| prom.c (976e3645923bdd2fe7893aae33fd7a21098bfb28) | prom.c (e96d904ede6756641563d27daa746875b478a6c8) |
|---|---|
| 1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Procedures for creating, accessing and interpreting the device tree. 4 * 5 * Paul Mackerras August 1996. 6 * Copyright (C) 1996-2005 Paul Mackerras. 7 * 8 * Adapted for 64bit PowerPC by Dave Engebretsen and Peter Bergner. --- 82 unchanged lines hidden (view full) --- 91 * initrd. 92 */ 93static inline int overlaps_initrd(unsigned long start, unsigned long size) 94{ 95#ifdef CONFIG_BLK_DEV_INITRD 96 if (!initrd_start) 97 return 0; 98 | 1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Procedures for creating, accessing and interpreting the device tree. 4 * 5 * Paul Mackerras August 1996. 6 * Copyright (C) 1996-2005 Paul Mackerras. 7 * 8 * Adapted for 64bit PowerPC by Dave Engebretsen and Peter Bergner. --- 82 unchanged lines hidden (view full) --- 91 * initrd. 92 */ 93static inline int overlaps_initrd(unsigned long start, unsigned long size) 94{ 95#ifdef CONFIG_BLK_DEV_INITRD 96 if (!initrd_start) 97 return 0; 98 |
| 99 return (start + size) > _ALIGN_DOWN(initrd_start, PAGE_SIZE) && | 99 return (start + size) > ALIGN_DOWN(initrd_start, PAGE_SIZE) && |
| 100 start <= _ALIGN_UP(initrd_end, PAGE_SIZE); 101#else 102 return 0; 103#endif 104} 105 106/** 107 * move_device_tree - move tree to an unused area, if needed. --- 510 unchanged lines hidden (view full) --- 618 fdt_off_mem_rsvmap(initial_boot_params)); 619 620 /* Look for the new "reserved-regions" property in the DT */ 621 early_reserve_mem_dt(); 622 623#ifdef CONFIG_BLK_DEV_INITRD 624 /* Then reserve the initrd, if any */ 625 if (initrd_start && (initrd_end > initrd_start)) { | 100 start <= _ALIGN_UP(initrd_end, PAGE_SIZE); 101#else 102 return 0; 103#endif 104} 105 106/** 107 * move_device_tree - move tree to an unused area, if needed. --- 510 unchanged lines hidden (view full) --- 618 fdt_off_mem_rsvmap(initial_boot_params)); 619 620 /* Look for the new "reserved-regions" property in the DT */ 621 early_reserve_mem_dt(); 622 623#ifdef CONFIG_BLK_DEV_INITRD 624 /* Then reserve the initrd, if any */ 625 if (initrd_start && (initrd_end > initrd_start)) { |
| 626 memblock_reserve(_ALIGN_DOWN(__pa(initrd_start), PAGE_SIZE), | 626 memblock_reserve(ALIGN_DOWN(__pa(initrd_start), PAGE_SIZE), |
| 627 _ALIGN_UP(initrd_end, PAGE_SIZE) - | 627 _ALIGN_UP(initrd_end, PAGE_SIZE) - |
| 628 _ALIGN_DOWN(initrd_start, PAGE_SIZE)); | 628 ALIGN_DOWN(initrd_start, PAGE_SIZE)); |
| 629 } 630#endif /* CONFIG_BLK_DEV_INITRD */ 631 632#ifdef CONFIG_PPC32 633 /* 634 * Handle the case where we might be booting from an old kexec 635 * image that setup the mem_rsvmap as pairs of 32-bit values 636 */ --- 266 unchanged lines hidden --- | 629 } 630#endif /* CONFIG_BLK_DEV_INITRD */ 631 632#ifdef CONFIG_PPC32 633 /* 634 * Handle the case where we might be booting from an old kexec 635 * image that setup the mem_rsvmap as pairs of 32-bit values 636 */ --- 266 unchanged lines hidden --- |