Clean up SDK debug logging, fix getTPage()

1 files changed, 27 insertions, 0 deletions

diff --git a/libpsn00b/libc/_stubs.s b/libpsn00b/libc/_stubs.s
new file mode 100644
index 0000000..aa7bfbe
--- /dev/null
+++ b/libpsn00b/libc/_stubs.s
@@ -0,0 +1,27 @@
+# PSn00bSDK _start() trampoline and logging endpoint
+# (C) 2022 spicyjpeg - MPL licensed
+#
+# This file provides a weak function that can be easily overridden to e.g. set
+# $sp or perform additional initialization before the "real" _start() function
+# (_start_inner()) is called. The _sdk_log_inner() function called by other
+# libraries to log debug messages can also be overridden in a similar way.
+
+.set noreorder
+
+.section .text._start
+.global _start
+.type _start, @function
+.weak _start
+_start:
+	la $gp, _gp
+	j  _start_inner
+	nop
+
+.section .text._sdk_log_inner
+.global _sdk_log_inner
+.type _sdk_log_inner, @function
+.weak _sdk_log_inner
+_sdk_log_inner:
+	li $t2, 0xa0
+	jr $t2
+	li $t1, 0x3f