add gemma accelerator classification results

1 files changed, 84 insertions, 0 deletions

diff --git a/results/classifier/accel-gemma3:12b/kvm/2625 b/results/classifier/accel-gemma3:12b/kvm/2625
new file mode 100644
index 000000000..0bda855a9
--- /dev/null
+++ b/results/classifier/accel-gemma3:12b/kvm/2625
@@ -0,0 +1,84 @@
+
+Adding TPM support for ARM SBSA-Ref machine
+Additional information:
+Here is a proposed change where a new memory region is added to the machine initialization routine:
+
+```diff
+diff --git a/hw/arm/sbsa-ref.c b/hw/arm/sbsa-ref.c
+index e3195d5449..84bc7d9adb 100644
+--- a/hw/arm/sbsa-ref.c
++++ b/hw/arm/sbsa-ref.c
+@@ -28,6 +28,8 @@
+ #include "sysemu/numa.h"
+ #include "sysemu/runstate.h"
+ #include "sysemu/sysemu.h"
++#include "sysemu/tpm.h"
++#include "sysemu/tpm_backend.h"
+ #include "exec/hwaddr.h"
+ #include "kvm_arm.h"
+ #include "hw/arm/boot.h"
+@@ -94,6 +96,7 @@ enum {
+     SBSA_SECURE_MEM,
+     SBSA_AHCI,
+     SBSA_XHCI,
++    SBSA_TPM,
+ };
+ 
+ struct SBSAMachineState {
+@@ -132,6 +135,7 @@ static const MemMapEntry sbsa_ref_memmap[] = {
+     /* Space here reserved for more SMMUs */
+     [SBSA_AHCI] =               { 0x60100000, 0x00010000 },
+     [SBSA_XHCI] =               { 0x60110000, 0x00010000 },
++    [SBSA_TPM] =                { 0x60120000, 0x00010000 },
+     /* Space here reserved for other devices */
+     [SBSA_PCIE_PIO] =           { 0x7fff0000, 0x00010000 },
+     /* 32-bit address PCIE MMIO space */
+@@ -629,6 +633,24 @@ static void create_smmu(const SBSAMachineState *sms, PCIBus *bus)
+     }
+ }
+ 
++static void create_tpm(SBSAMachineState *sbsa, PCIBus *bus)
++{
++    Error *errp = NULL;
++    DeviceState *dev;
++
++    TPMBackend *be = qemu_find_tpm_be("tpm0");
++    if (be == NULL) {
++        error_report("Couldn't find tmp0 backend");
++        return;
++    }
++
++    dev = qdev_new(TYPE_TPM_TIS_SYSBUS);
++    object_property_set_link(OBJECT(dev), "tpmdev", OBJECT(be), &errp);
++    object_property_set_str(OBJECT(dev), "tpmdev", be->id, &errp);
++    sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
++    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, sbsa_ref_memmap[SBSA_TPM].base);
++}
++
+ static void create_pcie(SBSAMachineState *sms)
+ {
+     hwaddr base_ecam = sbsa_ref_memmap[SBSA_PCIE_ECAM].base;
+@@ -686,6 +708,8 @@ static void create_pcie(SBSAMachineState *sms)
+     pci_create_simple(pci->bus, -1, "bochs-display");
+ 
+     create_smmu(sms, pci->bus);
++
++    create_tpm(sms, pci->bus);
+ }
+ 
+ static void *sbsa_ref_dtb(const struct arm_boot_info *binfo, int *fdt_size)
+```
+
+With such, the tpm can get used when setting the TPM base address to be 0x60120000 with the following launching command:
+
+```bash
+qemu-system-aarch64 -machine sbsa-ref,gic-version=3,acpi=off \
+  -cpu host -m 4G \
+  -nographic -accel kvm \
+  -chardev socket,id=chrtpm,path=/tmp/mytpm1/swtpm-sock \
+  -tpmdev emulator,id=tpm0,chardev=chrtpm \
+  -device virtio-blk-pci,drive=drv0 \
+  -drive format=qcow2,file=hda.qcow2,if=none,id=drv0 \
+  -drive if=pflash,format=raw,file=flash0.img,readonly=on \
+  -drive if=pflash,format=raw,file=flash1.img
+```