Changeset 7b213f2 in mainline for kernel/arch/mips32/src/start.S

Timestamp:

2010-07-22T14:03:56Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

ce890ec9

Parents:

0a447ab

Message:

Rearrange mips32 istate_t to contain all registers and in a format suitable for syscalls / parameter passing. (Breaks mips32)

File:

• kernel/arch/mips32/src/start.S (modified) (2 diffs)

kernel/arch/mips32/src/start.S

@@ -50 +50 @@
  */
 #define REG_SAVE_MASK 0x1f
+
+#define ISTATE_OFFSET_A0        0
+#define ISTATE_OFFSET_A1        4
+#define ISTATE_OFFSET_A2        8
+#define ISTATE_OFFSET_A3        12
+#define ISTATE_OFFSET_T0        16
+#define ISTATE_OFFSET_T1        20
+#define ISTATE_OFFSET_V0        24
+#define ISTATE_OFFSET_V1        28
+#define ISTATE_OFFSET_AT        32
+#define ISTATE_OFFSET_T2        36
+#define ISTATE_OFFSET_T3        40
+#define ISTATE_OFFSET_T4        44
+#define ISTATE_OFFSET_T5        48
+#define ISTATE_OFFSET_T6        52
+#define ISTATE_OFFSET_T7        56
+#define ISTATE_OFFSET_S0        60
+#define ISTATE_OFFSET_S1        64
+#define ISTATE_OFFSET_S2        68
+#define ISTATE_OFFSET_S3        72
+#define ISTATE_OFFSET_S4        76
+#define ISTATE_OFFSET_S5        80
+#define ISTATE_OFFSET_S6        84
+#define ISTATE_OFFSET_S7        88
+#define ISTATE_OFFSET_T8        92
+#define ISTATE_OFFSET_T9        96
+#define ISTATE_OFFSET_KT0       100
+#define ISTATE_OFFSET_KT1       104
+#define ISTATE_OFFSET_GP        108
+#define ISTATE_OFFSET_SP        112
+#define ISTATE_OFFSET_S8        116
+#define ISTATE_OFFSET_RA        120
+#define ISTATE_OFFSET_LO        124
+#define ISTATE_OFFSET_HI        128
+#define ISTATE_OFFSET_STATUS    132
+#define ISTATE_OFFSET_EPC       136
+#define ISTATE_OFFSET_ALIGNMENT 140
+
+#define ISTATE_SOFT_SIZE        144
 
 /*
@@ -205 +244 @@
         KERNEL_STACK_TO_K0
         
-        sub $k0, REGISTER_SPACE
-        sw $sp, EOFFSET_SP($k0)
+        sub $k0, ISTATE_SOFT_SIZE
+        sw $sp, ISTATE_OFFSET_SP($k0)
         move $sp, $k0