search for: jmp_address

Displaying 4 results from an estimated 4 matches for "jmp_address".

2015 Aug 23
0
[PATCH] efi: leaving long mode in kernel_jump routine
...%rcx - addq %rcx, %rdi - pushq %rdi + /* save the content of rsi (boot_param argument of kernel_jump function) */ + mov %rsi, %rbx + + call base_address +base_address: + pop %rsi + + /* need to perform a long jump to update cs + + /* load absolute address of pm_code in jmp_address location */ + lea (pm_code - base_address)(%rsi, 1), %rax + mov %eax, (jmp_address - base_address)(%rsi, 1) + + ljmp *(jmp_address - base_address)(%rsi, 1) + +jmp_address: + .long 0 /* address */ + .word 0x10 /* segment */ .code32 pm_code: - /* Disable IA-32e mode by cl...
2015 Aug 04
13
[PATCH] efi: leaving long mode in kernel_jump routine
...w. - */ - mov $0x1000000000, %rcx - addq %rcx, %rdi - pushq %rdi + /* save the content of rsi (boot_param argument of kernel_jump function) */ + mov %rsi, %rbx + + call base_address +base_address: + pop %rsi + + /* need to perform a long jump to update cs + + /* load absolute address of pm_code in jmp_address location */ + lea (pm_code - base_address)(%rsi, 1), %rax + mov %eax, (jmp_address - base_address)(%rsi, 1) + + ljmp *(jmp_address - base_address)(%rsi, 1) + +jmp_address: + .long 0 /* address */ + .word 0x10 /* segment */ .code32 pm_code: - /* Disable IA-32e mode by clearing IA32_EFER.LME...
2015 Sep 11
2
[PATCH 1/1] efi/x86_64: fix trivial compilation warning
...S b/efi/x86_64/linux.S index 972c0b2..29dde94 100644 --- a/efi/x86_64/linux.S +++ b/efi/x86_64/linux.S @@ -27,7 +27,7 @@ kernel_jump: base_address: pop %rsi - /* need to perform a long jump to update cs + /* need to perform a long jump to update cs */ /* load absolute address of pm_code in jmp_address location */ lea (pm_code - base_address)(%rsi, 1), %rax -- 2.5.1
2015 Sep 11
0
[PATCH 1/1] efi/x86_64: fix trivial compilation warning
...44 > --- a/efi/x86_64/linux.S > +++ b/efi/x86_64/linux.S > @@ -27,7 +27,7 @@ kernel_jump: > base_address: > pop %rsi > > - /* need to perform a long jump to update cs > + /* need to perform a long jump to update cs */ > > /* load absolute address of pm_code in jmp_address location > */ lea (pm_code - base_address)(%rsi, 1), %rax -- Paulo Alcantara, C.E.S.A.R Speaking for myself only.