| Line 306... |
Line 306... |
if (tmp & (1<<CPU_MZEXT_PMP)) {
|
if (tmp & (1<<CPU_MZEXT_PMP)) {
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neorv32_uart_printf("PMP ");
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neorv32_uart_printf("PMP ");
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}
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}
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|
|
|
|
// Misc
|
// check physical memory protection
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neorv32_uart_printf("\n\n\n-- Processor --\n");
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neorv32_uart_printf("\n\nPhysical memory protection: ");
|
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if (neorv32_cpu_csr_read(CSR_MZEXT) & (1<<CPU_MZEXT_PMP)) {
|
|
|
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// check granulartiy
|
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neorv32_cpu_csr_write(CSR_PMPCFG0, 0);
|
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neorv32_cpu_csr_write(CSR_PMPADDR0, 0xffffffff);
|
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uint32_t pmp_test_g = neorv32_cpu_csr_read(0x3b0);
|
|
|
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// find least-significat set bit
|
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for (i=31; i!=0; i--) {
|
|
if (((pmp_test_g >> i) & 1) == 0) {
|
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break;
|
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}
|
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}
|
|
|
|
neorv32_uart_printf("\n- Min granularity: ");
|
|
if (i < 29) {
|
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neorv32_uart_printf("%u bytes per region (0x%x)\n", (uint32_t)(1 << (i+1+2)), pmp_test_g);
|
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}
|
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else {
|
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neorv32_uart_printf("2^%u bytes per region\n", i+1+2);
|
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}
|
|
|
|
|
|
// test available modes
|
|
neorv32_uart_printf("- Mode TOR: ");
|
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neorv32_cpu_csr_write(CSR_PMPCFG0, 0x08);
|
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if ((neorv32_cpu_csr_read(CSR_PMPCFG0) & 0xFF) == 0x08) {
|
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neorv32_uart_printf("available\n");
|
|
}
|
|
else {
|
|
neorv32_uart_printf("not implemented\n");
|
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}
|
|
|
|
neorv32_uart_printf("- Mode NA4: ");
|
|
neorv32_cpu_csr_write(CSR_PMPCFG0, 0x10);
|
|
if ((neorv32_cpu_csr_read(CSR_PMPCFG0) & 0xFF) == 0x10) {
|
|
neorv32_uart_printf("available\n");
|
|
}
|
|
else {
|
|
neorv32_uart_printf("not implemented\n");
|
|
}
|
|
|
|
neorv32_uart_printf("- Mode NAPOT: ");
|
|
neorv32_cpu_csr_write(CSR_PMPCFG0, 0x18);
|
|
if ((neorv32_cpu_csr_read(CSR_PMPCFG0) & 0xFF) == 0x18) {
|
|
neorv32_uart_printf("available\n");
|
|
}
|
|
else {
|
|
neorv32_uart_printf("not implemented\n");
|
|
}
|
|
|
|
// deactivate entry
|
|
neorv32_cpu_csr_write(CSR_PMPCFG0, 0);
|
|
}
|
|
else {
|
|
neorv32_uart_printf("not implemented\n");
|
|
}
|
|
|
|
|
|
// Misc - system
|
|
neorv32_uart_printf("\n\n-- Processor --\n");
|
neorv32_uart_printf("Clock: %u Hz\n", SYSINFO_CLK);
|
neorv32_uart_printf("Clock: %u Hz\n", SYSINFO_CLK);
|
neorv32_uart_printf("User ID: 0x%x\n", SYSINFO_USER_CODE);
|
neorv32_uart_printf("User ID: 0x%x\n", SYSINFO_USER_CODE);
|
|
|
|
|
// Memory configuration
|
// Memory configuration
|
| Line 362... |
Line 423... |
__neorv32_rte_print_true_false(tmp & (1 << SYSINFO_FEATURES_IO_WDT));
|
__neorv32_rte_print_true_false(tmp & (1 << SYSINFO_FEATURES_IO_WDT));
|
|
|
neorv32_uart_printf("TRNG: ");
|
neorv32_uart_printf("TRNG: ");
|
__neorv32_rte_print_true_false(tmp & (1 << SYSINFO_FEATURES_IO_TRNG));
|
__neorv32_rte_print_true_false(tmp & (1 << SYSINFO_FEATURES_IO_TRNG));
|
|
|
neorv32_uart_printf("CFU: ");
|
neorv32_uart_printf("CFU0: ");
|
__neorv32_rte_print_true_false(tmp & (1 << SYSINFO_FEATURES_IO_CFU));
|
__neorv32_rte_print_true_false(tmp & (1 << SYSINFO_FEATURES_IO_CFU0));
|
|
|
|
neorv32_uart_printf("CFU1: ");
|
|
__neorv32_rte_print_true_false(tmp & (1 << SYSINFO_FEATURES_IO_CFU1));
|
}
|
}
|
|
|
|
|
/**********************************************************************//**
|
/**********************************************************************//**
|
* NEORV32 runtime environment: Private function to print true or false.
|
* NEORV32 runtime environment: Private function to print true or false.
|
