Make the backends propagate errors

[fw/stlink] / src / stlink-common.h

diff --git a/src/stlink-common.h b/src/stlink-common.h
index fbbb2b42ee196eaf9fced25891ff9c47266277c2..467b9b90ac39575bd7a03feeefe5449df84618be 100644 (file)
--- a/src/stlink-common.h
+++ b/src/stlink-common.h
@@ -556,30 +556,30 @@ extern "C" {
 
     typedef struct _stlink_backend {
         void (*close) (stlink_t * sl);
-        void (*exit_debug_mode) (stlink_t * sl);
-        void (*enter_swd_mode) (stlink_t * sl);
-        void (*enter_jtag_mode) (stlink_t * stl);
-        void (*exit_dfu_mode) (stlink_t * stl);
-        void (*core_id) (stlink_t * stl);
-        void (*reset) (stlink_t * stl);
-        void (*jtag_reset) (stlink_t * stl, int value);
-        void (*run) (stlink_t * stl);
-        void (*status) (stlink_t * stl);
-        void (*version) (stlink_t *sl);
-        void (*read_debug32) (stlink_t *sl, uint32_t addr, uint32_t *data);
-        void (*read_mem32) (stlink_t *sl, uint32_t addr, uint16_t len);
-        void (*write_debug32) (stlink_t *sl, uint32_t addr, uint32_t data);
-        void (*write_mem32) (stlink_t *sl, uint32_t addr, uint16_t len);
-        void (*write_mem8) (stlink_t *sl, uint32_t addr, uint16_t len);
-        void (*read_all_regs) (stlink_t *sl, reg * regp);
-        void (*read_reg) (stlink_t *sl, int r_idx, reg * regp);
-        void (*read_all_unsupported_regs) (stlink_t *sl, reg *regp);
-        void (*read_unsupported_reg) (stlink_t *sl, int r_idx, reg *regp);
-        void (*write_unsupported_reg) (stlink_t *sl, uint32_t value, int idx, reg *regp);
-        void (*write_reg) (stlink_t *sl, uint32_t reg, int idx);
-        void (*step) (stlink_t * stl);
+        int (*exit_debug_mode) (stlink_t * sl);
+        int (*enter_swd_mode) (stlink_t * sl);
+        int (*enter_jtag_mode) (stlink_t * stl);
+        int (*exit_dfu_mode) (stlink_t * stl);
+        int (*core_id) (stlink_t * stl);
+        int (*reset) (stlink_t * stl);
+        int (*jtag_reset) (stlink_t * stl, int value);
+        int (*run) (stlink_t * stl);
+        int (*status) (stlink_t * stl);
+        int (*version) (stlink_t *sl);
+        int (*read_debug32) (stlink_t *sl, uint32_t addr, uint32_t *data);
+        int (*read_mem32) (stlink_t *sl, uint32_t addr, uint16_t len);
+        int (*write_debug32) (stlink_t *sl, uint32_t addr, uint32_t data);
+        int (*write_mem32) (stlink_t *sl, uint32_t addr, uint16_t len);
+        int (*write_mem8) (stlink_t *sl, uint32_t addr, uint16_t len);
+        int (*read_all_regs) (stlink_t *sl, reg * regp);
+        int (*read_reg) (stlink_t *sl, int r_idx, reg * regp);
+        int (*read_all_unsupported_regs) (stlink_t *sl, reg *regp);
+        int (*read_unsupported_reg) (stlink_t *sl, int r_idx, reg *regp);
+        int (*write_unsupported_reg) (stlink_t *sl, uint32_t value, int idx, reg *regp);
+        int (*write_reg) (stlink_t *sl, uint32_t reg, int idx);
+        int (*step) (stlink_t * stl);
         int (*current_mode) (stlink_t * stl);
-        void (*force_debug) (stlink_t *sl);
+        int (*force_debug) (stlink_t *sl);
         int32_t (*target_voltage) (stlink_t *sl);
     } stlink_backend_t;