On 8/21/2025 12:29 PM, Sagi Shahar wrote:
[...]
+
+/*
+ * Allows each vCPU to be initialized with different eip and esp.
+ *
+ * __packed is used since the offsets are hardcoded in td_boot.S
+ *
+ * TODO: Replace hardcoded offsets with OFFSET(). This requires getting the
+ * neccesry Kbuild scripts working in KVM selftests.
neccesry -> necessary
Also, are the comments about "__packed" and "TODO" out dated?
+ */
+struct td_per_vcpu_parameters {
+ uint32_t esp_gva;
+ uint64_t guest_code;
+};
+
+/*
+ * Boot parameters for the TD.
+ *
+ * Unlike a regular VM, KVM cannot set registers such as esp, eip, etc
+ * before boot, so to run selftests, these registers' values have to be
+ * initialized by the TD.
+ *
+ * This struct is loaded in TD private memory at TD_BOOT_PARAMETERS_GPA.
+ *
+ * The TD boot code will read off parameters from this struct and set up the
+ * vCPU for executing selftests.
+ *
+ * __packed is used since the offsets are hardcoded in td_boot.S
Same as above for "__packed".
+ */
[...]
