From: notaz <notasas@gmail.com>
Date: Mon, 29 Jul 2013 23:27:44 +0000 (+0300)
Subject: drc: svp: some missed r9 handling for apple
X-Git-Tag: v1.85~18
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=picodrive.git;a=commitdiff_plain;h=989ba52a01409e2d2967e17b2ecb2193cf85e88d

drc: svp: some missed r9 handling for apple
---

diff --git a/pico/carthw/svp/compiler.c b/pico/carthw/svp/compiler.c
index 0e616fd..b31197c 100644
--- a/pico/carthw/svp/compiler.c
+++ b/pico/carthw/svp/compiler.c
@@ -689,6 +689,18 @@ static int tr_aop_ssp2arm(int op)
 	return 0;
 }
 
+#ifdef __MACH__
+/* spacial version of call for calling C needed on ios, since we use r9.. */
+static void emith_call_c_func(void *target)
+{
+	EOP_STMFD_SP(A_R7M|A_R9M);
+	emith_call(target);
+	EOP_LDMFD_SP(A_R7M|A_R9M);
+}
+#else
+#define emith_call_c_func emith_call
+#endif
+
 // -----------------------------------------------------
 
 //@ r4:  XXYY
@@ -839,7 +851,7 @@ static void tr_PMX_to_r0(int reg)
 	tr_flush_dirty_ST();
 	//tr_flush_dirty_pmcrs();
 	tr_mov16(0, reg);
-	emith_call(ssp_pm_read);
+	emith_call_c_func(ssp_pm_read);
 	hostreg_clear();
 }
 
@@ -1080,7 +1092,7 @@ static void tr_r0_to_PMX(int reg)
 	tr_flush_dirty_ST();
 	//tr_flush_dirty_pmcrs();
 	tr_mov16(1, reg);
-	emith_call(ssp_pm_write);
+	emith_call_c_func(ssp_pm_write);
 	hostreg_clear();
 }