Integrate uACPI

kernel/hal/x86_64/uACPI/tests/runner/barebones_runner.c

@@ -0,0 +1,170 @@
+#include "argparser.h"
+#include "helpers.h"
+#include <stdio.h>
+#include <string.h>
+#include <uacpi/acpi.h>
+#include <uacpi/kernel_api.h>
+#include <uacpi/tables.h>
+#include <uacpi/uacpi.h>
+
+void uacpi_kernel_log(enum uacpi_log_level lvl, const char *text)
+{
+    printf("[%s] %s", uacpi_log_level_to_string(lvl), text);
+}
+
+void *uacpi_kernel_map(uacpi_phys_addr addr, uacpi_size len)
+{
+    UACPI_UNUSED(len);
+
+    return (void*)((uintptr_t)addr);
+}
+
+void uacpi_kernel_unmap(void *ptr, uacpi_size len)
+{
+    UACPI_UNUSED(ptr);
+    UACPI_UNUSED(len);
+}
+
+uacpi_phys_addr g_rsdp;
+
+uacpi_status uacpi_kernel_get_rsdp(uacpi_phys_addr *out_addr)
+{
+    *out_addr = g_rsdp;
+    return UACPI_STATUS_OK;
+}
+
+static uint8_t test_dsdt[] = {
+    0x53, 0x53, 0x44, 0x54, 0x35, 0x00, 0x00, 0x00,
+    0x01, 0xa1, 0x75, 0x54, 0x45, 0x53, 0x54, 0x00,
+    0x4f, 0x56, 0x45, 0x52, 0x52, 0x49, 0x44, 0x45,
+    0xf0, 0xf0, 0xf0, 0xf0, 0x49, 0x4e, 0x54, 0x4c,
+    0x25, 0x09, 0x20, 0x20, 0x08, 0x56, 0x41, 0x4c,
+    0x5f, 0x0d, 0x54, 0x65, 0x73, 0x74, 0x52, 0x75,
+    0x6e, 0x6e, 0x65, 0x72, 0x00
+};
+
+static uint8_t test_mcfg[] = {
+    0x4d, 0x43, 0x46, 0x47, 0x3c, 0x00, 0x00, 0x00,
+    0x01, 0x39, 0x48, 0x50, 0x51, 0x4f, 0x45, 0x4d,
+    0x38, 0x35, 0x34, 0x39, 0x20, 0x20, 0x20, 0x20,
+    0x01, 0x00, 0x00, 0x00, 0x48, 0x50, 0x20, 0x20,
+    0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f,
+    0x00, 0x00, 0x00, 0x00
+};
+
+static void ensure_signature_is(const char *signature, uacpi_table tbl)
+{
+    if (strncmp(tbl.hdr->signature, signature, 4) == 0)
+        return;
+
+    error(
+        "incorrect table signature: expected %s got %.4s\n", signature,
+        tbl.hdr->signature
+    );
+}
+
+static void find_one_table(const char *signature)
+{
+    uacpi_table tbl;
+    uacpi_status st;
+
+    st = uacpi_table_find_by_signature(signature, &tbl);
+    ensure_ok_status(st);
+
+    ensure_signature_is(signature, tbl);
+
+    printf("%4.4s OK\n", signature);
+    uacpi_table_unref(&tbl);
+}
+
+static void test_basic_operation(void)
+{
+    find_one_table(ACPI_FADT_SIGNATURE);
+    find_one_table(ACPI_DSDT_SIGNATURE);
+}
+
+static void test_table_installation(void)
+{
+    uacpi_status st;
+    uacpi_table tbl;
+
+    st = uacpi_table_install(test_mcfg, &tbl);
+    ensure_ok_status(st);
+    ensure_signature_is(ACPI_MCFG_SIGNATURE, tbl);
+    uacpi_table_unref(&tbl);
+
+    find_one_table(ACPI_MCFG_SIGNATURE);
+
+    st = uacpi_table_install_physical(
+        (uacpi_phys_addr)((uintptr_t)test_mcfg), &tbl
+    );
+    ensure_ok_status(st);
+    ensure_signature_is(ACPI_MCFG_SIGNATURE, tbl);
+    uacpi_table_unref(&tbl);
+}
+
+static struct {
+    const char *name;
+    void (*func)(void);
+} test_cases[] = {
+    { "basic-operation", test_basic_operation },
+    { "table-installation", test_table_installation },
+};
+
+static arg_spec_t TEST_CASE_ARG = ARG_POS("test-case", "name of the test case");
+
+static arg_spec_t HELP_ARG = ARG_HELP(
+    "help", 'h', "Display this menu and exit"
+);
+
+static arg_spec_t *const POSITIONAL_ARGS[] = {
+    &TEST_CASE_ARG,
+};
+
+static arg_spec_t *const OPTION_ARGS[] = {
+    &HELP_ARG,
+};
+
+static const arg_parser_t PARSER = {
+    .positional_args = POSITIONAL_ARGS,
+    .num_positional_args = UACPI_ARRAY_SIZE(POSITIONAL_ARGS),
+    .option_args = OPTION_ARGS,
+    .num_option_args = UACPI_ARRAY_SIZE(OPTION_ARGS),
+};
+
+int main(int argc, char *argv[])
+{
+    static uint8_t early_table_buf[4096];
+    struct acpi_rsdp rsdp = { 0 };
+    struct full_xsdt *xsdt;
+    uacpi_status st;
+    const char *test_case;
+    size_t i;
+
+    parse_args(&PARSER, argc, argv);
+
+    xsdt = make_xsdt_blob(&rsdp, test_dsdt, sizeof(test_dsdt));
+
+    g_rsdp = (uacpi_phys_addr)((uintptr_t)&rsdp);
+
+    st = uacpi_setup_early_table_access(
+        early_table_buf, sizeof(early_table_buf)
+    );
+    ensure_ok_status(st);
+
+    test_case = get(&TEST_CASE_ARG);
+
+    for (i = 0; i < UACPI_ARRAY_SIZE(test_cases); i++) {
+        if (strcmp(test_case, test_cases[i].name) == 0) {
+            test_cases[i].func();
+            uacpi_state_reset();
+            delete_xsdt(xsdt, 0);
+            return 0;
+        }
+    }
+
+    error("unknown test case '%s'", test_case);
+    return 1;
+}