diff options
| author | Karl Palsson <karlp@etactica.com> | 2021-09-15 16:18:54 +0200 |
|---|---|---|
| committer | Vegard Storheil Eriksen <zyp@jvnv.net> | 2021-09-16 20:29:55 +0200 |
| commit | 17e2631f49b799121c1dcfdf3e89e8d6a4928a42 (patch) | |
| tree | 60ff0ce1d3da054ff2e84857d4ed6b359642b57f /cortex_m | |
| parent | c394c461c5494025934b4fda4231ee0c02b21d4d (diff) | |
cortex_m: debug: basic ITM/DWT/TPIU stubs.
Sourced from zyp on irc. Maybe not the best or most permanent name, but
saves dropping it into every project.
Signed-off-by: Karl Palsson <karlp@etactica.com>
Diffstat (limited to 'cortex_m')
| -rw-r--r-- | cortex_m/debug.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/cortex_m/debug.h b/cortex_m/debug.h new file mode 100644 index 0000000..c1b63f6 --- /dev/null +++ b/cortex_m/debug.h @@ -0,0 +1,41 @@ +#pragma once + +#include <stdint.h> + +#include <mmio/mmio.h> + +struct ITM_reg_t { + volatile uint32_t STIM[256]; + uint32_t _reserved[640]; + volatile uint32_t TER[8]; + uint32_t _reserved2[8]; + volatile uint32_t TPR; + uint32_t _reserved3[15]; + volatile uint32_t TCR; + uint32_t _reserved4[76]; + volatile uint32_t LSR; +}; + +struct DWT_reg_t { + volatile uint32_t CTRL; + volatile uint32_t CYCCNT; + volatile uint32_t CPICNT; + volatile uint32_t EXCCNT; + volatile uint32_t SLEEPCNT; + volatile uint32_t LSUCNT; + volatile uint32_t FOLDCNT; + volatile uint32_t PCSR; +}; + +struct TPIU_reg_t { + volatile uint32_t SSPSR; + volatile uint32_t CSPSR; + uint32_t _reserved[2]; + volatile uint32_t ACPR; + uint32_t _reserved2[55]; + volatile uint32_t SPPR; +}; + +constexpr mmio_ptr<ITM_reg_t> ITM {0xe0000000}; +constexpr mmio_ptr<DWT_reg_t> DWT {0xe0001000}; +constexpr mmio_ptr<TPIU_reg_t> TPIU {0xe0040000};
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