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sys/powerpc/ofw/ofw_machdep.c
| Context not available. | |||||
| int ofwcall(void *); | int ofwcall(void *); | ||||
| static int openfirmware(void *args); | static int openfirmware(void *args); | ||||
| void *first_trap; | |||||
| __inline void | __inline void | ||||
| ofw_save_trap_vec(char *save_trap_vec) | ofw_save_trap_vec(char *save_trap_vec) | ||||
| { | { | ||||
| if (!ofw_real_mode) | if (!ofw_real_mode || !hw_direct_map) | ||||
| return; | return; | ||||
| bcopy((void *)EXC_RST, save_trap_vec, EXC_LAST - EXC_RST); | bcopy((void *)PHYS_TO_DMAP(EXC_RST), save_trap_vec, EXC_LAST - EXC_RST); | ||||
| } | } | ||||
| static __inline void | static __inline void | ||||
| ofw_restore_trap_vec(char *restore_trap_vec) | ofw_restore_trap_vec(char *restore_trap_vec) | ||||
| { | { | ||||
| if (!ofw_real_mode) | if (!ofw_real_mode || !hw_direct_map) | ||||
| return; | return; | ||||
| bcopy(restore_trap_vec, (void *)EXC_RST, EXC_LAST - EXC_RST); | bcopy(restore_trap_vec, (void *)PHYS_TO_DMAP(EXC_RST), | ||||
| EXC_LAST - EXC_RST); | |||||
| __syncicache(EXC_RSVD, EXC_LAST - EXC_RSVD); | __syncicache(EXC_RSVD, EXC_LAST - EXC_RSVD); | ||||
| } | } | ||||
| Context not available. | |||||
| #endif | #endif | ||||
| fdt = fdt_ptr; | fdt = fdt_ptr; | ||||
| #ifdef FDT_DTB_STATIC | |||||
| /* Check for a statically included blob */ | |||||
| if (fdt == NULL) | |||||
| fdt = &fdt_static_dtb; | |||||
| #endif | |||||
| } | } | ||||
| boolean_t | boolean_t | ||||
| Context not available. | |||||
| } else | } else | ||||
| #endif | #endif | ||||
| if (fdt != NULL) { | if (fdt != NULL) { | ||||
| bus_space_tag_t fdt_bt; | |||||
| vm_offset_t tmp_fdt_ptr; | |||||
| vm_size_t fdt_size; | |||||
| uintptr_t fdt_va; | |||||
| status = OF_install(OFW_FDT, 0); | status = OF_install(OFW_FDT, 0); | ||||
| if (status != TRUE) | if (status != TRUE) | ||||
| return status; | return status; | ||||
| err = OF_init(fdt); | /* Get the FDT size for mapping if we can */ | ||||
| tmp_fdt_ptr = pmap_early_io_map((vm_paddr_t)fdt, PAGE_SIZE); | |||||
| if (fdt_check_header((void *)tmp_fdt_ptr) != 0) { | |||||
| pmap_early_io_unmap(tmp_fdt_ptr, PAGE_SIZE); | |||||
| return FALSE; | |||||
| } | |||||
| fdt_size = fdt_totalsize((void *)tmp_fdt_ptr); | |||||
| pmap_early_io_unmap(tmp_fdt_ptr, PAGE_SIZE); | |||||
| /* | |||||
| * Map this for real. Use bus_space_map() to take advantage | |||||
| * of its auto-remapping function once the kernel is loaded. | |||||
| * This is a dirty hack, but what we have. | |||||
| */ | |||||
| #ifdef _LITTLE_ENDIAN | |||||
| fdt_bt = &bs_le_tag; | |||||
| #else | |||||
| fdt_bt = &bs_be_tag; | |||||
| #endif | |||||
| bus_space_map(fdt_bt, (vm_paddr_t)fdt, fdt_size, 0, &fdt_va); | |||||
| err = OF_init((void *)fdt_va); | |||||
| } | } | ||||
| #ifdef FDT_DTB_STATIC | |||||
| /* | |||||
| * Check for a statically included blob already in the kernel and | |||||
| * needing no mapping. | |||||
| */ | |||||
| else { | |||||
| status = OF_install(OFW_FDT, 0); | |||||
| if (status != TRUE) | |||||
| return status; | |||||
| err = OF_init(&fdt_static_dtb); | |||||
| } | |||||
| #endif | |||||
| if (err != 0) { | if (err != 0) { | ||||
| OF_install(NULL, 0); | OF_install(NULL, 0); | ||||
| status = FALSE; | status = FALSE; | ||||
| Context not available. | |||||