Lines Matching +full:swap +full:- +full:bytes

4  * SPDX-License-Identifier: Apache-2.0
31 	return efi->acpi_rsdp;  in efi_get_acpi_rsdp()
46  * We need to swap in the original EFI page tables for this to work,
51  * plays with the IO-MMU... the posibilities are endless).  But
55  * system as-is; we already know it doesn't overlap with the EFI
59  * Similarly we need to swap the stack: EFI firmware was written in an
60  * environment where it would be running on multi-gigabyte systems and
62  * the problem of the red zone -- SysV reserves 128 bytes of
67  * still, best to swap stacks explicitly.)
73  * are also caller-save.  Technically X/YMM0-5 are caller-save too,
77  * the caller as spill space for the 4 register-passed arguments (this
78  * ABI is so weird...).  We also need two call-preserved scratch
93 	void *stack_top = &efi_stack[ARRAY_SIZE(efi_stack) - 4];  in efi_call()
97 	 * end of the interrupt. Try to prevent swap happening.  in efi_call()
110 			 : "c"(arg1), "d"(arg2), "S"(stack_top), "D"(efi->efi_cr3)  in efi_call()
124 	struct efi_system_table *efist = efi->efi_systab;  in efi_console_putchar()
128 	 * the printk call re-entries when an interrupt  in efi_console_putchar()
150 		__asm__ volatile("movq %0, %%cr3" :: "r"(efi->efi_cr3));  in efi_console_putchar()
151 		conout = efist->ConOut;  in efi_console_putchar()
152 		output_string_fn = efist->ConOut->OutputString;  in efi_console_putchar()