diff options
Diffstat (limited to 'test-app.c')
| -rw-r--r-- | test-app.c | 98 |
1 files changed, 97 insertions, 1 deletions
@@ -29,11 +29,30 @@ enum test_apps { INVALID, + ES_RESET, + ES_MHU, SE_MHU, SE_TIMER, NUM_TEST_APPS }; +enum es_command +{ + ES_NONE, + /* Send the value to the PE, the PE will then increment the value + and send it back to here (Host) */ + ES_INC_RETURN, + /* Send the value to the ES, the ES will then increment the value + and send it to Secure enclave*/ + ES_INC_SEND_TO_SE, + /* Send the value to the ES, make the ES send this + * value to the secure enclave, and make the secure enclave increment and echo + * the value back to the ES + */ + ES_INC_ECHO_SE, + ES_NUM_COMMANDS, +}; + /* Macros for executing API commands, which will fail the test if the command fails. */ #define TRY_OPEN(FD, DEVICE, ...) \ @@ -76,6 +95,8 @@ struct rpmsg_endpoint_info #define RPMSG_CREATE_EPT_IOCTL _IOW(0xb5, 0x1, struct rpmsg_endpoint_info) #define RPMSG_DESTROY_EPT_IOCTL _IO(0xb5, 0x2) +#define EXTSYS_CPU_WAIT_DISABLE 0x0 + /* MHU test command encoding */ #define BITMASK(x) ((unsigned)-1 >> ((sizeof(int) * CHAR_BIT) - x)) #define CMD_WIDTH 4 @@ -89,11 +110,82 @@ enum se_command // Send the value to the PE, the PE will then increment the value // and send it back to here (Host) SE_INC_RETURN, - // Start a single-shot timer which will be routed to the boot processor + // Start a single-shot timer which will be routed to the boot processor SE_TIMER_ONCE, SE_NUM_COMMANDS }; +/* Desassert the reset signal of the external system#0 harness */ +int es_reset_test() +{ + int status; + /* Bring external system out of reset */ + TRY_OPEN(fd_sdk, "/dev/extsys_ctrl", O_RDWR); + TRY_IOCTL(status, fd_sdk, EXTSYS_CPU_WAIT_DISABLE, 0); + TRY_CLOSE(fd_sdk); + return 0; +} + +/* Test MHU connection between HOST <=> ES0 MHU 0 and 1, and SE <=> ES0 MHU 0 and 1 */ +int es_mhu_test() +{ + int status; + int message; + const int value = 0xABCDEF; + + struct rpmsg_endpoint_info es0mhu0_eptinfo = {"es0mhu0", 0XFFFFFFFF, 0xFFFFFFFF}; + struct rpmsg_endpoint_info es0mhu1_eptinfo = {"es0mhu1", 0XFFFFFFFF, 0xFFFFFFFF}; + + TRY_OPEN(fd, "/dev/rpmsg_ctrl0", O_RDWR); + /* Create endpoint interfaces for each MHU */ + TRY_IOCTL(status, fd, RPMSG_CREATE_EPT_IOCTL, &es0mhu0_eptinfo); /* /dev/rpmsg1 is created */ + TRY_IOCTL(status, fd, RPMSG_CREATE_EPT_IOCTL, &es0mhu1_eptinfo); /* /dev/rpmsg2 is created */ + + /* create endpoints for each mhu */ + TRY_OPEN(fd_es0mhu0_ept, "/dev/rpmsg0", O_RDWR); + TRY_OPEN(fd_es0mhu1_ept, "/dev/rpmsg1", O_RDWR); + int epts[2]; + epts[0] = fd_es0mhu0_ept; + epts[1] = fd_es0mhu1_ept; + + /* Bring external system out of reset */ + es_reset_test(); + /* Await es system boot. Currently there is no signalling mechanism for + * this, so revert to sleeping */ + sleep(1); + /* External system test */ + for (int i = 0; i < 2; i++) + { + int ept = epts[i]; + char *name; + /* ========== ES < = > HOST TESTS ========== */ + /* Make ES echo the value back to host with the incremented value */ + message = ENCODE(ES_INC_RETURN, value); + write(ept, &message, sizeof(message)); + /* External system cannot execute the test command within an interrupt + * handler. Since no command buffering has been implemented on the ES, a + * sleep allows the ES to process a command before the host transmits + * subsequent commands. + */ + sleep(1); + /* Read the data transmitted by the previous command */ + read(ept, &message, sizeof(message)); + printf("Received %x from %s\n", message, + ept == fd_es0mhu0_ept ? "es0mhu0" : "es0mhu1"); + /* ================== ES < = > SE ================== */ + /* Make ES send a message to the SE with the incremented value */ + message = ENCODE(ES_INC_SEND_TO_SE, value); + write(ept, &message, sizeof(message)); + sleep(1); + } + /* destroy endpoints */ + TRY_IOCTL(status, fd_es0mhu0_ept, RPMSG_DESTROY_EPT_IOCTL); + TRY_IOCTL(status, fd_es0mhu1_ept, RPMSG_DESTROY_EPT_IOCTL); + TRY_CLOSE(fd_es0mhu0_ept); + TRY_CLOSE(fd_es0mhu1_ept); + TRY_CLOSE(fd); + return 0; +} /* Test MHU connection between HOST <=> BP MHU 1 */ int se_mhu_test() @@ -170,6 +262,10 @@ int main(int argc, char *argv[]) printf("Invalid test app specified\n"); printf("%d test apps are available\n", NUM_TEST_APPS - 1); break; + case ES_RESET: + return es_reset_test(); + case ES_MHU: + return es_mhu_test(); case SE_MHU: return se_mhu_test(); case SE_TIMER: |