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thermosphere: begin to write virtual gic code in C++

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This commit is contained in:
TuxSH
2020-02-13 01:50:11 +00:00
parent b21c75b22b
commit 02bbe1bb40
6 changed files with 586 additions and 36 deletions
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7
thermosphere/src/hvisor_irq_manager.hpp
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@@ -37,11 +37,12 @@ namespace ams::hvisor {
static bool IsGuestInterrupt(u32 id);
static u32 GetTypeRegister() { return gicd->typer; }
static void SetInterruptEnabled(u32 id) { gicd->isenabler[id / 32] = BIT(id % 32); }
static void ClearInterruptEnabled(u32 id) { gicd->icenabler[id / 32] = BIT(id % 32); }
static void ClearInterruptPending(u32 id) { gicd->icpendr[id / 32] = BIT(id % 32); }
static void SetInterruptShiftedPriority(u32 id, u8 prio) { gicd->ipriorityr[id] = prio; }
static void DoSetInterruptAffinity(u32 id, u8 targetList) { gicd->itargetsr[id] = targetList; }
static void SetInterruptTargets(u32 id, u8 targetList) { gicd->itargetsr[id] = targetList; }
static bool IsInterruptLevelSensitive(u32 id)
{
return ((gicd->icfgr[id / 16] >> GicV2Distributor::GetCfgrShift(id)) & 2) != 0;
@@ -50,7 +51,7 @@ namespace ams::hvisor {
{
u32 cfgw = gicd->icfgr[id / 16];
cfgw &= ~(2 << GicV2Distributor::GetCfgrShift(id));
cfgw |= (isLevelSensitive ? 2 : 0) << GicV2Distributor::GetCfgrShift(id);
cfgw |= (!isLevelSensitive ? 2 : 0) << GicV2Distributor::GetCfgrShift(id);
gicd->icfgr[id / 16] = cfgw;
}
@@ -67,6 +68,8 @@ namespace ams::hvisor {
u8 m_numListRegisters = 0;
private:
void SetInterruptPriority(u32 id, u8 prio) { SetInterruptShiftedPriority(id, prio << m_priorityShift); }
void InitializeGic();
void DoConfigureInterrupt(u32 id, u8 prio, bool isLevelSensitive);