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Added LEON MMU ASI mappings and corrected LEON3 MMU masks.

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This patch adds SPARC ASI mappings that are used by the LEON processor.It also
corrects the MMU context register and context table pointer mask of the LEON3.

Signed-off-by: Ronald Hecht <ronald.hecht@gmx.de>
Signed-off-by: Fabien Chouteau <chouteau@adacore.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Ronald Hecht 2013-02-19 12:45:06 +01:00 committed by Blue Swirl
parent 99e448006d
commit 7a0a9c2c64
2 changed files with 8 additions and 2 deletions
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4
target-sparc/cpu.c
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@ -580,8 +580,8 @@ static const sparc_def_t sparc_defs[] = {
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
.mmu_version = 0xf3000000,
.mmu_bm = 0x00000000,
.mmu_ctpr_mask = 0x007ffff0,
.mmu_cxr_mask = 0x0000003f,
.mmu_ctpr_mask = 0xfffffffc,
.mmu_cxr_mask = 0x000000ff,
.mmu_sfsr_mask = 0xffffffff,
.mmu_trcr_mask = 0xffffffff,
.nwindows = 8,

6
target-sparc/ldst_helper.c
View File

@ -514,6 +514,7 @@ uint64_t helper_ld_asi(CPUSPARCState *env, target_ulong addr, int asi, int size,
#endif
break;
case 3: /* MMU probe */
case 0x18: /* LEON3 MMU probe */
{
int mmulev;
@ -528,6 +529,7 @@ uint64_t helper_ld_asi(CPUSPARCState *env, target_ulong addr, int asi, int size,
}
break;
case 4: /* read MMU regs */
case 0x19: /* LEON3 read MMU regs */
{
int reg = (addr >> 8) & 0x1f;
@ -603,6 +605,7 @@ uint64_t helper_ld_asi(CPUSPARCState *env, target_ulong addr, int asi, int size,
case 0xf: /* D-cache data */
break;
case 0x20: /* MMU passthrough */
case 0x1c: /* LEON MMU passthrough */
switch (size) {
case 1:
ret = ldub_phys(addr);
@ -844,6 +847,7 @@ void helper_st_asi(CPUSPARCState *env, target_ulong addr, uint64_t val, int asi,
#endif
break;
case 3: /* MMU flush */
case 0x18: /* LEON3 MMU flush */
{
int mmulev;
@ -868,6 +872,7 @@ void helper_st_asi(CPUSPARCState *env, target_ulong addr, uint64_t val, int asi,
}
break;
case 4: /* write MMU regs */
case 0x19: /* LEON3 write MMU regs */
{
int reg = (addr >> 8) & 0x1f;
uint32_t oldreg;
@ -996,6 +1001,7 @@ void helper_st_asi(CPUSPARCState *env, target_ulong addr, uint64_t val, int asi,
}
break;
case 0x20: /* MMU passthrough */
case 0x1c: /* LEON MMU passthrough */
{
switch (size) {
case 1: