[MIPS] Implementation of sel_ldr for MIPS architecture.

src/trusted/service_runtime/nacl_config.h

 /*
  * Copyright (c) 2012 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /*
  * NaCl Simple/secure ELF loader (NaCl SEL).
  *
  * NOTE: This header is ALSO included by assembler files and hence
@@ skipping 234 matching lines @@
 # define NACL_STACK_GETS_ARG      (0)
 # define NACL_STACK_PAD_BELOW_ALIGN (0)
 # define NACL_STACK_RED_ZONE      (0)
 
 /*
  * NOTE: Used by various assembler files, needs to be
  *       synchronized with NaClThreadContext
  */
 # define NACL_CALLEE_SAVE_LIST {r4, r5, r6, r7, r8, r9, r10, fp, sp}
 
+#elif NACL_ARCH(NACL_BUILD_ARCH) == NACL_mips
+
+#undef  NACL_KERN_STACK_SIZE        // Mips needs 128k pthread stack size
+#define NACL_KERN_STACK_SIZE        (128 << 10)
+
+#define NACL_BLOCK_SHIFT            4
+
+/* 16-byte bundles, 256MB code segment*/
+# define NACL_CONTROL_FLOW_MASK     (NACL_DATA_SEGMENT_START -1) & ~0xf;
+# define NACL_DATA_FLOW_MASK        (1U * (1 << NACL_MAX_ADDR_BITS) -1);

[Mark Seaborn, 2012/09/18 03:24:34]

Nit: put spaces around '-' operator

+# define NACL_USERRET_FIX           (0x4)
+# define NACL_SYSARGS_FIX           (NACL_USERRET_FIX + 0x4)
+# define NACL_SYSCALLRET_FIX        (NACL_USERRET_FIX + 0x4)
+# define NACL_STACK_ALIGN_MASK      (0x7)
+# define NACL_STACK_GETS_ARG        (0)
+# define NACL_STACK_PAD_BELOW_ALIGN (0)
+# define NACL_STACK_RED_ZONE      (0)
+/* 16 byte bundles */
+# define  NACL_MIPS_BUNDLE_SIZE_LOG  4

[Mark Seaborn, 2012/09/18 03:24:34]

You don't use this #define, so you can remove it

[petarj, 2012/09/19 17:27:51]

Done.

+
+# define NACL_CALLEE_SAVE_LIST {t0, t1, t2, t3, t4, t5, t6, t7, s0, s1, s2, \

[Mark Seaborn, 2012/09/18 03:24:34]

You don't use this as a macro (unlike ARM code), so I'd suggest not #defining
this

[petarj, 2012/09/19 17:27:51]

Done.

+                                s3, s4, s5, s6, s7, t8, t9, gp, sp, fp}
+
 #else /* NACL_ARCH(NACL_BUILD_ARCH) */
 
 # error Unknown platform!
 
 #endif /* NACL_ARCH(NACL_BUILD_ARCH) */
 
 
 #endif  /* NATIVE_CLIENT_SRC_TRUSTED_SERVICE_RUNTIME_NACL_CONFIG_H_ */