kolibri-libc:
- [KSYS] added functions for working with drivers. - [SAMPLES] added an example of working with the tmpdisk.sys driver - Misc: fixed Makefiles git-svn-id: svn://kolibrios.org@8699 a494cfbc-eb01-0410-851d-a64ba20cac60
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@ -48,15 +48,6 @@ typedef union ksys_oskey_t{
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};
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}ksys_oskey_t;
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typedef struct{
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unsigned handle;
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unsigned io_code;
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unsigned *input;
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int inp_size;
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void *output;
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int out_size;
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}ksys_ioctl_t;
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typedef struct{
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void *data;
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size_t size;
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@ -152,6 +143,17 @@ typedef struct {
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void* func_ptr;
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}ksys_coff_etable_t;
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typedef void* ksys_drv_hand_t;
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typedef struct{
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ksys_drv_hand_t handler;
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unsigned func_num;
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void* in_data_ptr;
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unsigned in_data_size;
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void* out_data_ptr;
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unsigned out_data_size;
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}ksys_drv_ctl_t;
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#pragma pack(pop)
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enum KSYS_EVENTS {
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@ -999,6 +1001,33 @@ void _ksys_shm_close(char *shm_name)
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);
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}
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/* Driver functions */
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static inline
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ksys_drv_hand_t _ksys_load_driver(char *driver_name)
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{
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ksys_drv_hand_t driver_h;
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asm_inline(
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"int $0x40"
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:"=a"(driver_h)
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:"a"(68), "b"(16), "c"(driver_name)
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);
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return driver_h;
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}
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static inline
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unsigned _ksys_work_driver(ksys_drv_ctl_t *ioctl)
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{
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unsigned status;
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asm_inline(
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"int $0x40"
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:"=a"(status)
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:"a"(68), "b"(17), "c"(ioctl)
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:"memory"
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);
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return status;
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}
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#ifdef __cplusplus
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}
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#endif
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@ -1,5 +1,5 @@
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KTCC=../linuxtools/kos32-tcc
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KTCC=../../../ktcc/trunk/bin/kos32-tcc
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KPACK = kpack
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CFLAGS = -I../include
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LDFLAGS = -nostdlib -L../lib ../lib/crt0.o
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@ -11,6 +11,7 @@ math_test.kex \
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string_test.kex \
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whois.kex \
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file_io.kex \
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tmpdisk_work.kex
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all: $(BIN)
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@ -0,0 +1,56 @@
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#include "stddef.h"
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#include <sys/ksys.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define DEV_ADD_DISK 1
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#define TMPDISK_SIZE 10 //Mb
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#pragma pack(push, 1)
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struct{
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unsigned disk_size;
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unsigned char disk_id;
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}tmpdisk_add;
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#pragma pack(pop)
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char *tmpdisk_res_text[]={
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"TmpDisk operation completed successfully",
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"Unknown IOCTL code, wrong input/output size...",
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"DiskId must be from 0 to 9",
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"DiskSize is too large",
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"DiskSize is too small, might be too little free RAM",
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"Memory allocation failed",
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"Unknown error O_o",
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0};
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int main(){
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ksys_drv_hand_t tmpdisk_drv = _ksys_load_driver("tmpdisk");
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if(!tmpdisk_drv){
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puts("tmpdisk.sys driver not load!");
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exit(0);
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}else{
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puts("tmpdisk.sys driver is load!");
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}
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tmpdisk_add.disk_size = TMPDISK_SIZE*1024*1024/512;
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tmpdisk_add.disk_id = 5;
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ksys_drv_ctl_t ioctl;
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ioctl.func_num = DEV_ADD_DISK;
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ioctl.handler = tmpdisk_drv;
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ioctl.in_data_ptr = &tmpdisk_add;
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ioctl.in_data_size = sizeof(tmpdisk_add);
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ioctl.out_data_ptr = NULL;
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ioctl.out_data_size = 0;
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printf("Create '/tmp%u/' disk a %u Mb size...\n", tmpdisk_add.disk_id, TMPDISK_SIZE);
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unsigned status =_ksys_work_driver(&ioctl);
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if(status<7){
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puts(tmpdisk_res_text[status]);
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}else{
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puts(tmpdisk_res_text[6]);
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}
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exit(0);
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}
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@ -1,5 +1,6 @@
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CC=kos32-gcc
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ifndef GCC
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GCC=kos32-gcc
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endif
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KPACK=kpack
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FASM=fasm
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@ -14,8 +15,11 @@ all:
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mkdir -p exports ../lib
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../linuxtools/ExportGen symbols.txt exports/exports.c
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$(FASM) crt/crt0.asm ../lib/crt0.o
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$(CC) $(CFLAGS) $(SRC) -o $(LIB)
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$(GCC) $(CFLAGS) $(SRC) -o $(LIB)
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$(KPACK) $(LIB)
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../linuxtools/LoaderGen symbols.txt ../loader
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../linuxtools/LoaderBuild ../loader
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rm -rf exports
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install:
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cp -f ../lib/libc.obj ~/.kex/root/RD/1/LIB
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