From: Wayne Xia xiawenc@cn.ibm.com
--- Makefile | 4 +- src/bmp.c | 69 ++++++++++++++++++++++++++++++++++ src/bmp.h | 51 +++++++++++++++++++++++++ src/boot.c | 37 ++++++++++++++++-- src/bootsplash.c | 109 +++++++++++++++++++++++++++++++++++++++++------------ 5 files changed, 239 insertions(+), 31 deletions(-) create mode 100644 src/bmp.c create mode 100644 src/bmp.h
diff --git a/Makefile b/Makefile index d17f85a..214fe80 100644 --- a/Makefile +++ b/Makefile @@ -15,12 +15,12 @@ SRCBOTH=misc.c pmm.c stacks.c output.c util.c block.c floppy.c ata.c mouse.c \ kbd.c pci.c serial.c clock.c pic.c cdrom.c ps2port.c smp.c resume.c \ pnpbios.c pirtable.c vgahooks.c ramdisk.c pcibios.c blockcmd.c \ usb.c usb-uhci.c usb-ohci.c usb-ehci.c usb-hid.c usb-msc.c \ - virtio-ring.c virtio-pci.c virtio-blk.c apm.c ahci.c + virtio-ring.c virtio-pci.c virtio-blk.c apm.c ahci.c bmp.c SRC16=$(SRCBOTH) system.c disk.c font.c SRC32FLAT=$(SRCBOTH) post.c shadow.c memmap.c coreboot.c boot.c \ acpi.c smm.c mptable.c smbios.c pciinit.c optionroms.c mtrr.c \ lzmadecode.c bootsplash.c jpeg.c usb-hub.c paravirt.c dev-i440fx.c \ - pci_region.c + pci_region.c bmp.c SRC32SEG=util.c output.c pci.c pcibios.c apm.c stacks.c
cc-option = $(shell if test -z "`$(1) $(2) -S -o /dev/null -xc \ diff --git a/src/bmp.c b/src/bmp.c new file mode 100644 index 0000000..b2a2333 --- /dev/null +++ b/src/bmp.c @@ -0,0 +1,69 @@ +//BMP data process and raw graphic data process functions +#include "bmp.h" + +void bmp_data_format_proc_24bpp(u8* src, u8* dest, int width,int height,int bytes_per_line_src, int bytes_per_line_dest ,u8 switch_flag) +{ + int cy=height; + u8 *pd,*ps,*pd_valid,*ps_lastline; + u8 t; + u8 rgb_switch_flag = switch_flag & SWITCH_RGB; + u8 line_switch_flag = switch_flag & SWITCH_LINE; + while (cy>0) + { + ps=bytes_per_line_src*cy+src-1; + if (line_switch_flag) { + pd=bytes_per_line_dest*(height-cy+1)+dest-1; + } + else { + pd=bytes_per_line_dest*cy+dest-1; + } + ps_lastline=ps-bytes_per_line_src; + pd_valid=pd-(bytes_per_line_dest-bytes_per_line_src); + while (pd>pd_valid) + { + *pd=0; + pd--; + } + while (ps>ps_lastline) + { + if (rgb_switch_flag) + { + t=*ps; + *ps=*(ps-2); + *(ps-2)=t; + } + *(pd--)=*(ps--); + *(pd--)=*(ps--); + *(pd--)=*(ps--); + } + cy--; + } +} + +int bmp_get_info(u8* data, int data_size, int* width_p, int* height_p, int* bpp_p, int* offset_p) +{ + if (data_size<54) + { + return 1; + } + + u16 bmp_filehead =bmp_load2byte(data+0); + if (bmp_filehead != 0x4d42) + { + return 2; + } + u32 bmp_recordsize =bmp_load4byte(data+2); + if (bmp_recordsize != data_size) + { + return 3; + } + u32 bmp_dataoffset =bmp_load4byte(data+10); + u32 bmp_width =bmp_load4byte(data+18); + u32 bmp_height =bmp_load4byte(data+22); + u32 bmp_bpp =bmp_load2byte(data+28); + *width_p =bmp_width; + *height_p =bmp_height; + *bpp_p =bmp_bpp; + *offset_p =bmp_dataoffset; + return 0; +} diff --git a/src/bmp.h b/src/bmp.h new file mode 100644 index 0000000..60045f9 --- /dev/null +++ b/src/bmp.h @@ -0,0 +1,51 @@ +#ifndef BMP_H +#define BMP_H +#include "types.h" + +#define WIDTHBYTES(bits) (((bits)+31)/32*4) + +typedef u8 BYTE; +typedef u32 BYTE4; + + +typedef struct tagBITMAPFILEHEADER { +BYTE bfType[2]; +BYTE bfSize[4]; +BYTE bfReserved1[2]; +BYTE bfReserved2[2]; +BYTE bfOffBits[4]; +} BITMAPFILEHEADER,tagBITMAPFILEHEADER; + +typedef struct tagBITMAPINFOHEADER{ +BYTE biSize[4]; +BYTE biWidth[4]; +BYTE biHeight[4]; +BYTE biPlanes[2]; +BYTE biBitCount[2]; +BYTE biCompression[4]; +BYTE biSizeImage[4]; +BYTE biXPelsPerMeter[4]; +BYTE biYPelsPerMeter[4]; +BYTE biClrUsed[4]; +BYTE biClrImportant[4]; +} BITMAPINFOHEADER,tagBITMAPINFOHEADER; + +typedef struct tagRGBQUAD { +BYTE rgbBlue; +BYTE rgbGreen; +BYTE rgbRed; +BYTE rgbReserved; +} RGBQUAD,tagRGBQUAD; + +#define bmp_load4byte(addr) (addr)[0]+((addr)[1]<<8)+((addr)[2]<<16)+((addr)[3]<<24) +#define bmp_load2byte(addr) (addr)[0]+((addr)[1]<<8) + +#define SWITCH_RGB 0x01 +#define SWITCH_LINE 0x02 + +//src can be equal to dest, if do not need to switch the lines from bottom to top +//bytes_per_line_src must be less or eqaul than bytes_per_line_dest +void bmp_data_format_proc_24bpp(u8* src, u8* dest, int width,int height,int bytes_per_line_src, int bytes_per_line_dest ,u8 switch_flag); + +int bmp_get_info(u8* data, int data_size, int* width_p, int* height_p, int* bpp_p, int* offset_p); +#endif diff --git a/src/boot.c b/src/boot.c index 9a67916..676c522 100644 --- a/src/boot.c +++ b/src/boot.c @@ -372,16 +372,45 @@ boot_add_cbfs(void *data, const char *desc, int prio) static void interactive_bootmenu(void) { - if (! CONFIG_BOOTMENU || ! qemu_cfg_show_boot_menu()) - return; + int filecfg_size; + u8 *filecfg_p = romfile_loadfile("bootsplash.cfg", &filecfg_size); + u8 showflag_normal; + u16 splash_time; + + if (filecfg_p != NULL && filecfg_size>=4) { + showflag_normal =*filecfg_p; + splash_time =*(filecfg_p+2)+(*(filecfg_p+3)<<8); //little endian + free (filecfg_p); + } + else { + showflag_normal =0; + splash_time =CONFIG_BOOTMENU_WAIT; + } + + if (! qemu_cfg_show_boot_menu()) { //the user do not want to show the menu, so normally bootup + if (showflag_normal) { + while (get_keystroke(0) >= 0) + ; + enable_bootsplash(); + get_keystroke(splash_time); + disable_bootsplash(); + + } + return; + } + else { + if (! CONFIG_BOOTMENU) //user want to show menu, check the if the bios config allow it + return; + } +
while (get_keystroke(0) >= 0) - ; + ;
printf("Press F12 for boot menu.\n\n");
enable_bootsplash(); - int scan_code = get_keystroke(CONFIG_BOOTMENU_WAIT); + int scan_code = get_keystroke(splash_time); disable_bootsplash(); if (scan_code != 0x86) /* not F12 */ diff --git a/src/bootsplash.c b/src/bootsplash.c index cf1a603..0adef01 100644 --- a/src/bootsplash.c +++ b/src/bootsplash.c @@ -12,7 +12,7 @@ #include "jpeg.h" // splash #include "biosvar.h" // SET_EBDA #include "paravirt.h" // romfile_find - +#include "bmp.h"
/**************************************************************** * VESA structures @@ -109,7 +109,7 @@ enable_vga_console(void)
static int find_videomode(struct vesa_info *vesa_info, struct vesa_mode_info *mode_info - , int width, int height) + , int width, int height, int bpp_req) { dprintf(3, "Finding vesa mode with dimensions %d/%d\n", width, height); u16 *videomodes = SEGOFF_TO_FLATPTR(vesa_info->video_mode_ptr); @@ -135,8 +135,14 @@ find_videomode(struct vesa_info *vesa_info, struct vesa_mode_info *mode_info || mode_info->y_resolution != height) continue; u8 depth = mode_info->bits_per_pixel; - if (depth != 16 && depth != 24 && depth != 32) - continue; + if (bpp_req == 0) { + if (depth != 16 && depth != 24 && depth != 32) + continue; + } + else { + if (depth != bpp_req) + continue; + } return videomode; } } @@ -149,12 +155,20 @@ enable_bootsplash(void) if (!CONFIG_BOOTSPLASH) return; dprintf(3, "Checking for bootsplash\n"); + u8 type=0;//0 means jpg, 1 means bmp, default is 0=jpg int filesize; u8 *filedata = romfile_loadfile("bootsplash.jpg", &filesize); - if (!filedata) - return; + if (!filedata) { + filedata = romfile_loadfile("bootsplash.bmp", &filesize); + if (!filedata) { + return; + } + type =1; + } + //dprintf(3, "start showing bootsplash\n");
- u8 *picture = NULL; + u8 *picture = NULL; //data buff used to be flushded to the video buff + u8 *picture_post = NULL; //another buff, used to do some post process, such as line sequence reverse struct vesa_info *vesa_info = malloc_tmplow(sizeof(*vesa_info)); struct vesa_mode_info *mode_info = malloc_tmplow(sizeof(*mode_info)); struct jpeg_decdata *jpeg = jpeg_alloc(); @@ -184,20 +198,43 @@ enable_bootsplash(void) vesa_info->vesa_version>>8, vesa_info->vesa_version&0xff, vendor, product);
- // Parse jpeg and get image size. - dprintf(5, "Decoding bootsplash.jpg\n"); - int ret = jpeg_decode(jpeg, filedata); - if (ret) { - dprintf(1, "jpeg_decode failed with return code %d...\n", ret); - goto done; + int ret, width, height; + int bpp_require=0; + int data_offset=0; + u8 post_flag=0; + if (type == 0) { + // Parse jpeg and get image size. + dprintf(5, "Decoding bootsplash.jpg\n"); + ret = jpeg_decode(jpeg, filedata); + if (ret) { + dprintf(1, "jpeg_decode failed with return code %d...\n", ret); + goto done; + } + jpeg_get_size(jpeg, &width, &height); + bpp_require =24;//for better vision effect, although there are 16 bpp mode exist + } + else { + // Parse jpeg and get image size. + dprintf(5, "retrieve information of bootsplash.bmp file\n"); + int bpp_src; + ret=bmp_get_info(filedata, filesize, &width, &height, &bpp_src, &data_offset); + if (ret) { + dprintf(1, "retrieve information from bmp file failed with return code %d...\n", ret); + goto done; + } + if (bpp_src != 24) { + dprintf(1, "only support 24bpp color, now the bmp file's bpp is %d...\n", bpp_src); + goto done; + } + bpp_require =24; } - int width, height; - jpeg_get_size(jpeg, &width, &height);
// Try to find a graphics mode with the corresponding dimensions. - int videomode = find_videomode(vesa_info, mode_info, width, height); - if (videomode < 0) - goto done; + int videomode = find_videomode(vesa_info, mode_info, width, height, bpp_require); + if (videomode < 0) { + dprintf(1, "failed to find a videomode with %dx%d %dbpp (0 means any).\n", width, height, bpp_require); + goto done; + } void *framebuffer = mode_info->phys_base_ptr; int depth = mode_info->bits_per_pixel; dprintf(3, "mode: %04x\n", videomode); @@ -206,17 +243,39 @@ enable_bootsplash(void) dprintf(3, "bits per pixel: %d\n", depth);
// Allocate space for image and decompress it. - int imagesize = width * height * (depth / 8); + int imagesize = height * mode_info->bytes_per_scanline; picture = malloc_tmphigh(imagesize); if (!picture) { warn_noalloc(); goto done; } - dprintf(5, "Decompressing bootsplash.jpg\n"); - ret = jpeg_show(jpeg, picture, width, height, depth); - if (ret) { - dprintf(1, "jpeg_show failed with return code %d...\n", ret); - goto done; + + if (type == 0) { + dprintf(5, "Decompressing bootsplash.data\n"); + ret = jpeg_show(jpeg, picture, width, height, depth); + if (ret) { + dprintf(1, "jpeg_show failed with return code %d...\n", ret); + goto done; + } + picture_post=picture; + post_flag |= SWITCH_RGB; + if ( depth==24 && mode_info->bytes_per_scanline >= width * 24 /8){ + bmp_data_format_proc_24bpp(picture_post, picture, width, height, width * 24 /8, mode_info->bytes_per_scanline, post_flag); + } + } + else { + picture_post = malloc_tmphigh(imagesize); + if (!picture_post) { + warn_noalloc(); + goto done; + } + + memcpy(picture_post, filedata+data_offset,filesize-data_offset); + post_flag |= SWITCH_LINE; + if ( depth==24 && mode_info->bytes_per_scanline >= width * 24 /8){ + bmp_data_format_proc_24bpp(picture_post, picture, width, height, width * 24 /8, mode_info->bytes_per_scanline, post_flag); + } + free(picture_post); }
/* Switch to graphics mode */ @@ -231,7 +290,7 @@ enable_bootsplash(void) }
/* Show the picture */ - dprintf(5, "Showing bootsplash.jpg\n"); + dprintf(5, "Showing bootsplash picture\n"); iomemcpy(framebuffer, picture, imagesize); dprintf(5, "Bootsplash copy complete\n"); BootsplashActive = 1;