From d5cffad757d05610d796476603aaff266e6c8f50 Mon Sep 17 00:00:00 2001
From: Jacob Potter <jdpotter@andrew.cmu.edu>
Date: Thu, 25 Sep 2008 23:29:38 -0400
Subject: [PATCH] add dump-buffer command

---
 aseg/counter.c        |  7 ++++++-
 aseg/vga-overlay.c    |  6 +++++-
 include/vga-overlay.h |  2 ++
 tools/poke-rls.c      | 10 +++++++++-
 4 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/aseg/counter.c b/aseg/counter.c
index 7b34f3a..6ef4cf9 100644
--- a/aseg/counter.c
+++ b/aseg/counter.c
@@ -81,7 +81,12 @@ void gbl_rls_handler(smi_event_t ev)
 
 	dologf("Got packet: type %08x", packet->type);
 
-	*(unsigned long*)0xAFFD4 = 0x2BADD00D;
+	if (packet->type == 42) {
+		dump_log((char *)packet->data);
+		*(unsigned long*)0xAFFD4 = 42;
+	} else {
+		*(unsigned long*)0xAFFD4 = 0x2BADD00D;
+	}
 }
 
 void smi_entry(void)
diff --git a/aseg/vga-overlay.c b/aseg/vga-overlay.c
index ca0e8a5..7aa8b41 100644
--- a/aseg/vga-overlay.c
+++ b/aseg/vga-overlay.c
@@ -35,7 +35,7 @@ void strblit(char *src, int row, int col)
 	smram_state_t old_state = smram_save_state();
 
 	smram_aseg_set_state(SMRAM_ASEG_SMMCODE);
-	
+
 	while (*src)
 	{
 		*(destp++) = *(src++);
@@ -84,3 +84,7 @@ void dologf(const char *fmt, ...)
 	va_end(va);
 }
 void (*outputf)(const char *s, ...) = dologf;
+
+void dump_log (char * target) {
+	memcpy(target, logents, sizeof(logents));
+}
diff --git a/include/vga-overlay.h b/include/vga-overlay.h
index 890f353..f338d49 100644
--- a/include/vga-overlay.h
+++ b/include/vga-overlay.h
@@ -7,4 +7,6 @@ void dolog(char *s);
 void dologf(char *s, ...);
 void outlog();
 
+void dump_log(char *buffer);
+
 #endif
diff --git a/tools/poke-rls.c b/tools/poke-rls.c
index 6946fb7..03c4fb1 100644
--- a/tools/poke-rls.c
+++ b/tools/poke-rls.c
@@ -28,7 +28,8 @@ int main(int argc, char **argv)
 	packet_t * packet = (packet_t *)memalign(4096, sizeof(packet_t));
 
 	packet->signature = 0x1BADD00D;
-	packet->type = 0xF00FC7C8;
+	packet->type = 42;
+	strcpy(packet->data, "hello, world!");
 
 	if (iopl(3) < 0)
 	{
@@ -38,4 +39,11 @@ int main(int argc, char **argv)
 	
 	res = poke(_get_PMBASE() + 0x04, (void *)packet);
 	printf("returned %p\n", res);
+
+	if (res == 42) {
+		printf("%s\n", packet->data);
+		printf("%s\n", packet->data+41);
+		printf("%s\n", packet->data+82);
+		printf("%s\n", packet->data+123);
+	}
 }
-- 
2.43.0