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kernel/process_capability: Handle syscall capability flags
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27caf71204
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3dc59b74ec
2 changed files with 29 additions and 1 deletions
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@ -239,7 +239,30 @@ ResultCode ProcessCapabilities::HandlePriorityCoreNumFlags(u32 flags) {
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}
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}
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ResultCode ProcessCapabilities::HandleSyscallFlags(u32& set_svc_bits, u32 flags) {
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ResultCode ProcessCapabilities::HandleSyscallFlags(u32& set_svc_bits, u32 flags) {
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// TODO: Implement
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const u32 index = flags >> 29;
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const u32 svc_bit = 1U << index;
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// If we've already set this svc before, bail.
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if ((set_svc_bits & svc_bit) != 0) {
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return ERR_INVALID_COMBINATION;
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}
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set_svc_bits |= svc_bit;
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const u32 svc_mask = (flags >> 5) & 0xFFFFFF;
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for (u32 i = 0; i < 24; ++i) {
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const u32 svc_number = index * 24 + i;
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if ((svc_mask & (1U << i)) == 0) {
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continue;
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}
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if (svc_number >= svc_capabilities.size()) {
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return ERR_OUT_OF_RANGE;
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}
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svc_capabilities[svc_number] = true;
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}
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return RESULT_SUCCESS;
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return RESULT_SUCCESS;
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}
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}
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@ -132,6 +132,11 @@ public:
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return priority_mask;
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return priority_mask;
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}
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}
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/// Gets the SVC access permission bits
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const SyscallCapabilities& GetServiceCapabilities() const {
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return svc_capabilities;
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}
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private:
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private:
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/// Attempts to parse a given sequence of capability descriptors.
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/// Attempts to parse a given sequence of capability descriptors.
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///
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///
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