X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/6be108db01439d3463342689446e457a315d6705..6b995c8cb722d10aaacba52999f5c43e43daeb85:/lunaix-os/arch/aarch64/trace.c?ds=sidebyside

diff --git a/lunaix-os/arch/aarch64/trace.c b/lunaix-os/arch/aarch64/trace.c
new file mode 100644
index 0000000..1930003
--- /dev/null
+++ b/lunaix-os/arch/aarch64/trace.c
@@ -0,0 +1,76 @@
+#include <lunaix/trace.h>
+#include <asm/aa64_exception.h>
+#include <sys-generic/trace_arch.h>
+
+static inline char*
+__type_name(reg_t syndrome)
+{
+    switch (hart_vector_stamp(syndrome))
+    {
+    case EXCEPTION_SYNC:
+        return "sync";
+    case EXCEPTION_IRQ:
+        return "async (irq)";
+    case EXCEPTION_FIQ:
+        return "async (fiq)";
+    case EXCEPTION_SERR:
+        return "async (serr)";
+    }
+
+    return "unknwon";
+}
+
+void
+trace_print_transistion_short(struct hart_state* hstate)
+{
+    struct exec_param* execp;
+    reg_t syndrome;
+    
+    execp = &hstate->execp;
+    syndrome = execp->syndrome;
+
+    trace_log("%s from EL%d: ec=%04x, iss=%08lx, il=%d", 
+                __type_name(syndrome), !spsr_from_el0(execp->syndrome),
+                esr_ec(syndrome), esr_iss(syndrome), esr_inst32(syndrome));
+}
+
+void
+trace_print_transition_full(struct hart_state* hstate)
+{
+    struct exec_param* execp;
+    reg_t syndrome;
+    
+    execp = &hstate->execp;
+    syndrome = execp->syndrome;
+
+    trace_log("exception %s from EL%d", 
+                __type_name(syndrome), !spsr_from_el0(execp->syndrome));
+    trace_log("  ec=0x%08lx, iss=0x%08lx, il=%d",
+                esr_ec(syndrome), esr_iss(syndrome), esr_inst32(syndrome));
+    trace_log("  esr=0x%016lx,  spsr=0x%016lx",
+                syndrome, execp->spsr);
+    trace_log("  sp_el0=0x%016lx,  sp_el1=0x%016lx",
+                execp->sp_el0, execp->sp_el1);
+    trace_log("  pc=0x%016lx", execp->link);
+}
+
+void
+trace_dump_state(struct hart_state* hstate)
+{
+    struct regcontext* r;
+    
+    r = &hstate->registers;
+
+    trace_log("hart state dump (depth=%d)", hstate->depth);
+
+    for (int i = 0; i < 30; i+=3)
+    {
+        trace_log("  x%02d=0x%016lx   x%02d=0x%016lx   x%02d=0x%016lx",
+                    i, r->x[i], 
+                    i + 1, r->x[i + 1], 
+                    i + 2, r->x[i + 2]);
+    }
+    
+    trace_log("  x30=0x%016lx   x31=0x%016lx (sp)",
+                r->x[30],   hart_sp(hstate));
+}
\ No newline at end of file