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Merge pull request #6358 from Morph1984/k_map_region
kernel: process_capability: Add MapRegion capability
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commit
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@ -22,6 +22,7 @@ enum : u32 {
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CapabilityOffset_Syscall = 4,
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CapabilityOffset_MapPhysical = 6,
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CapabilityOffset_MapIO = 7,
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CapabilityOffset_MapRegion = 10,
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CapabilityOffset_Interrupt = 11,
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CapabilityOffset_ProgramType = 13,
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CapabilityOffset_KernelVersion = 14,
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@ -46,6 +47,7 @@ enum class CapabilityType : u32 {
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Syscall = (1U << CapabilityOffset_Syscall) - 1,
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MapPhysical = (1U << CapabilityOffset_MapPhysical) - 1,
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MapIO = (1U << CapabilityOffset_MapIO) - 1,
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MapRegion = (1U << CapabilityOffset_MapRegion) - 1,
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Interrupt = (1U << CapabilityOffset_Interrupt) - 1,
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ProgramType = (1U << CapabilityOffset_ProgramType) - 1,
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KernelVersion = (1U << CapabilityOffset_KernelVersion) - 1,
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@ -187,6 +189,8 @@ ResultCode ProcessCapabilities::ParseSingleFlagCapability(u32& set_flags, u32& s
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return HandleSyscallFlags(set_svc_bits, flag);
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case CapabilityType::MapIO:
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return HandleMapIOFlags(flag, page_table);
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case CapabilityType::MapRegion:
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return HandleMapRegionFlags(flag, page_table);
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case CapabilityType::Interrupt:
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return HandleInterruptFlags(flag);
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case CapabilityType::ProgramType:
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@ -298,6 +302,11 @@ ResultCode ProcessCapabilities::HandleMapIOFlags(u32 flags, KPageTable& page_tab
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return RESULT_SUCCESS;
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}
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ResultCode ProcessCapabilities::HandleMapRegionFlags(u32 flags, KPageTable& page_table) {
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// TODO(Lioncache): Implement once the memory manager can handle this.
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return RESULT_SUCCESS;
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}
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ResultCode ProcessCapabilities::HandleInterruptFlags(u32 flags) {
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constexpr u32 interrupt_ignore_value = 0x3FF;
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const u32 interrupt0 = (flags >> 12) & 0x3FF;
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@ -231,6 +231,9 @@ private:
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/// Handles flags related to mapping IO pages.
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ResultCode HandleMapIOFlags(u32 flags, KPageTable& page_table);
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/// Handles flags related to mapping physical memory regions.
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ResultCode HandleMapRegionFlags(u32 flags, KPageTable& page_table);
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/// Handles flags related to the interrupt capability flags.
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ResultCode HandleInterruptFlags(u32 flags);
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