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kern: remove unnecessary fields from InitArgs (0x80 -> 0x40)

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This commit is contained in:
Michael Scire 2023-10-11 03:10:08 -07:00
parent 3c33647f6d
commit 9e99f36d7c
4 changed files with 22 additions and 61 deletions
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20
mesosphere/kernel/source/arch/arm64/init/kern_init_core.cpp
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@ -86,27 +86,23 @@ namespace ams::kern::init {
}
void SetupInitialArguments() {
/* Determine whether we're running on a cortex-a53 or a-57. */
cpu::MainIdRegisterAccessor midr_el1;
const auto implementer = midr_el1.GetImplementer();
const auto primary_part = midr_el1.GetPrimaryPartNumber();
const bool needs_cpu_ctlr = (implementer == cpu::MainIdRegisterAccessor::Implementer::ArmLimited) && (primary_part == cpu::MainIdRegisterAccessor::PrimaryPartNumber::CortexA57 || primary_part == cpu::MainIdRegisterAccessor::PrimaryPartNumber::CortexA53);
/* Get parameters for initial arguments. */
const u64 ttbr0 = cpu::GetTtbr0El1();
const u64 ttbr1 = cpu::GetTtbr1El1();
const u64 tcr = cpu::GetTcrEl1();
const u64 mair = cpu::GetMairEl1();
const u64 cpuactlr = cpu::GetCpuActlrEl1();
const u64 cpuectlr = cpu::GetCpuEctlrEl1();
const u64 sctlr = cpu::GetSctlrEl1();
const u64 cpuactlr = needs_cpu_ctlr ? cpu::GetCpuActlrEl1() : 0;
const u64 cpuectlr = needs_cpu_ctlr ? cpu::GetCpuEctlrEl1() : 0;
for (s32 i = 0; i < static_cast<s32>(cpu::NumCores); ++i) {
/* Get the arguments. */
KInitArguments *init_args = g_init_arguments + i;
/* Set the arguments. */
init_args->ttbr0 = ttbr0;
init_args->ttbr1 = ttbr1;
init_args->tcr = tcr;
init_args->mair = mair;
init_args->cpuactlr = cpuactlr;
init_args->cpuectlr = cpuectlr;
init_args->sctlr = sctlr;
init_args->sp = GetInteger(KMemoryLayout::GetMainStackTopAddress(i)) - sizeof(KThread::StackParameters);
init_args->entrypoint = reinterpret_cast<uintptr_t>(::ams::kern::init::InvokeMain);
init_args->argument = static_cast<u64>(i);