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hw/timer/sse-counter: Model the SSE Subsystem System Counter

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The SSE-300 includes a counter module; implement a model of it.

This counter is documented in the SSE-123 Example Subsystem
Technical Reference Manual:
 https://developer.arm.com/documentation/101370/latest/

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210219144617.4782-12-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-02-19 14:45:44 +00:00
parent 446587a914
commit 0d10df3038
7 changed files with 593 additions and 0 deletions
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7
hw/timer/trace-events
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@ -93,3 +93,10 @@ avr_timer16_interrupt_count(uint8_t cnt) "count: %u"
avr_timer16_interrupt_overflow(const char *reason) "overflow: %s"
avr_timer16_next_alarm(uint64_t delay_ns) "next alarm: %" PRIu64 " ns from now"
avr_timer16_clksrc_update(uint64_t freq_hz, uint64_t period_ns, uint64_t delay_s) "timer frequency: %" PRIu64 " Hz, period: %" PRIu64 " ns (%" PRId64 " us)"
# sse_counter.c
sse_counter_control_read(uint64_t offset, uint64_t data, unsigned size) "SSE system counter control frame read: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %u"
sse_counter_control_write(uint64_t offset, uint64_t data, unsigned size) "SSE system counter control framen write: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %u"
sse_counter_status_read(uint64_t offset, uint64_t data, unsigned size) "SSE system counter status frame read: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %u"
sse_counter_status_write(uint64_t offset, uint64_t data, unsigned size) "SSE system counter status frame write: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %u"
sse_counter_reset(void) "SSE system counter: reset"