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
  30 extern const size_t __syslinux_shuffler_size;
  31
  32 static inline size_t syslinux_shuffler_size(void)
  33 {
  34     return __syslinux_shuffler_size;
  35 }
  36
  37 /*
  38  * Mark symbols that are only used by BIOS as __weak until we can move
  39  * all references out of the generic (EFI + BIOS) code and into
  40  * BIOS-specific code.
  41  */
  42 extern __weak uint16_t BIOSName;
  43 extern __weak char KernelName[];
  44 extern __weak char StackBuf[];
  45
  46 extern uint8_t KbdMap[256];
  47
  48 extern const uint16_t IPAppends[];
  49 extern size_t numIPAppends;
  50
  51 extern uint16_t SerialPort;
  52 extern uint16_t BaudDivisor;
  53 extern uint8_t FlowOutput;
  54 extern uint8_t FlowInput;
  55 extern uint8_t FlowIgnore;
  56
  57 extern uint8_t ScrollAttribute;
  58 extern uint16_t DisplayCon;
  59
  60 /* diskstart.inc isolinux.asm*/
  61 extern void getlinsec(void);
  62
  63 /* pm.inc */
  64 void core_pm_null_hook(void);
  65 extern void (*core_pm_hook)(void);
  66
  67 /* getc.inc */
  68 extern void core_open(void);
  69
  70 /* adv.inc */
  71 extern void adv_init(void);
  72 extern void adv_write(void);
  73
  74 /* hello.c */
  75 extern void myputs(const char*);
  76
  77 /* idle.c */
  78 extern int (*idle_hook_func)(void);
  79 extern void __idle(void);
  80 extern void reset_idle(void);
  81
  82 /* mem/malloc.c, mem/free.c, mem/init.c */
  83 extern void *lmalloc(size_t);
  84 extern void *pmapi_lmalloc(size_t);
  85 extern void *zalloc(size_t);
  86 extern void free(void *);
  87 extern void mem_init(void);
  88
  89 /* sysappend.c */
  90 extern void print_sysappend(void);
  91 extern const char *sysappend_strings[SYSAPPEND_MAX];
  92 extern uint32_t SysAppends;
  93 extern void sysappend_set_uuid(const uint8_t *uuid);
  94
  95 void __cdecl core_intcall(uint8_t, const com32sys_t *, com32sys_t *);
  96 void __cdecl core_farcall(uint32_t, const com32sys_t *, com32sys_t *);
  97 int __cdecl core_cfarcall(uint32_t, const void *, uint32_t);
  98
  99 extern const com32sys_t zero_regs;
 100 void call16(void (*)(void), const com32sys_t *, com32sys_t *);
 101
 102 /*
 103  * __lowmem is in the low 1 MB; __bss16 in the low 64K
 104  */
 105 #ifdef __SYSLINUX_CORE__        /* Not supported in modules */
 106 # define __lowmem __attribute__((nocommon,section(".lowmem")))
 107 # define __bss16  __attribute__((nocommon,section(".bss16")))
 108 #endif
 109
 110 /*
 111  * Helper routine to return a specific set of flags
 112  */
 113 static inline void set_flags(com32sys_t *regs, uint32_t flags)
 114 {
 115     uint32_t eflags;
 116
 117     eflags = regs->eflags.l;
 118     eflags &= ~(EFLAGS_CF|EFLAGS_PF|EFLAGS_AF|EFLAGS_ZF|EFLAGS_SF|EFLAGS_OF);
 119     eflags |= flags;
 120     regs->eflags.l = eflags;
 121 }
 122
 123 extern int start_ldlinux(int argc, char **argv);
 124 extern int create_args_and_load(char *);
 125
 126 extern void write_serial(char data);
 127 extern void writestr(char *str);
 128 extern void writechr(char data);
 129 extern void crlf(void);
 130 extern int pollchar(void);
 131 extern char getchar(char *hi);
 132
 133 extern void cleanup_hardware(void);
 134 extern void sirq_cleanup(void);
 135 extern void adjust_screen(void);
 136
 137 extern void execute(const char *cmdline, uint32_t type, bool sysappend);
 138 extern void load_kernel(const char *cmdline);
 139
 140 extern void dmi_init(void);
 141
 142 extern void do_sysappend(char *buf);
 143
 144 extern void load_env32(com32sys_t *regs);
 145
 146 #endif /* CORE_H */