| 0,0 → 1,636 |
|---|
| /* |
| * Copyright (C) 2006 Jakub Vana |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <stdio.h> |
| #include <ddi.h> |
| #include <task.h> |
| #include <stdlib.h> |
| #include <ddi.h> |
| #include <sysinfo.h> |
| #include <align.h> |
| #include <as.h> |
| #include <ipc/fb.h> |
| |
| |
| #include <ipc/ipc.h> |
| #include <ipc/services.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <ipc/ns.h> |
| |
| #include <kernel/errno.h> |
| |
| |
| #include "fb.h" |
| |
| |
| |
| #define pl /*printf("FB:L:%d\n",(int)__LINE__);*/ |
| |
| #define EFB (-1) |
| |
| extern int __DONT_OPEN_STDIO__=1; |
| |
| #define DEFAULT_BGCOLOR 0x000080 |
| #define DEFAULT_FGCOLOR 0xffff00 |
| #define DEFAULT_LOGOCOLOR 0x0000ff |
| |
| #define MAIN_BGCOLOR 0x404000 |
| #define MAIN_FGCOLOR 0x000000 |
| #define MAIN_LOGOCOLOR 0x404000 |
| |
| #define SPACING (2) |
| |
| #define H_NO_VFBS 3 |
| #define V_NO_VFBS 3 |
| |
| |
| static void fb_putchar(int item,char ch); |
| int create_window(int item,unsigned int x, unsigned int y,unsigned int x_size, unsigned int y_size, |
| unsigned int BGCOLOR,unsigned int FGCOLOR,unsigned int LOGOCOLOR); |
| void fb_init(int item,__address addr, unsigned int x, unsigned int y, unsigned int bpp, unsigned int scan, |
| unsigned int BGCOLOR,unsigned int FGCOLOR,unsigned int LOGOCOLOR); |
| |
| |
| unsigned int mod_col(unsigned int col,int mod); |
| |
| |
| |
| |
| |
| int main(int argc, char *argv[]) |
| { |
| |
| __address fb_ph_addr; |
| unsigned int fb_width; |
| unsigned int fb_height; |
| unsigned int fb_bpp; |
| unsigned int fb_scanline; |
| __address fb_addr; |
| int a=0; |
| |
| |
| if(!sysinfo_value("fb")) return -1; |
| |
| fb_ph_addr=sysinfo_value("fb.address.physical"); |
| fb_width=sysinfo_value("fb.width"); |
| fb_height=sysinfo_value("fb.height"); |
| fb_bpp=sysinfo_value("fb.bpp"); |
| fb_scanline=sysinfo_value("fb.scanline"); |
| |
| fb_addr=ALIGN_UP(((__address)set_maxheapsize(USER_ADDRESS_SPACE_SIZE_ARCH>>1)),PAGE_SIZE); |
| |
| |
| |
| map_physmem(task_get_id(),(void *)((__address)fb_ph_addr),(void *)fb_addr, |
| (fb_scanline*fb_height+PAGE_SIZE-1)>>PAGE_WIDTH,1); |
| |
| fb_init(0,fb_addr, fb_width, fb_height, fb_bpp, fb_scanline, |
| MAIN_BGCOLOR,MAIN_FGCOLOR,MAIN_LOGOCOLOR); |
| |
| fb_putchar(0,'\n'); |
| fb_putchar(0,' '); |
| |
| |
| { |
| int i,j; |
| |
| for(i=0;i<H_NO_VFBS;i++) |
| for(j=0;j<V_NO_VFBS;j++) |
| { |
| |
| int w=create_window(0,(fb_width/H_NO_VFBS)*i+SPACING, |
| (fb_height/V_NO_VFBS)*j+SPACING,(fb_width/H_NO_VFBS)-2*SPACING , |
| (fb_height/V_NO_VFBS)-2*SPACING,mod_col(DEFAULT_BGCOLOR,/*i+j*H_NO_VFBS*/0), |
| mod_col(DEFAULT_FGCOLOR,/*i+j*H_NO_VFBS*/0), |
| mod_col(DEFAULT_LOGOCOLOR,/*i+j*H_NO_VFBS)*/0)); |
| |
| if(w==EFB) return -1; |
| |
| { |
| char text[]="Hello, World from\nHelenOS Framebuffer driver\non Virtual Framebuffer\nVFB "; |
| int i; |
| for(i=0;text[i];i++) fb_putchar(w,text[i]); |
| fb_putchar(w,w+'0'); |
| fb_putchar(w,'\n'); |
| } |
| } |
| } |
| |
| |
| ipc_call_t call; |
| ipc_callid_t callid; |
| char connected = 0; |
| int res; |
| int c; |
| ipcarg_t phonead; |
| |
| ipcarg_t retval, arg1, arg2; |
| |
| |
| |
| if ((res = ipc_connect_to_me(PHONE_NS, SERVICE_VIDEO, 0, &phonead)) != 0) |
| { |
| return -1; |
| }; |
| |
| |
| while (1) { |
| static int vfb_no=1; |
| |
| callid = ipc_wait_for_call(&call, 0); |
| // printf("%s:Call phone=%lX..", NAME, call.in_phone_hash); |
| switch (IPC_GET_METHOD(call)&((1<<METHOD_WIDTH)-1)) { |
| case IPC_M_PHONE_HUNGUP: |
| // fb_putchar(4,((a++)&15)+'A'); |
| |
| retval = 0; |
| break; |
| case IPC_M_CONNECT_ME_TO: |
| retval = 0; |
| // fb_putchar(1,((a++)&15)+'A'); |
| break; |
| case FB_GET_VFB: |
| retval = 0; |
| arg1 = vfb_no++; |
| // fb_putchar(2,((a++)&15)+'A'); |
| |
| break; |
| |
| case FB_PUTCHAR: |
| retval = 0; |
| fb_putchar(IPC_GET_ARG1(call),IPC_GET_ARG2(call)); |
| // fb_putchar(2,((a++)&15)+'A'); |
| break; |
| |
| default: |
| retval = ENOENT; |
| // fb_putchar(3,((a++)&15)+'A'); |
| break; |
| } |
| |
| if (! (callid & IPC_CALLID_NOTIFICATION)) { |
| ipc_answer_fast(callid, retval, arg1, arg2); |
| } |
| } |
| |
| return 0; |
| } |
| /* |
| * Copyright (C) 2006 Ondrej Palkovsky |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "font-8x16.h" |
| #include <string.h> |
| |
| #include "helenos.xbm" |
| |
| |
| |
| |
| |
| |
| #define GRAPHICS_ITEMS 1024 |
| |
| |
| /***************************************************************/ |
| /* Pixel specific fuctions */ |
| |
| typedef void (*putpixel_fn_t)(int item,unsigned int x, unsigned int y, int color); |
| typedef int (*getpixel_fn_t)(int item,unsigned int x, unsigned int y); |
| |
| typedef struct framebuffer_descriptor |
| { |
| __u8 *fbaddress ; |
| |
| unsigned int xres ; |
| unsigned int yres ; |
| unsigned int scanline ; |
| unsigned int pixelbytes ; |
| |
| unsigned int position ; |
| unsigned int columns ; |
| unsigned int rows ; |
| |
| unsigned int BGCOLOR; |
| unsigned int FGCOLOR; |
| unsigned int LOGOCOLOR; |
| |
| putpixel_fn_t putpixel; |
| getpixel_fn_t getpixel; |
| |
| }framebuffer_descriptor_t; |
| |
| void * graphics_items[GRAPHICS_ITEMS+1]={NULL}; |
| |
| #define FB(__a__,__b__) (((framebuffer_descriptor_t*)(graphics_items[__a__]))->__b__) |
| |
| #define COL_WIDTH 8 |
| #define ROW_BYTES (FB(item,scanline) * FONT_SCANLINES) |
| #define RED(x, bits) ((x >> (16 + 8 - bits)) & ((1 << bits) - 1)) |
| #define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1)) |
| #define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1)) |
| |
| #define POINTPOS(x, y) (y * FB(item,scanline) + x * FB(item,pixelbytes)) |
| |
| |
| |
| |
| /** Put pixel - 24-bit depth, 1 free byte */ |
| static void putpixel_4byte(int item,unsigned int x, unsigned int y, int color) |
| { |
| *((__u32 *)(FB(item,fbaddress) + POINTPOS(x, y))) = color; |
| } |
| |
| /** Return pixel color - 24-bit depth, 1 free byte */ |
| static int getpixel_4byte(int item,unsigned int x, unsigned int y) |
| { |
| return *((__u32 *)(FB(item,fbaddress) + POINTPOS(x, y))) & 0xffffff; |
| } |
| |
| /** Put pixel - 24-bit depth */ |
| static void putpixel_3byte(int item,unsigned int x, unsigned int y, int color) |
| { |
| unsigned int startbyte = POINTPOS(x, y); |
| |
| #if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN)) |
| FB(item,fbaddress)[startbyte] = RED(color, 8); |
| FB(item,fbaddress)[startbyte + 1] = GREEN(color, 8); |
| FB(item,fbaddress)[startbyte + 2] = BLUE(color, 8); |
| #else |
| FB(item,fbaddress)[startbyte + 2] = RED(color, 8); |
| FB(item,fbaddress)[startbyte + 1] = GREEN(color, 8); |
| FB(item,fbaddress)[startbyte + 0] = BLUE(color, 8); |
| #endif |
| |
| |
| } |
| |
| /** Return pixel color - 24-bit depth */ |
| static int getpixel_3byte(int item,unsigned int x, unsigned int y) |
| { |
| unsigned int startbyte = POINTPOS(x, y); |
| |
| |
| |
| #if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN)) |
| return FB(item,fbaddress)[startbyte] << 16 | FB(item,fbaddress)[startbyte + 1] << 8 | FB(item,fbaddress)[startbyte + 2]; |
| #else |
| return FB(item,fbaddress)[startbyte + 2] << 16 | FB(item,fbaddress)[startbyte + 1] << 8 | FB(item,fbaddress)[startbyte + 0]; |
| #endif |
| |
| |
| } |
| |
| /** Put pixel - 16-bit depth (5:6:5) */ |
| static void putpixel_2byte(int item,unsigned int x, unsigned int y, int color) |
| { |
| /* 5-bit, 6-bits, 5-bits */ |
| *((__u16 *)(FB(item,fbaddress) + POINTPOS(x, y))) = RED(color, 5) << 11 | GREEN(color, 6) << 5 | BLUE(color, 5); |
| } |
| |
| /** Return pixel color - 16-bit depth (5:6:5) */ |
| static int getpixel_2byte(int item,unsigned int x, unsigned int y) |
| { |
| int color = *((__u16 *)(FB(item,fbaddress) + POINTPOS(x, y))); |
| return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3); |
| } |
| |
| /** Put pixel - 8-bit depth (3:2:3) */ |
| static void putpixel_1byte(int item,unsigned int x, unsigned int y, int color) |
| { |
| FB(item,fbaddress)[POINTPOS(x, y)] = RED(color, 3) << 5 | GREEN(color, 2) << 3 | BLUE(color, 3); |
| } |
| |
| /** Return pixel color - 8-bit depth (3:2:3) */ |
| static int getpixel_1byte(int item,unsigned int x, unsigned int y) |
| { |
| int color = FB(item,fbaddress)[POINTPOS(x, y)]; |
| return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5); |
| } |
| |
| /** Fill line with color BGCOLOR */ |
| static void clear_line(int item,unsigned int y) |
| { |
| unsigned int x; |
| for (x = 0; x < FB(item,xres); x++) |
| FB(item,putpixel)(item,x, y, FB(item,BGCOLOR)); |
| } |
| |
| |
| /** Fill screen with background color */ |
| static void clear_screen(int item) |
| { |
| unsigned int y; |
| for (y = 0; y < FB(item,yres); y++) |
| { |
| clear_line(item,y); pl |
| } |
| } |
| |
| |
| /** Scroll screen one row up */ |
| static void scroll_screen(int item) |
| { |
| unsigned int i; |
| unsigned int j; |
| |
| for(j=0;j<FB(item,yres)-FONT_SCANLINES;j++) |
| memcpy((void *) FB(item,fbaddress)+j*FB(item,scanline), |
| (void *) &FB(item,fbaddress)[ROW_BYTES+j*FB(item,scanline)], FB(item,pixelbytes)*FB(item,xres)); |
| |
| //memcpy((void *) FB(item,fbaddress), (void *) &FB(item,fbaddress)[ROW_BYTES], FB(item,scanline) * FB(item,yres) - ROW_BYTES); |
| |
| /* Clear last row */ |
| for (i = 0; i < FONT_SCANLINES; i++) |
| clear_line(item,(FB(item,rows) - 1) * FONT_SCANLINES + i); |
| } |
| |
| |
| static void invert_pixel(int item,unsigned int x, unsigned int y) |
| { |
| FB(item,putpixel)(item, x, y, ~FB(item,getpixel)(item, x, y)); |
| } |
| |
| |
| /** Draw one line of glyph at a given position */ |
| static void draw_glyph_line(int item,unsigned int glline, unsigned int x, unsigned int y) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < 8; i++) |
| if (glline & (1 << (7 - i))) { |
| FB(item,putpixel)(item,x + i, y, FB(item,FGCOLOR)); |
| } else |
| FB(item,putpixel)(item,x + i, y, FB(item,BGCOLOR)); |
| } |
| |
| /***************************************************************/ |
| /* Character-console functions */ |
| |
| /** Draw character at given position */ |
| static void draw_glyph(int item,__u8 glyph, unsigned int col, unsigned int row) |
| { |
| unsigned int y; |
| |
| for (y = 0; y < FONT_SCANLINES; y++) |
| draw_glyph_line(item ,fb_font[glyph * FONT_SCANLINES + y], col * COL_WIDTH, row * FONT_SCANLINES + y); |
| } |
| |
| /** Invert character at given position */ |
| static void invert_char(int item,unsigned int col, unsigned int row) |
| { |
| unsigned int x; |
| unsigned int y; |
| |
| for (x = 0; x < COL_WIDTH; x++) |
| for (y = 0; y < FONT_SCANLINES; y++) |
| invert_pixel(item,col * COL_WIDTH + x, row * FONT_SCANLINES + y); |
| } |
| |
| /** Draw character at default position */ |
| static void draw_char(int item,char chr) |
| { |
| draw_glyph(item ,chr, FB(item,position) % FB(item,columns), FB(item,position) / FB(item,columns)); |
| } |
| |
| static void draw_logo(int item,unsigned int startx, unsigned int starty) |
| { |
| unsigned int x; |
| unsigned int y; |
| unsigned int byte; |
| unsigned int rowbytes; |
| |
| rowbytes = (helenos_width - 1) / 8 + 1; |
| |
| for (y = 0; y < helenos_height; y++) |
| for (x = 0; x < helenos_width; x++) { |
| byte = helenos_bits[rowbytes * y + x / 8]; |
| byte >>= x % 8; |
| if (byte & 1) |
| FB(item,putpixel)(item,startx + x, starty + y, FB(item,LOGOCOLOR)); |
| } |
| } |
| |
| /***************************************************************/ |
| /* Stdout specific functions */ |
| |
| static void invert_cursor(int item) |
| { |
| invert_char(item,FB(item,position) % FB(item,columns), FB(item,position) / FB(item,columns)); |
| } |
| |
| /** Print character to screen |
| * |
| * Emulate basic terminal commands |
| */ |
| static void fb_putchar(int item,char ch) |
| { |
| |
| switch (ch) { |
| case '\n': |
| invert_cursor(item); |
| FB(item,position) += FB(item,columns); |
| FB(item,position) -= FB(item,position) % FB(item,columns); |
| break; |
| case '\r': |
| invert_cursor(item); |
| FB(item,position) -= FB(item,position) % FB(item,columns); |
| break; |
| case '\b': |
| invert_cursor(item); |
| if (FB(item,position) % FB(item,columns)) |
| FB(item,position)--; |
| break; |
| case '\t': |
| invert_cursor(item); |
| do { |
| draw_char(item,' '); |
| FB(item,position)++; |
| } while (FB(item,position) % 8); |
| break; |
| default: |
| draw_char(item,ch); |
| FB(item,position)++; |
| } |
| |
| if (FB(item,position) >= FB(item,columns) * FB(item,rows)) { |
| FB(item,position) -= FB(item,columns); |
| scroll_screen(item); |
| } |
| |
| invert_cursor(item); |
| |
| } |
| |
| |
| /** Initialize framebuffer as a chardev output device |
| * |
| * @param addr Address of theframebuffer |
| * @param x Screen width in pixels |
| * @param y Screen height in pixels |
| * @param bpp Bits per pixel (8, 16, 24, 32) |
| * @param scan Bytes per one scanline |
| * |
| */ |
| void fb_init(int item,__address addr, unsigned int x, unsigned int y, unsigned int bpp, unsigned int scan, |
| unsigned int BGCOLOR,unsigned int FGCOLOR,unsigned int LOGOCOLOR) |
| { |
| |
| if( (graphics_items[item]=malloc(sizeof(framebuffer_descriptor_t))) ==NULL) |
| { |
| return; |
| } |
| |
| switch (bpp) { |
| case 8: |
| FB(item,putpixel) = putpixel_1byte; |
| FB(item,getpixel) = getpixel_1byte; |
| FB(item,pixelbytes) = 1; |
| break; |
| case 16: |
| FB(item,putpixel) = putpixel_2byte; |
| FB(item,getpixel) = getpixel_2byte; |
| FB(item,pixelbytes) = 2; |
| break; |
| case 24: |
| FB(item,putpixel) = putpixel_3byte; |
| FB(item,getpixel) = getpixel_3byte; |
| FB(item,pixelbytes) = 3; |
| break; |
| case 32: |
| FB(item,putpixel) = putpixel_4byte; |
| FB(item,getpixel) = getpixel_4byte; |
| FB(item,pixelbytes) = 4; |
| break; |
| } |
| |
| |
| FB(item,fbaddress) = (unsigned char *) addr; pl |
| FB(item,xres) = x; pl |
| FB(item,yres) = y; pl |
| FB(item,scanline) = scan; pl |
| |
| |
| FB(item,rows) = y / FONT_SCANLINES; pl |
| FB(item,columns) = x / COL_WIDTH; pl |
| |
| FB(item,BGCOLOR)=BGCOLOR; |
| FB(item,FGCOLOR)=FGCOLOR; |
| FB(item,LOGOCOLOR)=LOGOCOLOR; |
| |
| |
| clear_screen(item); pl |
| draw_logo(item,FB(item,xres) - helenos_width, 0); pl |
| invert_cursor(item); pl |
| |
| } |
| |
| |
| static int get_free_item() |
| { |
| int item; |
| for(item=0;graphics_items[item]!=NULL;item++); |
| return (item==GRAPHICS_ITEMS)?EFB:item; |
| } |
| |
| unsigned int mod_col(unsigned int col,int mod) |
| { |
| if(mod & 1) col^=0xff; |
| if(mod & 2) col^=0xff00; |
| if(mod & 4) col^=0xff0000; |
| return col; |
| } |
| |
| |
| int create_window(int item,unsigned int x, unsigned int y,unsigned int x_size, unsigned int y_size, |
| unsigned int BGCOLOR,unsigned int FGCOLOR,unsigned int LOGOCOLOR) |
| { |
| int item_new; |
| |
| if(EFB==(item_new=get_free_item()))return EFB; |
| |
| |
| if( (graphics_items[item_new]=malloc(sizeof(framebuffer_descriptor_t))) ==NULL) |
| { |
| return EFB; |
| } |
| |
| |
| |
| FB(item_new,putpixel) = FB(item,putpixel); |
| FB(item_new,getpixel) = FB(item,getpixel); |
| FB(item_new,pixelbytes) = FB(item,pixelbytes); |
| |
| FB(item_new,fbaddress) = FB(item,fbaddress) + POINTPOS(x, y) ; |
| FB(item_new,xres) = x_size; |
| FB(item_new,yres) = y_size; |
| FB(item_new,scanline) = FB(item,scanline); |
| |
| |
| FB(item_new,rows) = y_size / FONT_SCANLINES; |
| FB(item_new,columns) = x_size / COL_WIDTH; |
| |
| FB(item_new,BGCOLOR)=BGCOLOR; |
| FB(item_new,FGCOLOR)=FGCOLOR; |
| FB(item_new,LOGOCOLOR)=LOGOCOLOR; |
| |
| |
| clear_screen(item_new); |
| draw_logo(item_new,FB(item_new,xres) - helenos_width, 0); |
| invert_cursor(item_new); |
| |
| return item_new; |
| } |
| |
| |
| |