base/include/nul/program.h File Reference

#include "service/string.h"
#include "service/cpu.h"
#include "service/logging.h"
#include "sys/hip.h"
#include "sys/syscalls.h"
#include "region.h"
#include "baseprogram.h"
#include "config.h"
#include "capalloc.h"

Classes
class	NovaProgram
	Contains common code for nova programms. More...
Defines
#define	ASMFUNCS(X, Y)
	Define the functions needed by asm.s.
Functions
void	__attribute__ ((noreturn)) __attribute__((regparm(1))) idc_reply_and_wait_fast(unsigned long mtr)
unsigned	alloc_cap_region (unsigned count, unsigned align_order)
void	dealloc_cap_region (unsigned base, unsigned count)
asm	volatile (".global __start;"".section .text.__start;""__start:;""mov $stack, %eax;""xchg %eax, %esp;""mov %eax, %edx;""sub $0x1000, %edx;""push %edx;""push $0;""push %edx;""pushl $0;""call start;""ud2a;"".section .bss.stack;"".align 0x1000;"".space 0x1000;""stack:;")
	The startup function and the initial stack.
asm	volatile (".section .text.idc_reply_and_wait_fast;"".global idc_reply_and_wait_fast;""idc_reply_and_wait_fast:;""mov $1, %al;""lea -4(%esp), %ecx;""sysenter;")
	A fast reply to our client, called by a return to a portal function.
Variables
char	__image_start
char	__image_end
RegionList< 512 >	_cap_region

---

Define Documentation

#define ASMFUNCS	(		X,
			Y
	)

Value:

extern "C" void start(Hip *hip, Utcb *utcb) __attribute__((regparm(2))) __attribute__((noreturn)); \
  void start(Hip *hip, Utcb *utcb)                                      \
  {                                                                     \
    static X x;                                                         \
    x.run(utcb, hip);                                                   \
    do_exit("run returned");                                            \
  }                                                                     \
  void do_exit(const char *msg)                                         \
  {                                                                     \
    Y::exit(msg);                                                       \
    while (1)                                                           \
      asm volatile ("ud2a" : : "a"(msg));                               \
  }

Define the functions needed by asm.s.

Unfortunately this can not be a template.

---

Function Documentation

void __attribute__

(

(noreturn)

)

unsigned alloc_cap_region	(	unsigned	count,
		unsigned	align_order
	)

void dealloc_cap_region	(	unsigned	base,
		unsigned	count
	)

asm volatile	(	".global __start;"".section .text.__start;""__start:;""mov $	stack,
		%eax;""xchg%	eax,
		%esp;""mov%	eax,
		%edx;""sub $	0x1000,
		%edx;""push%edx;""push $0;""push%edx;""pushl $0;""call start;""ud2a;"".section.bss.stack;"".align 0x1000;"".space 0x1000;""stack:;"
	)

The startup function and the initial stack.

Called with the HIP in esp and the UTCB a page below the HIP.

asm volatile	(	".section .text.idc_reply_and_wait_fast;"".global idc_reply_and_wait_fast;""idc_reply_and_wait_fast:;""mov $	1,
		%al;""lea-	4%esp,
		%ecx;""sysenter;"
	)

A fast reply to our client, called by a return to a portal function.

---

Variable Documentation

char __image_end

char __image_start

RegionList<512> _cap_region