Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #include <linux/mmdebug.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <asm/page.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <asm/sections.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) phys_addr_t __virt_to_phys(unsigned long x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	phys_addr_t y = x - PAGE_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	 * Boundary checking aginst the kernel linear mapping space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	WARN(y >= KERN_VIRT_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	     "virt_to_phys used for non-linear address: %pK (%pS)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	     (void *)x, (void *)x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	return __va_to_pa_nodebug(x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) EXPORT_SYMBOL(__virt_to_phys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) phys_addr_t __phys_addr_symbol(unsigned long x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	unsigned long kernel_start = (unsigned long)PAGE_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	unsigned long kernel_end = (unsigned long)_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	 * Boundary checking aginst the kernel image mapping.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	 * __pa_symbol should only be used on kernel symbol addresses.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	VIRTUAL_BUG_ON(x < kernel_start || x > kernel_end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	return __va_to_pa_nodebug(x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) EXPORT_SYMBOL(__phys_addr_symbol);