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Kernel/aarch64: Add getters/setters in RegisterState and ThreadRegisters

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Specifically this commit implements two setters set_userspace_sp and
set_ip in RegisterState.h, and also adds a stack pointer getter (sp) in
ThreadRegisters.h. Contributed by konrad, thanks for that.
This commit is contained in:
Timon Kruiper 2023-02-22 19:04:16 +01:00 • committed by Idan Horowitz
parent 36362b9679
commit ec765544a5
2 changed files with 3 additions and 4 deletions
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6
Kernel/Arch/aarch64/RegisterState.h
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@ -24,14 +24,12 @@ struct RegisterState {
FlatPtr userspace_sp() const { return sp_el0; } FlatPtr userspace_sp() const { return sp_el0; }
void set_userspace_sp(FlatPtr value) void set_userspace_sp(FlatPtr value)
{ {
(void)value; sp_el0 = value;
TODO_AARCH64();
} }
FlatPtr ip() const { return elr_el1; } FlatPtr ip() const { return elr_el1; }
void set_ip(FlatPtr value) void set_ip(FlatPtr value)
{ {
(void)value; elr_el1 = value;
TODO_AARCH64();
} }
FlatPtr bp() const { return x[29]; } FlatPtr bp() const { return x[29]; }

1
Kernel/Arch/aarch64/ThreadRegisters.h
View file

@ -22,6 +22,7 @@ struct ThreadRegisters {
FlatPtr ip() const { return elr_el1; } FlatPtr ip() const { return elr_el1; }
void set_ip(FlatPtr value) { elr_el1 = value; } void set_ip(FlatPtr value) { elr_el1 = value; }
FlatPtr sp() const { return sp_el0; }
void set_sp(FlatPtr value) { sp_el0 = value; } void set_sp(FlatPtr value) { sp_el0 = value; }
void set_initial_state(bool is_kernel_process, Memory::AddressSpace& space, FlatPtr kernel_stack_top) void set_initial_state(bool is_kernel_process, Memory::AddressSpace& space, FlatPtr kernel_stack_top)