diff options
Diffstat (limited to 'src/target/etm.h')
| -rw-r--r-- | src/target/etm.h | 57 |
1 files changed, 41 insertions, 16 deletions
diff --git a/src/target/etm.h b/src/target/etm.h index 78a5996c..e4d46852 100644 --- a/src/target/etm.h +++ b/src/target/etm.h @@ -78,9 +78,20 @@ struct etm_reg struct arm_jtag *jtag_info; }; -typedef enum +/* Subset of ETM_CTRL bit assignments. Many of these + * control the configuration of trace output, which + * hooks up either to ETB or to an external device. + * + * NOTE that these have evolved since the ~v1.3 defns ... + */ +enum { - /* Port width */ + ETM_CTRL_POWERDOWN = (1 << 0), + ETM_CTRL_MONITOR_CPRT = (1 << 1), + + // bits 3:2 == trace type (ETMV1_TRACE_* << 2) + + /* Port width (bits 21 and 6:4) */ ETM_PORT_4BIT = 0x00, ETM_PORT_8BIT = 0x10, ETM_PORT_16BIT = 0x20, @@ -91,18 +102,32 @@ typedef enum ETM_PORT_1BIT = 0x00 | (1 << 21), ETM_PORT_2BIT = 0x10 | (1 << 21), ETM_PORT_WIDTH_MASK = 0x70 | (1 << 21), - /* Port modes */ - ETM_PORT_NORMAL = 0x00000, - ETM_PORT_MUXED = 0x10000, - ETM_PORT_DEMUXED = 0x20000, - ETM_PORT_MODE_MASK = 0x30000, - /* Clocking modes */ - ETM_PORT_FULL_CLOCK = 0x0000, - ETM_PORT_HALF_CLOCK = 0x1000, - ETM_PORT_CLOCK_MASK = 0x1000, -} etm_portmode_t; -typedef enum + ETM_CTRL_FIFOFULL_STALL = (1 << 7), + ETM_CTRL_BRANCH_OUTPUT = (1 << 8), + ETM_CTRL_DBGRQ = (1 << 9), + ETM_CTRL_ETM_PROG = (1 << 10), + ETM_CTRL_ETMEN = (1 << 11), + ETM_CTRL_CYCLE_ACCURATE = (1 << 12), + + /* Clocking modes -- up to v2.1, bit 13 */ + ETM_PORT_FULL_CLOCK = (0 << 13), + ETM_PORT_HALF_CLOCK = (1 << 13), + ETM_PORT_CLOCK_MASK = (1 << 13), + + // bits 15:14 == context ID size used in tracing + // ETMV1_CONTEXTID_* << 8 + + /* Port modes -- bits 17:16, tied to clocking mode */ + ETM_PORT_NORMAL = (0 << 16), + ETM_PORT_MUXED = (1 << 16), + ETM_PORT_DEMUXED = (2 << 16), + ETM_PORT_MODE_MASK = (3 << 16), + + // bits 31:18 defined in v3.0 and later (e.g. ARM11+) +}; + +enum { /* Data trace */ ETMV1_TRACE_NONE = 0x00, @@ -118,7 +143,7 @@ typedef enum /* Misc */ ETMV1_CYCLE_ACCURATE = 0x100, ETMV1_BRANCH_OUTPUT = 0x200 -} etmv1_tracemode_t; +}; /* forward-declare ETM context */ struct etm_context; @@ -161,8 +186,8 @@ struct etm_context trace_status_t capture_status; /* current state of capture run */ struct etmv1_trace_data *trace_data; /* trace data */ uint32_t trace_depth; /* number of cycles to be analyzed, 0 if no data available */ - etm_portmode_t portmode; /* normal, multiplexed or demultiplexed */ - etmv1_tracemode_t tracemode; /* type of info trace contains */ + uint32_t control; /* shadow of ETM_CTRL */ + uint32_t tracemode; /* type of info trace contains */ int /*arm_state*/ core_state; /* current core state */ struct image *image; /* source for target opcodes */ uint32_t pipe_index; /* current trace cycle */ |