使用QEMU建立Mini2440的模擬環(huán)境

本文格式為Word版，下載可任意編輯——使用QEMU建立Mini2440的模擬環(huán)境=0){

if(pid==0){

charpath[20];/*baconadd*/intopen_max=sysconf(_SC_OPEN_MAX),i;for(i=0;i

gitclonegit://repo.or.cz/qemu/mini2440.gitqemu

修改啟動部分為ram的最小地址直接啟動[cpp]viewplaincopy1.2.3.4.5.6.7.8.9.ricky@ricky-laptop:~/ecos/projects/mini2440-qemu/mini2440$gitdiffdiff--gita/hw/mini2440.cb/hw/mini2440.cindex5decf4b..7a70aae100644a/hw/mini2440.c+++b/hw/mini2440.c@@-258,46+258,15@@staticvoidmini2440_reset(void*opaque)structmini2440_board_s*s=(structmini2440_board_s*)opaque;uint32_timage_size;10.-/*11.-*Normallywewouldload4KBofnandtoSRAMandjumpthere,but12.-*itisnotworkingperfectlyasexpected,sowecheatandload13.-*itfromnanddirectlyrelocatedto0x33f80000andjumpthere14.-*/15.-if(mini2440_load_from_nand(s->nand,0,S3C_RAM_BASE|0x03f80000,256*116.-mini2440_printf(\);17.-s->cpu->env->regs[15]=S3C_RAM_BASE|0x03f80000;/*startaddr18.-}19.-#if0/*startaddress22.-mini2440_printf(\23.-}24.-#endif25.:26.diff--gita/hw/mini2440.cb/hw/mini2440.c27.index5decf4b..7a70aae10064428.a/hw/mini2440.c29.+++b/hw/mini2440.c30.@@-258,46+258,15@@staticvoidmini2440_reset(void*opaque)31.structmini2440_board_s*s=(structmini2440_board_s*)opaque;32.uint32_timage_size;33.34.-/*35.-*Normallywewouldload4KBofnandtoSRAMandjumpthere,but36.-*itisnotworkingperfectlyasexpected,sowecheatandload37.-*itfromnanddirectlyrelocatedto0x33f80000andjumpthere38.-*/

39.-if(mini2440_load_from_nand(s->nand,0,S3C_RAM_BASE|0x03f80000,256*1040.-mini2440_printf(\);41.-s->cpu->env->regs[15]=S3C_RAM_BASE|0x03f80000;/*startaddre42.-}43.-#if0/*startaddress,46.-mini2440_printf(\47.-}48.-#endif49.-/*50.:51.diff--gita/hw/mini2440.cb/hw/mini2440.c52.index5decf4b..7a70aae10064453.a/hw/mini2440.c54.+++b/hw/mini2440.c55.@@-258,46+258,15@@staticvoidmini2440_reset(void*opaque)56.structmini2440_board_s*s=(structmini2440_board_s*)opaque;57.uint32_timage_size;58.59.-/*60.-*Normallywewouldload4KBofnandtoSRAMandjumpthere,but61.-*itisnotworkingperfectlyasexpected,sowecheatandload62.-*itfromnanddirectlyrelocatedto0x33f80000andjumpthere63.-*/64.-if(mini2440_load_from_nand(s->nand,0,S3C_RAM_BASE|0x03f80000,256*10265.-mini2440_printf(\);66.-s->cpu->env->regs[15]=S3C_RAM_BASE|0x03f80000;/*startaddres67.-}68.-#if0/*startaddress,71.-mini2440_printf(\72.-}73.-#endif74.-/*75.-*ifau--bootisavailableasafile,wealwaysuseit76.:77.diff--gita/hw/mini2440.cb/hw/mini2440.c78.index5decf4b..7a70aae10064479.a/hw/mini2440.c80.+++b/hw/mini2440.c81.@@-258,46+258,15@@staticvoidmini2440_reset(void*opaque)82.structmini2440_board_s*s=(structmini2440_board_s*)opaque;

83.uint32_timage_size;84.85.-/*86.-*Normallywewouldload4KBofnandtoSRAMandjumpthere,but87.-*itisnotworkingperfectlyasexpected,sowecheatandload88.-*itfromnanddirectlyrelocatedto0x33f80000andjumpthere89.-*/90.-if(mini2440_load_from_nand(s->nand,0,S3C_RAM_BASE|0x03f80000,256*1024)>91.-mini2440_printf(\);92.-s->cpu->env->regs[15]=S3C_RAM_BASE|0x03f80000;/*startaddress,93.-}94.-#if0/*startaddress,u-b97.-mini2440_printf(\98.-}99.-#endif100.-/*101.-*ifau--bootisavailableasafile,wealwaysuseit102.-*/103.-{104.-image_size=load_image(\,qemu_get_ram_ptr(0x03f8000105.:106.diff--gita/hw/mini2440.cb/hw/mini2440.c107.index5decf4b..7a70aae100644108.a/hw/mini2440.c109.+++b/hw/mini2440.c110.@@-258,46+258,15@@staticvoidmini2440_reset(void*opaque)111.structmini2440_board_s*s=(structmini2440_board_s*)opaque;112.uint32_timage_size;113.114.-/*115.-*Normallywewouldload4KBofnandtoSRAMandjumpthere,but116.-*itisnotworkingperfectlyasexpected,sowecheatandload117.-*itfromnanddirectlyrelocatedto0x33f80000andjumpthere118.-*/119.-if(mini2440_load_from_nand(s->nand,0,S3C_RAM_BASE|0x03f80000,256*1024)>0)120.-mini2440_printf(\);121.-s->cpu->env->regs[15]=S3C_RAM_BASE|0x03f80000;/*startaddress,u-b122.-}123.-#if0/*startaddress,u-boot126.-mini2440_printf(\

127.-}128.-#endif129.-/*130.-*ifau--bootisavailableasafile,wealwaysuseit131.-*/132.-{133.-image_size=load_image(\,qemu_get_ram_ptr(0x03f80000))134.-if(image_size0){137.:138.diff--gita/hw/mini2440.cb/hw/mini2440.c139.index5decf4b..7a70aae100644140.a/hw/mini2440.c141.+++b/hw/mini2440.c142.@@-258,46+258,15@@staticvoidmini2440_reset(void*opaque)143.structmini2440_board_s*s=(structmini2440_board_s*)opaque;144.uint32_timage_size;145.146.-/*147.-*Normallywewouldload4KBofnandtoSRAMandjumpthere,but148.-*itisnotworkingperfectlyasexpected,sowecheatandload149.-*itfromnanddirectlyrelocatedto0x33f80000andjumpthere150.-*/151.-if(mini2440_load_from_nand(s->nand,0,S3C_RAM_BASE|0x03f80000,256*1024)>0){152.-mini2440_printf(\);153.-s->cpu->env->regs[15]=S3C_RAM_BASE|0x03f80000;/*startaddress,u-boot154.-}155.-#if0/*startaddress,u-bootrel158.-mini2440_printf(\159.-}160.-#endif161.-/*162.-*ifau--bootisavailableasafile,wealwaysuseit163.-*/164.-{165.-image_size=load_image(\,qemu_get_ram_ptr(0x03f80000));166.-if(image_size0){169.-if(image_size171.-mini2440_printf(\172.:173.diff--gita/hw/mini2440.cb/hw/mini2440.c174.index5decf4b..7a70aae100644175.a/hw/mini2440.c176.+++b/hw/mini2440.c177.@@-258,46+258,15@@staticvoidmini2440_reset(void*opaque)178.structmini2440_board_s*s=(structmini2440_board_s*)opaque;179.uint32_timage_size;180.181.-/*182.-*Normallywewouldload4KBofnandtoSRAMandjumpthere,but183.-*itisnotworkingperfectlyasexpected,sowecheatandload184.-*itfromnanddirectlyrelocatedto0x33f80000andjumpthere185.-*/186.-if(mini2440_load_from_nand(s->nand,0,S3C_RAM_BASE|0x03f80000,256*1024)>0){187.-mini2440_printf(\);188.-s->cpu->env->regs[15]=S3C_RAM_BASE|0x03f80000;/*startaddress,u-bootalrea189.-}190.-#if0/*startaddress,u-bootrelocati193.-mini2440_printf(\194.-}195.-#endif196.-/*197.-*ifau--bootisavailableasafile,wealwaysuseit198.-*/199.-{200.-image_size=load_image(\,qemu_get_ram_ptr(0x03f80000));201.-if(image_size0){204.-if(image_size&(512-1))/*roundsizetoaNANDblocksize*/

205.-image_size=(image_size+512)206.-mini2440_printf(\,image_size);207.-s->cpu->env->regs[15]=S3C_RAM_BASE|0x03f80000;/*startaddress,u-boot208.-}209.-}210.:211.diff--gita/hw/mini2440.cb/hw/mini2440.c212.index5decf4b..7a70aae100644213.a/hw/mini2440.c214.+++b/hw/mini2440.c215.@@-258,46+258,15@@staticvoidmini2440_reset(void*opaque)216.structmini2440_board_s*s=(structmini2440_board_s*)opaque;217.uint32_timage_size;218.219.-/*220.-*Normallywewouldload4KBofnandtoSRAMandjumpthere,but221.-*itisnotworkingperfectlyasexpected,sowecheatandload222.-*itfromnanddirectlyrelocatedto0x33f80000andjumpthere223.-*/224.-if(mini2440_load_from_nand(s->nand,0,S3C_RAM_BASE|0x03f80000,256*1024)>0){225.-mini2440_printf(\);226.-s->cpu->env->regs[15]=S3C_RAM_BASE|0x03f80000;/*startaddress,u-bootalreadyrelo227.-}228.-#if0/*startaddress,u-bootrelocatingcode231.-mini2440_printf(\232.-}233.-#endif234.-/*235.-*ifau--bootisavailableasafile,wealwaysuseit236.-*/237.-{238.-image_size=load_image(\,qemu_get_ram_ptr(0x03f80000));239.-if(image_size0){

242.-if(image_size244.-mini2440_printf(\,image_size);245.-s->cpu->env->regs[15]=S3C_RAM_BASE|0x03f80000;/*startaddress,u-bootalready246.-}247.-}248.-/*249.-*ifakernelwasexplicitlyspecified,weloadittoo250.-*/251.-if(s->kernel){252.-image_size=load_image(s->kernel,qemu_get_ram_ptr(0x02000000));253.:254.diff--gita/hw/mini2440.cb/hw/mini2440.c255.index5decf4b..7a70aae100644256.a/hw/mini2440.c257.+++b/hw/mini2440.c258.@@-258,46+258,15@@staticvoidmini2440_reset(void*opaque)259.structmini2440_board_s*s=(structmini2440_board_s*)opaque;260.uint32_timage_size;261.262.-/*263.-*Normallywewouldload4KBofnandtoSRAMandjumpthere,but264.-*itisnotworkingperfectlyasexpected,sowecheatandload265.-*itfromnanddirectlyrelocatedto0x33f80000andjumpthere266.-*/267.-if(mini2440_load_from_nand(s->nand,0,S3C_RAM_BASE|0x03f80000,256*1024)>0){268.-mini2440_printf(\);269.-s->cpu->env->regs[15]=S3C_RAM_BASE|0x03f80000;/*startaddress,u-bootalreadyrelocated270.-}271.-#if0/*startaddress,u-bootrelocatingcode*/274.-mini2440_printf(\);275.-}276.-#endif277.-/*278.-*ifau--bootisavailableasafile,wealwaysuseit

279.-*/280.-{281.-image_size=load_image(\,qemu_get_ram_ptr(0x03f80000));282.-if(image_size0){285.-if(image_size287.-mini2440_printf(\,image_size);288.-s->cpu->env->regs[15]=S3C_RAM_BASE|0x03f80000;/*startaddress,u-bootalreadyreloc289.-}290.-}291.-/*292.-*ifakernelwasexplicitlyspecified,weloadittoo293.-*/294.-if(s->kernel){295.-image_size=load_image(s->kernel,qemu_get_ram_ptr(0x02000000));296.-if(image_size>0){297.-if(image_size305.uint32_timage_size;306.307.-/*308.-*Normallywewouldload4KBofnandtoSRAMandjumpthere,but309.-*itisnotworkingperfectlyasexpected,sowecheatandload310.-*itfromnanddirectlyrelocatedto0x33f80000andjumpthere311.-*/312.-if(mini2440_load_from_nand(s->nand,0,S3C_RAM_BASE|0x03f80000,256*1024)>0){313.-mini2440_printf(\);314.-s->cpu->env->regs[15]=S3C_RAM_BASE|0x03f80000;/*startaddress,u-bootalreadyrelocated*315.-}316.-#if0/*startaddress,u-bootrelocatingcode*/319.-mini2440_printf(\);320.-}321.-#endif322.-/*323.-*ifau--bootisavailableasafile,wealwaysuseit324.-*/325.-{326.-image_size=load_image(\,qemu_get_ram_ptr(0x03f80000));327.-if(image_size0){330.-if(image_size332.-mini2440_printf(\,image_size);333.-s->cpu->env->regs[15]=S3C_RAM_BASE|0x03f80000;/*startaddress,u-bootalreadyreloca334.-}335.-}336.-/*337.-*ifakernelwasexplicitlyspecified,weloadittoo338.-*/339.-if(s->kernel){340.-image_size=load_image(s->kernel,qemu_get_ram_ptr(0x02000000));341.-if(image_size>0){342.-if(image_size344.:345.diff--gita/hw/mini2440.cb/hw/mini2440.c346.index5decf4b..7a70aae100644347.a/hw/mini2440.c348.+++b/hw/mini2440.c349.@@-258,46+258,15@@staticvoidmini2440_reset(void*opaque)350.structmini2440_board_s*s=(structmini2440_board_s*)opaque;351.uint32_timage_size;352.353.-/*354.-*Normallywewouldload4K