cmd: add more implementation IDs to sbi command
authorHeinrich Schuchardt <xypron.glpk@gmx.de>
Tue, 19 Jan 2021 19:44:45 +0000 (19:44 +0000)
committerTom Rini <trini@konsulko.com>
Fri, 29 Jan 2021 15:36:49 +0000 (10:36 -0500)
Additional SBI implementation IDs have been added to the upcoming
next version of the SBI specification.

https://github.com/riscv/riscv-sbi-doc/blob/master/riscv-sbi.adoc

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
cmd/riscv/sbi.c

index e66fc8e41d2ad5042db3472e2dab973bc645ce6b..2c905f1f8f8e72becc909f32908cbaae06bcb2a8 100644 (file)
@@ -9,11 +9,25 @@
 #include <command.h>
 #include <asm/sbi.h>
 
+struct sbi_imp {
+       const long id;
+       const char *name;
+};
+
 struct sbi_ext {
        const u32 id;
        const char *name;
 };
 
+static struct sbi_imp implementations[] = {
+       { 0, "Berkeley Boot Loader (BBL)" },
+       { 1, "OpenSBI" },
+       { 2, "Xvisor" },
+       { 3, "KVM" },
+       { 4, "RustSBI" },
+       { 5, "Diosix" },
+};
+
 static struct sbi_ext extensions[] = {
        { 0x00000000, "sbi_set_timer" },
        { 0x00000001, "sbi_console_putchar" },
@@ -42,23 +56,14 @@ static int do_sbi(struct cmd_tbl *cmdtp, int flag, int argc,
                printf("SBI %ld.%ld\n", ret >> 24, ret & 0xffffff);
        ret = sbi_get_impl_id();
        if (ret >= 0) {
-               switch (ret) {
-               case 0:
-                       printf("Berkeley Boot Loader (BBL)\n");
-                       break;
-               case 1:
-                       printf("OpenSBI\n");
-                       break;
-               case 2:
-                       printf("Xvisor\n");
-                       break;
-               case 3:
-                       printf("KVM\n");
-                       break;
-               default:
-                       printf("Unknown implementation\n");
-                       break;
+               for (i = 0; i < ARRAY_SIZE(implementations); ++i) {
+                       if (ret == implementations[i].id) {
+                               printf("%s\n", implementations[i].name);
+                               break;
+                       }
                }
+               if (i == ARRAY_SIZE(implementations))
+                       printf("Unknown implementation ID %ld\n", ret);
        }
        printf("Extensions:\n");
        for (i = 0; i < ARRAY_SIZE(extensions); ++i) {