agc: implement async command buffer jump

src/libs/agc.cpp

@@ -3241,6 +3241,27 @@ uint32_t KYTY_SYSV_ABI AgcAcbCondExecGetSize() {
 	return AgcDcbCondExecGetSize();
 }
 
+uint32_t* KYTY_SYSV_ABI AgcAcbJump(CommandBuffer* buf, uint8_t cache_policy,
+                                   const uint32_t* target, uint32_t size_in_dwords) {
+	if (buf == nullptr) {
+		return nullptr;
+	}
+
+	auto* cmd = buf->AllocateDW(4);
+	if (cmd == nullptr) {
+		return nullptr;
+	}
+
+	auto target_address = reinterpret_cast<uint64_t>(target);
+	cmd[0]              = KYTY_PM4(4, Pm4::IT_INDIRECT_BUFFER, 0u);
+	cmd[1]              = static_cast<uint32_t>(target_address) & ~0x3u;
+	cmd[2]              = static_cast<uint32_t>(target_address >> 32u);
+	cmd[3] = 0x0f900000u | ((static_cast<uint32_t>(cache_policy) & 0x3u) << 28u) |
+	         (size_in_dwords & 0xfffffu);
+
+	return cmd;
+}
+
 uint32_t KYTY_SYSV_ABI AgcAcbJumpGetSize() {
 	return 0x10u;
 }

src/libs/agc.h

@@ -204,6 +204,8 @@ uint32_t KYTY_SYSV_ABI  AgcAcbAcquireMemGetSize();
 uint32_t* KYTY_SYSV_ABI AgcAcbCondExec(CommandBuffer* buf, const volatile uint32_t* address,
                                        uint32_t num_dwords);
 uint32_t KYTY_SYSV_ABI  AgcAcbCondExecGetSize();
+uint32_t* KYTY_SYSV_ABI AgcAcbJump(CommandBuffer* buf, uint8_t cache_policy,
+                                   const uint32_t* target, uint32_t size_in_dwords);
 uint32_t KYTY_SYSV_ABI  AgcAcbJumpGetSize();
 uint32_t* KYTY_SYSV_ABI AgcAcbWaitRegMem(CommandBuffer* buf, uint8_t size, uint8_t compare_function,
                                          uint8_t cache_policy, const volatile void* address,

src/libs/libAgcDriver.cpp

@@ -73,6 +73,7 @@ LIB_DEFINE(InitAgcDriver_1) {
 	LIB_FUNC("ewobAQeMo5k", Gen5::AgcAcbAcquireMemGetSize);
 	LIB_FUNC("qyM2bxYFPAk", Gen5::AgcAcbCondExec);
 	LIB_FUNC("ozKzBP4aki4", Gen5::AgcAcbCondExecGetSize);
+	LIB_FUNC("e1DFTg+Sd8U", Gen5::AgcAcbJump);
 	LIB_FUNC("b-oySn+G2tE", Gen5::AgcAcbJumpGetSize);
 	LIB_FUNC("htn36gPnBk4", Gen5::AgcAcbWaitRegMem);
 	LIB_FUNC("idlaArvdXEs", Gen5::AgcAcbWaitOnAddressGetSize);