112
 113 extern int start_ldlinux(int argc, char **argv);
 114 extern int create_args_and_load(char *);
 115
 116 extern void write_serial(char data);
 117 extern void writestr(char *str);
 118 extern void writechr(char data);
 119 extern void crlf(void);
 120 extern int pollchar(void);
 121 extern char getchar(char *hi);
 122
 123 extern void cleanup_hardware(void);
 124 extern void sirq_cleanup(void);
 125 extern void adjust_screen(void);
 126
 127 extern void execute(const char *cmdline, uint32_t type, bool sysappend);
 128 extern void load_kernel(const char *cmdline);
 129
 130 extern void dmi_init(void);
 131
 132 extern void do_sysappend(char *buf);
 133
 134 extern void load_env32(com32sys_t *regs);
 135
 136 #endif /* CORE_H */