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stubbed frd::UnscrambleLocalFriendCode (#2827)

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B3n30 2017-07-17 04:32:08 +02:00 • committed by Sebastian Valle
parent bab80f120f
commit e2992eb321
3 changed files with 57 additions and 1 deletions
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43
src/core/hle/service/frd/frd.cpp
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@ -6,6 +6,7 @@
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/hle/ipc.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/result.h"
#include "core/hle/service/frd/frd.h"
#include "core/hle/service/frd/frd_a.h"
@ -105,6 +106,48 @@ void GetMyScreenName(Service::Interface* self) {
LOG_WARNING(Service_FRD, "(STUBBED) called");
}
void UnscrambleLocalFriendCode(Service::Interface* self) {
const size_t scrambled_friend_code_size = 12;
const size_t friend_code_size = 8;
IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x1C, 1, 2);
const u32 friend_code_count = rp.Pop<u32>();
size_t in_buffer_size;
const VAddr scrambled_friend_codes = rp.PopStaticBuffer(&in_buffer_size, false);
ASSERT_MSG(in_buffer_size == (friend_code_count * scrambled_friend_code_size),
"Wrong input buffer size");
size_t out_buffer_size;
VAddr unscrambled_friend_codes = rp.PeekStaticBuffer(0, &out_buffer_size);
ASSERT_MSG(out_buffer_size == (friend_code_count * friend_code_size),
"Wrong output buffer size");
for (u32 current = 0; current < friend_code_count; ++current) {
// TODO(B3N30): Unscramble the codes and compare them against the friend list
// Only write 0 if the code isn't in friend list, otherwise write the
// unscrambled one
//
// Code for unscrambling (should be compared to HW):
// std::array<u16, 6> scambled_friend_code;
// Memory::ReadBlock(scrambled_friend_codes+(current*scrambled_friend_code_size),
// scambled_friend_code.data(), scrambled_friend_code_size); std::array<u16, 4>
// unscrambled_friend_code; unscrambled_friend_code[0] = scambled_friend_code[0] ^
// scambled_friend_code[5]; unscrambled_friend_code[1] = scambled_friend_code[1] ^
// scambled_friend_code[5]; unscrambled_friend_code[2] = scambled_friend_code[2] ^
// scambled_friend_code[5]; unscrambled_friend_code[3] = scambled_friend_code[3] ^
// scambled_friend_code[5];
u64 result = 0ull;
Memory::WriteBlock(unscrambled_friend_codes + (current * sizeof(result)), &result,
sizeof(result));
}
LOG_WARNING(Service_FRD, "(STUBBED) called");
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(RESULT_SUCCESS);
rb.PushStaticBuffer(unscrambled_friend_codes, out_buffer_size, 0);
}
void SetClientSdkVersion(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();