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kern/svc: update WaitForAddress to support 64-bit WaitIfEqual

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This commit is contained in:
Michael Scire 2024-10-09 11:36:17 -07:00 • committed by SciresM
parent 5de551db29
commit a0ad3ef949
11 changed files with 163 additions and 13 deletions
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17
libraries/libmesosphere/source/svc/kern_svc_address_arbiter.cpp
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@ -41,17 +41,22 @@ namespace ams::kern::svc {
case ams::svc::ArbitrationType_WaitIfLessThan:
case ams::svc::ArbitrationType_DecrementAndWaitIfLessThan:
case ams::svc::ArbitrationType_WaitIfEqual:
case ams::svc::ArbitrationType_WaitIfEqual64:
return true;
default:
return false;
}
}
Result WaitForAddress(uintptr_t address, ams::svc::ArbitrationType arb_type, int32_t value, int64_t timeout_ns) {
Result WaitForAddress(uintptr_t address, ams::svc::ArbitrationType arb_type, int64_t value, int64_t timeout_ns) {
/* Validate input. */
R_UNLESS(AMS_LIKELY(!IsKernelAddress(address)), svc::ResultInvalidCurrentMemory());
R_UNLESS(util::IsAligned(address, sizeof(int32_t)), svc::ResultInvalidAddress());
R_UNLESS(IsValidArbitrationType(arb_type), svc::ResultInvalidEnumValue());
R_UNLESS(AMS_LIKELY(!IsKernelAddress(address)), svc::ResultInvalidCurrentMemory());
if (arb_type == ams::svc::ArbitrationType_WaitIfEqual64) {
R_UNLESS(util::IsAligned(address, sizeof(int64_t)), svc::ResultInvalidAddress());
} else {
R_UNLESS(util::IsAligned(address, sizeof(int32_t)), svc::ResultInvalidAddress());
}
R_UNLESS(IsValidArbitrationType(arb_type), svc::ResultInvalidEnumValue());
/* Convert timeout from nanoseconds to ticks. */
s64 timeout;
@ -85,7 +90,7 @@ namespace ams::kern::svc {
/* ============================= 64 ABI ============================= */
Result WaitForAddress64(ams::svc::Address address, ams::svc::ArbitrationType arb_type, int32_t value, int64_t timeout_ns) {
Result WaitForAddress64(ams::svc::Address address, ams::svc::ArbitrationType arb_type, int64_t value, int64_t timeout_ns) {
R_RETURN(WaitForAddress(address, arb_type, value, timeout_ns));
}
@ -95,7 +100,7 @@ namespace ams::kern::svc {
/* ============================= 64From32 ABI ============================= */
Result WaitForAddress64From32(ams::svc::Address address, ams::svc::ArbitrationType arb_type, int32_t value, int64_t timeout_ns) {
Result WaitForAddress64From32(ams::svc::Address address, ams::svc::ArbitrationType arb_type, int64_t value, int64_t timeout_ns) {
R_RETURN(WaitForAddress(address, arb_type, value, timeout_ns));
}