ppc: Add trace-events for DCR accesses

Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20211206103712.1866296-4-clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
qemu · Dec 17, 2021 · de82dab · de82dab
1 parent 26e8bed
commit de82dab
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diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c
@@ -1367,6 +1367,7 @@ int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, uint32_t *valp)
     if (dcr->dcr_read == NULL)
         goto error;
     *valp = (*dcr->dcr_read)(dcr->opaque, dcrn);
+    trace_ppc_dcr_read(dcrn, *valp);
 
     return 0;
 
@@ -1386,6 +1387,7 @@ int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, uint32_t val)
     dcr = &dcr_env->dcrn[dcrn];
     if (dcr->dcr_write == NULL)
         goto error;
+    trace_ppc_dcr_write(dcrn, val);
     (*dcr->dcr_write)(dcr->opaque, dcrn, val);
 
     return 0;

diff --git a/hw/ppc/trace-events b/hw/ppc/trace-events
@@ -119,6 +119,9 @@ ppc_irq_set_state(const char *name, uint32_t level) "\"%s\" level %d"
 ppc_irq_reset(const char *name) "%s"
 ppc_irq_cpu(const char *action) "%s"
 
+ppc_dcr_read(uint32_t addr, uint32_t val) "DRCN[0x%x] -> 0x%x"
+ppc_dcr_write(uint32_t addr, uint32_t val) "DRCN[0x%x] <- 0x%x"
+
 # prep_systemio.c
 prep_systemio_read(uint32_t addr, uint32_t val) "read addr=0x%x val=0x%x"
 prep_systemio_write(uint32_t addr, uint32_t val) "write addr=0x%x val=0x%x"