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| version 1.19, 2004/03/10 23:01:08 | version 1.24, 2005/03/12 12:32:54 |
|---|---|
| Line 12 | Line 12 |
| * 2. Redistributions in binary form must reproduce the above copyright | * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the | * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. | * documentation and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products | |
| * derived from this software without specific prior written permission. | |
| * | * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| Line 30 | Line 28 |
| #include "compiler.h" | #include "compiler.h" |
| #include "cpu.h" | #include "cpu.h" |
| #include "ia32.mcr" | #include "ia32.mcr" |
| #if defined(USE_FPU) | |
| #include "instructions/fpu/fp.h" | |
| #endif | |
| #include "pccore.h" | #include "pccore.h" |
| #include "iocore.h" | #include "iocore.h" |
| #include "dmap.h" | #include "dmax86.h" |
| #include "bios.h" | #include "bios.h" |
| #if defined(IA32_REBOOT_ON_PANIC) | #if defined(IA32_REBOOT_ON_PANIC) |
| #include "pccore.h" | #include "pccore.h" |
| Line 50 ia32_initreg(void) | Line 51 ia32_initreg(void) |
| CPU_EDX = (CPU_FAMILY << 8) | (CPU_MODEL << 4) | CPU_STEPPING; | CPU_EDX = (CPU_FAMILY << 8) | (CPU_MODEL << 4) | CPU_STEPPING; |
| CPU_EFLAG = 2; | CPU_EFLAG = 2; |
| CPU_CR0 = CPU_CR0_CD | CPU_CR0_NW | CPU_CR0_ET; | CPU_CR0 = CPU_CR0_CD | CPU_CR0_NW | CPU_CR0_ET; |
| #ifndef USE_FPU | #if defined(USE_FPU) |
| CPU_CR0 |= CPU_CR0_EM | CPU_CR0_NE; | CPU_CR0 |= CPU_CR0_EM | CPU_CR0_NE; |
| CPU_CR0 &= ~CPU_CR0_MP; | CPU_CR0 &= ~CPU_CR0_MP; |
| #else | |
| CPU_CR0 |= CPU_CR0_ET; | |
| #endif | #endif |
| CPU_MXCSR = 0x1f80; | CPU_MXCSR = 0x1f80; |
| CPU_GDTR_LIMIT = 0xffff; | CPU_GDTR_LIMIT = 0xffff; |
| Line 76 ia32_initreg(void) | Line 79 ia32_initreg(void) |
| CPU_ADRSMASK = 0x000fffff; | CPU_ADRSMASK = 0x000fffff; |
| tlb_init(); | tlb_init(); |
| #if defined(USE_FPU) | |
| fpu_init(); | |
| #endif | |
| } | } |
| void | void |
| Line 95 ia32shut(void) | Line 101 ia32shut(void) |
| } | } |
| void | void |
| ia32a20enable(BOOL enable) | |
| { | |
| #if (CPU_FAMILY == 3) | |
| CPU_ADRSMASK = (enable)?0x00ffffff:0x00ffffff; | |
| #else | |
| CPU_ADRSMASK = (enable)?0xffffffff:0x00ffffff; | |
| #endif | |
| } | |
| void | |
| ia32(void) | ia32(void) |
| { | { |
| int rv; | int rv; |
| Line 121 ia32(void) | Line 137 ia32(void) |
| do { | do { |
| exec_1step(); | exec_1step(); |
| if (dmac.working) { | if (dmac.working) { |
| dmap(); | dmax86(); |
| } | } |
| } while (CPU_REMCLOCK > 0); | } while (CPU_REMCLOCK > 0); |
| #else | #else |
| Line 132 ia32(void) | Line 148 ia32(void) |
| CPU_DR6 |= CPU_DR6_BS; | CPU_DR6 |= CPU_DR6_BS; |
| INTERRUPT(1, TRUE, FALSE, 0); | INTERRUPT(1, TRUE, FALSE, 0); |
| } | } |
| dmap(); | dmax86(); |
| } while (CPU_REMCLOCK > 0); | } while (CPU_REMCLOCK > 0); |
| } else if (dmac.working) { | } else if (dmac.working) { |
| do { | do { |
| exec_1step(); | exec_1step(); |
| dmap(); | dmax86(); |
| } while (CPU_REMCLOCK > 0); | } while (CPU_REMCLOCK > 0); |
| } else { | } else { |
| do { | do { |
| Line 179 ia32_step(void) | Line 195 ia32_step(void) |
| } | } |
| #endif | #endif |
| if (dmac.working) { | if (dmac.working) { |
| dmap(); | dmax86(); |
| } | } |
| } while (CPU_REMCLOCK > 0); | } while (CPU_REMCLOCK > 0); |
| } | } |
| Line 271 ia32_bioscall(void) | Line 287 ia32_bioscall(void) |
| adrs = (CPU_EIP - 1) + CPU_STAT_CS_BASE; | adrs = (CPU_EIP - 1) + CPU_STAT_CS_BASE; |
| #endif | #endif |
| if ((adrs >= 0xf8000) && (adrs < 0x100000)) { | if ((adrs >= 0xf8000) && (adrs < 0x100000)) { |
| biosfunc(adrs); | if (biosfunc(adrs)) { |
| CPU_PREFETCH_CLEAR(); | |
| } | |
| if (!CPU_STAT_PM || CPU_STAT_VM86) { | if (!CPU_STAT_PM || CPU_STAT_VM86) { |
| CPU_SET_SEGREG(CPU_ES_INDEX, CPU_ES); | CPU_SET_SEGREG(CPU_ES_INDEX, CPU_ES); |
| CPU_SET_SEGREG(CPU_CS_INDEX, CPU_CS); | CPU_SET_SEGREG(CPU_CS_INDEX, CPU_CS); |