X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=lib%2Fccdbg.h;h=8bc9444a2e00269230624c9674b54354488dea8d;hp=203b5aebb8c723b043f0654c95838afcfa7dcfac;hb=cc0495b7028f4b1189a00707d828a68534d1dea2;hpb=23aca1fcbc169184e32d4ec19f28dd4fd4cfda36

diff --git a/lib/ccdbg.h b/lib/ccdbg.h
index 203b5aeb..8bc9444a 100644
--- a/lib/ccdbg.h
+++ b/lib/ccdbg.h
@@ -37,8 +37,15 @@
 #define CC_RESET_N	0x4
 #define CC_CLOCK_US	(0)
 
+/* Telemetrum has a 10k pull-up to 3.3v, a 0.001uF cap to ground
+ * and a 2.7k resistor to the reset line. This takes about 6us
+ * to settle, so we'll wait longer than that after changing the reset line
+ */
+#define CC_RESET_US	(12)
+
 /* 8051 instructions
  */
+#define NOP			0x00
 #define MOV_direct_data		0x75
 #define LJMP			0x02
 #define MOV_Rn_data(n)		(0x78 | (n))
@@ -99,6 +106,9 @@
 /* Bit-addressable accumulator */
 #define ACC(bit)		(0xE0 | (bit))
 
+/* Bit-addressable status word */
+#define PSW(bit)		(0xD0 | (bit))
+
 #define CP_USB_ASYNC
 
 struct ccdbg {
@@ -107,6 +117,7 @@ struct ccdbg {
 #else
 	struct cp_usb *cp;
 #endif
+	struct hex_image *rom;
 };
 
 /* Intel hex file format data
@@ -130,6 +141,18 @@ struct hex_image {
 	uint8_t		data[0];
 };
 
+#define CC_STATE_ACC	0x1
+#define CC_STATE_PSW	0x2
+#define CC_STATE_DP	0x4
+
+#define CC_STATE_NSFR	5
+
+struct ccstate {
+	uint16_t	mask;
+	uint8_t		acc;
+	uint8_t		sfr[CC_STATE_NSFR];
+};
+
 #define HEX_RECORD_NORMAL		0x00
 #define HEX_RECORD_EOF			0x01
 #define HEX_RECORD_EXTENDED_ADDRESS	0x02
@@ -241,9 +264,15 @@ int
 ccdbg_hex_image_equal(struct hex_image *a, struct hex_image *b);
 
 /* ccdbg-io.c */
+void
+ccdbg_set_clock(uint32_t us);
+
 void
 ccdbg_half_clock(struct ccdbg *dbg);
 
+void
+ccdbg_wait_reset(struct ccdbg *dbg);
+
 int
 ccdbg_write(struct ccdbg *dbg, uint8_t mask, uint8_t value);
 
@@ -337,4 +366,30 @@ ccdbg_read_sfr(struct ccdbg *dbg, uint8_t addr, uint8_t *bytes, int nbytes);
 uint8_t
 ccdbg_write_sfr(struct ccdbg *dbg, uint8_t addr, uint8_t *bytes, int nbytes);
 
+/* ccdbg-rom.c */
+uint8_t
+ccdbg_set_rom(struct ccdbg *dbg, struct hex_image *rom);
+
+uint8_t
+ccdbg_rom_contains(struct ccdbg *dbg, uint16_t addr, int nbytes);
+
+uint8_t
+ccdbg_rom_replace_xmem(struct ccdbg *dbg,
+		       uint16_t addrp, uint8_t *bytesp, int nbytes);
+
+/* ccdbg-state.c */
+uint8_t
+ccdbg_state_save(struct ccdbg *dbg, struct ccstate *state, unsigned int mask);
+
+uint8_t
+ccdbg_state_restore(struct ccdbg *dbg, struct ccstate *state);
+
+void
+ccdbg_state_replace_xmem(struct ccdbg *dbg, struct ccstate *state,
+			 uint16_t addr, uint8_t *bytes, int nbytes);
+
+void
+ccdbg_state_replace_sfr(struct ccdbg *dbg, struct ccstate *state,
+			uint8_t addr, uint8_t *bytes, int nbytes);
+
 #endif /* _CCDBG_H_ */