static int tima_setup_rkp_mem(void){ #ifdef CONFIG_NO_BOOTMEM if (memblock_is_region_reserved(TIMA_DEBUG_LOG_START, TIMA_DEBUG_LOG_SIZE) || memblock_reserve(TIMA_DEBUG_LOG_START, TIMA_DEBUG_LOG_SIZE)) { #else if(reserve_bootmem(TIMA_DEBUG_LOG_START, TIMA_DEBUG_LOG_SIZE, BOOTMEM_EXCLUSIVE)){ #endif pr_err("%s: RKP failed reserving size %d " \ "at base 0x%x\n", __func__, TIMA_DEBUG_LOG_SIZE, TIMA_DEBUG_LOG_START); goto out; } pr_info("RKP :%s, base:%x, size:%x \n", __func__,TIMA_DEBUG_LOG_START, TIMA_DEBUG_LOG_SIZE); #ifdef CONFIG_NO_BOOTMEM if (memblock_is_region_reserved(TIMA_SEC_LOG, TIMA_SEC_LOG_SIZE) || memblock_reserve(TIMA_SEC_LOG, TIMA_SEC_LOG_SIZE)) { #else if(reserve_bootmem(TIMA_SEC_LOG, TIMA_SEC_LOG_SIZE, BOOTMEM_EXCLUSIVE)){ #endif pr_err("%s: RKP failed reserving size %d " \ "at base 0x%x\n", __func__, TIMA_SEC_LOG_SIZE, TIMA_SEC_LOG); goto out; } pr_info("RKP :%s, base:%x, size:%x \n", __func__,TIMA_SEC_LOG, TIMA_SEC_LOG_SIZE); #ifdef CONFIG_NO_BOOTMEM if (memblock_is_region_reserved(TIMA_PHYS_MAP, TIMA_PHYS_MAP_SIZE) || memblock_reserve(TIMA_PHYS_MAP, TIMA_PHYS_MAP_SIZE)) { #else if(reserve_bootmem(TIMA_PHYS_MAP, TIMA_PHYS_MAP_SIZE, BOOTMEM_EXCLUSIVE)){ #endif pr_err("%s: RKP failed reserving size %d " \ "at base 0x%x\n", __func__, TIMA_PHYS_MAP_SIZE, TIMA_PHYS_MAP); goto out; } pr_info("RKP :%s, base:%x, size:%x \n", __func__,TIMA_PHYS_MAP, TIMA_PHYS_MAP_SIZE); #ifdef CONFIG_NO_BOOTMEM if (memblock_is_region_reserved(TIMA_DASHBOARD_START, TIMA_DASHBOARD_SIZE) || memblock_reserve(TIMA_DASHBOARD_START, TIMA_DASHBOARD_SIZE)) { #else if(reserve_bootmem(TIMA_DASHBOARD_START, TIMA_DASHBOARD_SIZE, BOOTMEM_EXCLUSIVE)){ #endif pr_err("%s: RKP failed reserving size %d " \ "at base 0x%x\n", __func__, TIMA_DASHBOARD_SIZE, TIMA_DASHBOARD_START); goto out; } pr_info("RKP :%s, base:%x, size:%x \n", __func__,TIMA_DASHBOARD_START, TIMA_DASHBOARD_SIZE); #ifdef CONFIG_NO_BOOTMEM if (memblock_is_region_reserved(TIMA_ROBUF_START, TIMA_ROBUF_SIZE) || memblock_reserve(TIMA_ROBUF_START, TIMA_ROBUF_SIZE)) { #else if(reserve_bootmem(TIMA_ROBUF_START, TIMA_ROBUF_SIZE, BOOTMEM_EXCLUSIVE)){ #endif pr_err("%s: RKP failed reserving size %d " \ "at base 0x%x\n", __func__, TIMA_ROBUF_SIZE, TIMA_ROBUF_START); goto out; } pr_info("RKP :%s, base:%x, size:%x \n", __func__,TIMA_ROBUF_START, TIMA_ROBUF_SIZE); #ifdef CONFIG_NO_BOOTMEM if (memblock_is_region_reserved(TIMA_VMM_START, TIMA_VMM_SIZE) || memblock_reserve(TIMA_VMM_START, TIMA_VMM_SIZE)) { #else if(reserve_bootmem(TIMA_VMM_START, TIMA_VMM_SIZE, BOOTMEM_EXCLUSIVE)){ #endif pr_err("%s: RKP failed reserving size %d " \ "at base 0x%x\n", __func__, TIMA_VMM_SIZE, TIMA_VMM_START); goto out; } pr_info("RKP :%s, base:%x, size:%x \n", __func__,TIMA_VMM_START, TIMA_VMM_SIZE); return 1; out: return 0; } #else /* !CONFIG_TIMA_RKP*/ static int tima_setup_rkp_mem(void){ return 1; } #endif static int __init sec_tima_log_setup(char *str) { unsigned size = memparse(str, &str); unsigned long base = 0; /* If we encounter any problem parsing str ... */ if (!size || size != roundup_pow_of_two(size) || *str != '@' || kstrtoul(str + 1, 0, &base)) goto out; #ifdef CONFIG_NO_BOOTMEM if (memblock_is_region_reserved(base, size) || memblock_reserve(base, size)) { #else if (reserve_bootmem(base , size, BOOTMEM_EXCLUSIVE)) { #endif pr_err("%s: failed reserving size %d " \ "at base 0x%lx\n", __func__, size, base); goto out; } pr_info("tima :%s, base:%lx, size:%x \n", __func__,base, size); tima_debug_logging_start = base; if( !tima_setup_rkp_mem()) goto out; return 1; out: return 0; } __setup("sec_tima_log=", sec_tima_log_setup); ssize_t tima_read(struct file *filep, char __user *buf, size_t size, loff_t *offset) { /* First check is to get rid of integer overflow exploits */ if (size > DEBUG_LOG_SIZE || (*offset) + size > DEBUG_LOG_SIZE) { printk(KERN_ERR"Extra read\n"); return -EINVAL; } if (!strcmp(filep->f_path.dentry->d_iname, "tima_secure_log")) tima_log_addr = tima_secure_log_addr; else if( !strcmp(filep->f_path.dentry->d_iname, "tima_debug_log")) tima_log_addr = tima_debug_log_addr; #ifdef CONFIG_TIMA_RKP else if( !strcmp(filep->f_path.dentry->d_iname, "tima_debug_rkp_log")) tima_log_addr = tima_debug_rkp_log_addr; else tima_log_addr = tima_secure_rkp_log_addr; #endif if (copy_to_user(buf, (const char *)tima_log_addr + (*offset), size)) { printk(KERN_ERR"Copy to user failed\n"); return -1; } else { *offset += size; return size; } } static const struct file_operations tima_proc_fops = { .read = tima_read, }; /** * tima_debug_log_read_init - Initialization function for TIMA * * It creates and initializes tima proc entry with initialized read handler */ static int __init tima_debug_log_read_init(void) { unsigned long tima_secure_logging_start = 0; tima_secure_logging_start = tima_debug_logging_start + DEBUG_LOG_SIZE; if (proc_create("tima_debug_log", 0644,NULL, &tima_proc_fops) == NULL) { printk(KERN_ERR"tima_debug_log_read_init: Error creating proc entry\n"); goto error_return; } if (proc_create("tima_secure_log", 0644,NULL, &tima_proc_fops) == NULL) { printk(KERN_ERR"tima_secure_log_read_init: Error creating proc entry\n"); goto remove_debug_entry; } printk(KERN_INFO"tima_debug_log_read_init: Registering /proc/tima_debug_log Interface \n"); #ifdef CONFIG_TIMA_RKP if (proc_create("tima_debug_rkp_log", 0644,NULL, &tima_proc_fops) == NULL) { printk(KERN_ERR"tima_debug_rkp_log_read_init: Error creating proc entry\n"); goto remove_secure_entry; } if (proc_create("tima_secure_rkp_log", 0644,NULL, &tima_proc_fops) == NULL) { printk(KERN_ERR"tima_secure_rkp_log_read_init: Error creating proc entry\n"); goto remove_debug_rkp_entry; } #endif tima_debug_log_addr = (unsigned long *)phys_to_virt(tima_debug_logging_start); tima_secure_log_addr = (unsigned long *)phys_to_virt(tima_secure_logging_start); #ifdef CONFIG_TIMA_RKP tima_debug_rkp_log_addr = (unsigned long *)phys_to_virt(DEBUG_RKP_LOG_START); tima_secure_rkp_log_addr = (unsigned long *)phys_to_virt(SECURE_RKP_LOG_START); #endif return 0; #ifdef CONFIG_TIMA_RKP remove_debug_rkp_entry: remove_proc_entry("tima_debug_rkp_log", NULL); remove_secure_entry: remove_proc_entry("tima_secure_log", NULL); #endif remove_debug_entry: remove_proc_entry("tima_debug_log", NULL); error_return: return -1; } /** * tima_debug_log_read_exit - Cleanup Code for TIMA * * It removes /proc/tima proc entry and does the required cleanup operations */ static void __exit tima_debug_log_read_exit(void) { remove_proc_entry("tima_debug_log", NULL); remove_proc_entry("tima_secure_log", NULL); #ifdef CONFIG_TIMA_RKP remove_proc_entry("tima_debug_rkp_log", NULL); remove_proc_entry("tima_secure_rkp_log", NULL); #endif printk(KERN_INFO"Deregistering /proc/tima_debug_log Interface\n"); } module_init(tima_debug_log_read_init); module_exit(tima_debug_log_read_exit); MODULE_DESCRIPTION(DRIVER_DESC);
void sti_putc(struct sti_struct *sti, int c, int y, int x) { struct sti_font_inptr inptr = { .font_start_addr= STI_PTR(sti->font->raw), .index = c_index(sti, c), .fg_color = c_fg(sti, c), .bg_color = c_bg(sti, c), .dest_x = x * sti->font_width, .dest_y = y * sti->font_height, }; struct sti_font_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->font_unpmv, &default_font_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } static const struct sti_blkmv_flags clear_blkmv_flags = { .wait = STI_WAIT, .color = 1, .clear = 1, }; void sti_set(struct sti_struct *sti, int src_y, int src_x, int height, int width, u8 color) { struct sti_blkmv_inptr inptr = { .fg_color = color, .bg_color = color, .src_x = src_x, .src_y = src_y, .dest_x = src_x, .dest_y = src_y, .width = width, .height = height, }; struct sti_blkmv_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->block_move, &clear_blkmv_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } void sti_clear(struct sti_struct *sti, int src_y, int src_x, int height, int width, int c) { struct sti_blkmv_inptr inptr = { .fg_color = c_fg(sti, c), .bg_color = c_bg(sti, c), .src_x = src_x * sti->font_width, .src_y = src_y * sti->font_height, .dest_x = src_x * sti->font_width, .dest_y = src_y * sti->font_height, .width = width * sti->font_width, .height = height* sti->font_height, }; struct sti_blkmv_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->block_move, &clear_blkmv_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } static const struct sti_blkmv_flags default_blkmv_flags = { .wait = STI_WAIT, }; void sti_bmove(struct sti_struct *sti, int src_y, int src_x, int dst_y, int dst_x, int height, int width) { struct sti_blkmv_inptr inptr = { .src_x = src_x * sti->font_width, .src_y = src_y * sti->font_height, .dest_x = dst_x * sti->font_width, .dest_y = dst_y * sti->font_height, .width = width * sti->font_width, .height = height* sti->font_height, }; struct sti_blkmv_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->block_move, &default_blkmv_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } /* FIXME: Do we have another solution for this ? */ static void sti_flush(unsigned long from, unsigned long len) { flush_data_cache(); flush_kernel_dcache_range(from, len); flush_icache_range(from, from+len); } void __init sti_rom_copy(unsigned long base, unsigned long count, void *dest) { unsigned long dest_len = count; unsigned long dest_start = (unsigned long) dest; /* this still needs to be revisited (see arch/parisc/mm/init.c:246) ! */ while (count >= 4) { count -= 4; *(u32 *)dest = gsc_readl(base); base += 4; dest += 4; } while (count) { count--; *(u8 *)dest = gsc_readb(base); base++; dest++; } sti_flush(dest_start, dest_len); } static char default_sti_path[21] __read_mostly; #ifndef MODULE static int __init sti_setup(char *str) { if (str) strlcpy (default_sti_path, str, sizeof (default_sti_path)); return 1; } /* Assuming the machine has multiple STI consoles (=graphic cards) which * all get detected by sticon, the user may define with the linux kernel * parameter sti=<x> which of them will be the initial boot-console. * <x> is a number between 0 and MAX_STI_ROMS, with 0 as the default * STI screen. */ __setup("sti=", sti_setup); #endif static char __initdata *font_name[MAX_STI_ROMS] = { "VGA8x16", }; static int __initdata font_index[MAX_STI_ROMS], font_height[MAX_STI_ROMS], font_width[MAX_STI_ROMS]; #ifndef MODULE static int __init sti_font_setup(char *str) { char *x; int i = 0; /* we accept sti_font=VGA8x16, sti_font=10x20, sti_font=10*20 * or sti_font=7 style command lines. */ while (i<MAX_STI_ROMS && str && *str) { if (*str>='0' && *str<='9') { if ((x = strchr(str, 'x')) || (x = strchr(str, '*'))) { font_height[i] = simple_strtoul(str, NULL, 0); font_width[i] = simple_strtoul(x+1, NULL, 0); } else { font_index[i] = simple_strtoul(str, NULL, 0); } } else { font_name[i] = str; /* fb font name */ } if ((x = strchr(str, ','))) *x++ = 0; str = x; i++; } return 1; } /* The optional linux kernel parameter "sti_font" defines which font * should be used by the sticon driver to draw characters to the screen. * Possible values are: * - sti_font=<fb_fontname>: * <fb_fontname> is the name of one of the linux-kernel built-in * framebuffer font names (e.g. VGA8x16, SUN22x18). * This is only available if the fonts have been statically compiled * in with e.g. the CONFIG_FONT_8x16 or CONFIG_FONT_SUN12x22 options. * - sti_font=<number> * most STI ROMs have built-in HP specific fonts, which can be selected * by giving the desired number to the sticon driver. * NOTE: This number is machine and STI ROM dependend. * - sti_font=<height>x<width> (e.g. sti_font=16x8) * <height> and <width> gives hints to the height and width of the * font which the user wants. The sticon driver will try to use * a font with this height and width, but if no suitable font is * found, sticon will use the default 8x8 font. */ __setup("sti_font=", sti_font_setup); #endif static void __init sti_dump_globcfg(struct sti_glob_cfg *glob_cfg, unsigned int sti_mem_request) { struct sti_glob_cfg_ext *cfg; DPRINTK((KERN_INFO "%d text planes\n" "%4d x %4d screen resolution\n" "%4d x %4d offscreen\n" "%4d x %4d layout\n" "regions at %08x %08x %08x %08x\n" "regions at %08x %08x %08x %08x\n" "reent_lvl %d\n" "save_addr %08x\n", glob_cfg->text_planes, glob_cfg->onscreen_x, glob_cfg->onscreen_y, glob_cfg->offscreen_x, glob_cfg->offscreen_y, glob_cfg->total_x, glob_cfg->total_y, glob_cfg->region_ptrs[0], glob_cfg->region_ptrs[1], glob_cfg->region_ptrs[2], glob_cfg->region_ptrs[3], glob_cfg->region_ptrs[4], glob_cfg->region_ptrs[5], glob_cfg->region_ptrs[6], glob_cfg->region_ptrs[7], glob_cfg->reent_lvl, glob_cfg->save_addr)); /* dump extended cfg */ cfg = PTR_STI((unsigned long)glob_cfg->ext_ptr); DPRINTK(( KERN_INFO "monitor %d\n" "in friendly mode: %d\n" "power consumption %d watts\n" "freq ref %d\n" "sti_mem_addr %08x (size=%d bytes)\n", cfg->curr_mon, cfg->friendly_boot, cfg->power, cfg->freq_ref, cfg->sti_mem_addr, sti_mem_request)); } static void __init sti_dump_outptr(struct sti_struct *sti) { DPRINTK((KERN_INFO "%d bits per pixel\n" "%d used bits\n" "%d planes\n" "attributes %08x\n", sti->outptr.bits_per_pixel, sti->outptr.bits_used, sti->outptr.planes, sti->outptr.attributes)); }
void sti_putc(struct sti_struct *sti, int c, int y, int x) { struct sti_font_inptr inptr = { .font_start_addr= STI_PTR(sti->font->raw), .index = c_index(sti, c), .fg_color = c_fg(sti, c), .bg_color = c_bg(sti, c), .dest_x = x * sti->font_width, .dest_y = y * sti->font_height, }; struct sti_font_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->font_unpmv, &default_font_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } static const struct sti_blkmv_flags clear_blkmv_flags = { .wait = STI_WAIT, .color = 1, .clear = 1, }; void sti_set(struct sti_struct *sti, int src_y, int src_x, int height, int width, u8 color) { struct sti_blkmv_inptr inptr = { .fg_color = color, .bg_color = color, .src_x = src_x, .src_y = src_y, .dest_x = src_x, .dest_y = src_y, .width = width, .height = height, }; struct sti_blkmv_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->block_move, &clear_blkmv_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } void sti_clear(struct sti_struct *sti, int src_y, int src_x, int height, int width, int c) { struct sti_blkmv_inptr inptr = { .fg_color = c_fg(sti, c), .bg_color = c_bg(sti, c), .src_x = src_x * sti->font_width, .src_y = src_y * sti->font_height, .dest_x = src_x * sti->font_width, .dest_y = src_y * sti->font_height, .width = width * sti->font_width, .height = height* sti->font_height, }; struct sti_blkmv_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->block_move, &clear_blkmv_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } static const struct sti_blkmv_flags default_blkmv_flags = { .wait = STI_WAIT, }; void sti_bmove(struct sti_struct *sti, int src_y, int src_x, int dst_y, int dst_x, int height, int width) { struct sti_blkmv_inptr inptr = { .src_x = src_x * sti->font_width, .src_y = src_y * sti->font_height, .dest_x = dst_x * sti->font_width, .dest_y = dst_y * sti->font_height, .width = width * sti->font_width, .height = height* sti->font_height, }; struct sti_blkmv_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->block_move, &default_blkmv_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } static void sti_flush(unsigned long start, unsigned long end) { flush_icache_range(start, end); } static void __devinit sti_rom_copy(unsigned long base, unsigned long count, void *dest) { unsigned long dest_start = (unsigned long) dest; /* this still needs to be revisited (see arch/parisc/mm/init.c:246) ! */ while (count >= 4) { count -= 4; *(u32 *)dest = gsc_readl(base); base += 4; dest += 4; } while (count) { count--; *(u8 *)dest = gsc_readb(base); base++; dest++; } sti_flush(dest_start, (unsigned long)dest); } static char default_sti_path[21] __read_mostly; #ifndef MODULE static int __devinit sti_setup(char *str) { if (str) strlcpy (default_sti_path, str, sizeof (default_sti_path)); return 1; } __setup("sti=", sti_setup); #endif static char __devinitdata *font_name[MAX_STI_ROMS] = { "VGA8x16", }; static int __devinitdata font_index[MAX_STI_ROMS], font_height[MAX_STI_ROMS], font_width[MAX_STI_ROMS]; #ifndef MODULE static int __devinit sti_font_setup(char *str) { char *x; int i = 0; /* we accept sti_font=VGA8x16, sti_font=10x20, sti_font=10*20 * or sti_font=7 style command lines. */ while (i<MAX_STI_ROMS && str && *str) { if (*str>='0' && *str<='9') { if ((x = strchr(str, 'x')) || (x = strchr(str, '*'))) { font_height[i] = simple_strtoul(str, NULL, 0); font_width[i] = simple_strtoul(x+1, NULL, 0); } else { font_index[i] = simple_strtoul(str, NULL, 0); } } else { font_name[i] = str; /* fb font name */ } if ((x = strchr(str, ','))) *x++ = 0; str = x; i++; } return 1; } __setup("sti_font=", sti_font_setup); #endif static void __devinit sti_dump_globcfg(struct sti_glob_cfg *glob_cfg, unsigned int sti_mem_request) { struct sti_glob_cfg_ext *cfg; DPRINTK((KERN_INFO "%d text planes\n" "%4d x %4d screen resolution\n" "%4d x %4d offscreen\n" "%4d x %4d layout\n" "regions at %08x %08x %08x %08x\n" "regions at %08x %08x %08x %08x\n" "reent_lvl %d\n" "save_addr %08x\n", glob_cfg->text_planes, glob_cfg->onscreen_x, glob_cfg->onscreen_y, glob_cfg->offscreen_x, glob_cfg->offscreen_y, glob_cfg->total_x, glob_cfg->total_y, glob_cfg->region_ptrs[0], glob_cfg->region_ptrs[1], glob_cfg->region_ptrs[2], glob_cfg->region_ptrs[3], glob_cfg->region_ptrs[4], glob_cfg->region_ptrs[5], glob_cfg->region_ptrs[6], glob_cfg->region_ptrs[7], glob_cfg->reent_lvl, glob_cfg->save_addr)); /* dump extended cfg */ cfg = PTR_STI((unsigned long)glob_cfg->ext_ptr); DPRINTK(( KERN_INFO "monitor %d\n" "in friendly mode: %d\n" "power consumption %d watts\n" "freq ref %d\n" "sti_mem_addr %08x (size=%d bytes)\n", cfg->curr_mon, cfg->friendly_boot, cfg->power, cfg->freq_ref, cfg->sti_mem_addr, sti_mem_request)); } static void __devinit sti_dump_outptr(struct sti_struct *sti) { DPRINTK((KERN_INFO "%d bits per pixel\n" "%d used bits\n" "%d planes\n" "attributes %08x\n", sti->outptr.bits_per_pixel, sti->outptr.bits_used, sti->outptr.planes, sti->outptr.attributes)); }