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hw_x86_64: Specify user argument to register mapping

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Implement user argument setter and getter support functions. The mapping of
the state registers corresponds to the system call parameter passing
convention.
This commit is contained in:
Adrian-Ken Rueegsegger 2015-02-20 16:15:32 +01:00 committed by Christian Helmuth
parent 16a15237a4
commit ed06c46233
1 changed files with 16 additions and 16 deletions

32
repos/base-hw/src/core/include/spec/x86/cpu.h

@ -121,22 +121,22 @@ class Genode::Cpu
/**
* Support for kernel calls
*/
void user_arg_0(Kernel::Call_arg const arg) { /* XXX */ }
void user_arg_1(Kernel::Call_arg const arg) { /* XXX */ }
void user_arg_2(Kernel::Call_arg const arg) { /* XXX */ }
void user_arg_3(Kernel::Call_arg const arg) { /* XXX */ }
void user_arg_4(Kernel::Call_arg const arg) { /* XXX */ }
void user_arg_5(Kernel::Call_arg const arg) { /* XXX */ }
void user_arg_6(Kernel::Call_arg const arg) { /* XXX */ }
void user_arg_7(Kernel::Call_arg const arg) { /* XXX */ }
Kernel::Call_arg user_arg_0() const { return 0UL; }
Kernel::Call_arg user_arg_1() const { return 0UL; }
Kernel::Call_arg user_arg_2() const { return 0UL; }
Kernel::Call_arg user_arg_3() const { return 0UL; }
Kernel::Call_arg user_arg_4() const { return 0UL; }
Kernel::Call_arg user_arg_5() const { return 0UL; }
Kernel::Call_arg user_arg_6() const { return 0UL; }
Kernel::Call_arg user_arg_7() const { return 0UL; }
void user_arg_0(Kernel::Call_arg const arg) { rdi = arg; }
void user_arg_1(Kernel::Call_arg const arg) { rsi = arg; }
void user_arg_2(Kernel::Call_arg const arg) { rdx = arg; }
void user_arg_3(Kernel::Call_arg const arg) { rcx = arg; }
void user_arg_4(Kernel::Call_arg const arg) { r8 = arg; }
void user_arg_5(Kernel::Call_arg const arg) { r9 = arg; }
void user_arg_6(Kernel::Call_arg const arg) { r10 = arg; }
void user_arg_7(Kernel::Call_arg const arg) { r11 = arg; }
Kernel::Call_arg user_arg_0() const { return rdi; }
Kernel::Call_arg user_arg_1() const { return rsi; }
Kernel::Call_arg user_arg_2() const { return rdx; }
Kernel::Call_arg user_arg_3() const { return rcx; }
Kernel::Call_arg user_arg_4() const { return r8; }
Kernel::Call_arg user_arg_5() const { return r9; }
Kernel::Call_arg user_arg_6() const { return r10; }
Kernel::Call_arg user_arg_7() const { return r11; }
/**
* Initialize thread context