提交 c5d6edc3 编写于 作者: B bellard

mips config fixes (initial patch by Stefan Weil)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1977 c046a42c-6fe2-441c-8c8c-71466251a162
上级 52ca8d6a
...@@ -3,9 +3,9 @@ ...@@ -3,9 +3,9 @@
#define TARGET_HAS_ICE 1 #define TARGET_HAS_ICE 1
#include "config.h"
#include "mips-defs.h" #include "mips-defs.h"
#include "cpu-defs.h" #include "cpu-defs.h"
#include "config.h"
#include "softfloat.h" #include "softfloat.h"
typedef union fpr_t fpr_t; typedef union fpr_t fpr_t;
......
...@@ -6,10 +6,8 @@ ...@@ -6,10 +6,8 @@
/* If we want to use host float regs... */ /* If we want to use host float regs... */
//#define USE_HOST_FLOAT_REGS //#define USE_HOST_FLOAT_REGS
enum { #define MIPS_R4Kc 0x00018000
MIPS_R4Kc = 0x00018000, #define MIPS_R4Kp 0x00018300
MIPS_R4Kp = 0x00018300,
};
/* Emulate MIPS R4Kc for now */ /* Emulate MIPS R4Kc for now */
#define MIPS_CPU MIPS_R4Kc #define MIPS_CPU MIPS_R4Kc
...@@ -19,7 +17,7 @@ enum { ...@@ -19,7 +17,7 @@ enum {
#define TARGET_LONG_BITS 32 #define TARGET_LONG_BITS 32
/* real pages are variable size... */ /* real pages are variable size... */
#define TARGET_PAGE_BITS 12 #define TARGET_PAGE_BITS 12
/* Uses MIPS R4Kx ehancements to MIPS32 architecture */ /* Uses MIPS R4Kx enhancements to MIPS32 architecture */
#define MIPS_USES_R4K_EXT #define MIPS_USES_R4K_EXT
/* Uses MIPS R4Kc TLB model */ /* Uses MIPS R4Kc TLB model */
#define MIPS_USES_R4K_TLB #define MIPS_USES_R4K_TLB
...@@ -30,10 +28,15 @@ enum { ...@@ -30,10 +28,15 @@ enum {
* Define a major version 1, minor version 0. * Define a major version 1, minor version 0.
*/ */
#define MIPS_FCR0 ((0 << 16) | (1 << 8) | (1 << 4) | 0) #define MIPS_FCR0 ((0 << 16) | (1 << 8) | (1 << 4) | 0)
/* Have config1, runs in big-endian mode, uses TLB */ /* Have config1, uses TLB */
#define MIPS_CONFIG0 \ #define MIPS_CONFIG0_1 \
((1 << CP0C0_M) | (0x000 << CP0C0_K23) | (0x000 << CP0C0_KU) | \ ((1 << CP0C0_M) | (0 << CP0C0_K23) | (0 << CP0C0_KU) | \
(1 << CP0C0_BE) | (0x001 << CP0C0_MT) | (0x010 << CP0C0_K0)) (1 << CP0C0_MT) | (2 << CP0C0_K0))
#ifdef TARGET_WORDS_BIGENDIAN
#define MIPS_CONFIG0 (MIPS_CONFIG0_1 | (1 << CP0C0_BE))
#else
#define MIPS_CONFIG0 MIPS_CONFIG0_1
#endif
/* 16 TLBs, 64 sets Icache, 16 bytes Icache line, 2-way Icache, /* 16 TLBs, 64 sets Icache, 16 bytes Icache line, 2-way Icache,
* 64 sets Dcache, 16 bytes Dcache line, 2-way Dcache, * 64 sets Dcache, 16 bytes Dcache line, 2-way Dcache,
* no performance counters, watch registers present, no code compression, * no performance counters, watch registers present, no code compression,
...@@ -45,12 +48,12 @@ enum { ...@@ -45,12 +48,12 @@ enum {
(0x000 << CP0C1_DS) | (0x3 << CP0C1_DL) | (0x01 << CP0C1_DA) | \ (0x000 << CP0C1_DS) | (0x3 << CP0C1_DL) | (0x01 << CP0C1_DA) | \
(0 << CP0C1_PC) | (1 << CP0C1_WR) | (0 << CP0C1_CA) | \ (0 << CP0C1_PC) | (1 << CP0C1_WR) | (0 << CP0C1_CA) | \
(1 << CP0C1_EP) | (MIPS_USES_FPU << CP0C1_FP)) (1 << CP0C1_EP) | (MIPS_USES_FPU << CP0C1_FP))
#elif defined (MIPS_CPU == MIPS_R4Kp) #elif (MIPS_CPU == MIPS_R4Kp)
/* 32 bits target */ /* 32 bits target */
#define TARGET_LONG_BITS 32 #define TARGET_LONG_BITS 32
/* real pages are variable size... */ /* real pages are variable size... */
#define TARGET_PAGE_BITS 12 #define TARGET_PAGE_BITS 12
/* Uses MIPS R4Kx ehancements to MIPS32 architecture */ /* Uses MIPS R4Kx enhancements to MIPS32 architecture */
#define MIPS_USES_R4K_EXT #define MIPS_USES_R4K_EXT
/* Uses MIPS R4Km FPM MMU model */ /* Uses MIPS R4Km FPM MMU model */
#define MIPS_USES_R4K_FPM #define MIPS_USES_R4K_FPM
......
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