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-rw-r--r--tools/intel_reg.c5
-rw-r--r--tools/intel_reg_spec.c8
-rw-r--r--tools/intel_reg_spec.h1
3 files changed, 14 insertions, 0 deletions
diff --git a/tools/intel_reg.c b/tools/intel_reg.c
index fb3461f7..84b3c9de 100644
--- a/tools/intel_reg.c
+++ b/tools/intel_reg.c
@@ -631,6 +631,11 @@ static int intel_reg_help(struct config *config, int argc, char *argv[])
printf(" [(PORTNAME|PORTNUM|MMIO-OFFSET):](REGNAME|REGADDR)\n");
printf("\n");
+ printf("PORTNAME is one of:\n");
+ intel_reg_spec_print_ports();
+ printf("\n");
+
+ printf("\n");
printf("OPTIONS common to most COMMANDS:\n");
printf(" --spec=PATH Read register spec from directory or file\n");
printf(" --mmio=FILE Use an MMIO snapshot\n");
diff --git a/tools/intel_reg_spec.c b/tools/intel_reg_spec.c
index b49e0dcd..5594d707 100644
--- a/tools/intel_reg_spec.c
+++ b/tools/intel_reg_spec.c
@@ -343,3 +343,11 @@ void intel_reg_spec_free(struct reg *regs, size_t n)
}
free(regs);
}
+
+void intel_reg_spec_print_ports(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(port_descs); i++)
+ printf("%s%s", i == 0 ? "" : ", ", port_descs[i].name);
+}
diff --git a/tools/intel_reg_spec.h b/tools/intel_reg_spec.h
index 26e82523..dcb31430 100644
--- a/tools/intel_reg_spec.h
+++ b/tools/intel_reg_spec.h
@@ -73,5 +73,6 @@ ssize_t intel_reg_spec_file(struct reg **regs, const char *filename);
void intel_reg_spec_free(struct reg *regs, size_t n);
int intel_reg_spec_decode(char *buf, size_t bufsize, const struct reg *reg,
uint32_t val, uint32_t devid);
+void intel_reg_spec_print_ports(void);
#endif /* __INTEL_REG_SPEC_H__ */