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m68kmmu: deduplicate code to set buserror details

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This commit is contained in:
Sven Schnelle 2018-10-20 20:19:56 +02:00
parent 031f507a17
commit 6e5965a939
1 changed files with 22 additions and 80 deletions
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102
src/devices/cpu/m68000/m68kmmu.h
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@ -102,6 +102,17 @@ uint32_t DECODE_EA_32(int ea)
return 0;
}
void pmmu_set_buserror(uint32_t addr_in)
{
if (++m_mmu_tmp_buserror_occurred == 1)
{
m_mmu_tmp_buserror_address = addr_in;
m_mmu_tmp_buserror_rw = m_mmu_tmp_rw;
m_mmu_tmp_buserror_fc = m_mmu_tmp_fc;
m_mmu_tmp_buserror_sz = m_mmu_tmp_sz;
}
}
/*
pmmu_atc_add: adds this address to the ATC
*/
@ -482,35 +493,11 @@ uint32_t pmmu_translate_addr_with_fc(uint32_t addr_in, uint8_t fc, uint8_t ptest
if (!ptest)
{
if (m_mmu_tmp_sr & M68K_MMU_SR_INVALID)
if ((m_mmu_tmp_sr & (M68K_MMU_SR_INVALID|M68K_MMU_SR_SUPERVISOR_ONLY)) ||
((m_mmu_tmp_sr & M68K_MMU_SR_WRITE_PROTECT) && !m_mmu_tmp_rw))
{
if (++m_mmu_tmp_buserror_occurred == 1)
{
m_mmu_tmp_buserror_address = addr_in;
m_mmu_tmp_buserror_rw = m_mmu_tmp_rw;
m_mmu_tmp_buserror_fc = m_mmu_tmp_fc;
m_mmu_tmp_buserror_sz = m_mmu_tmp_sz;
}
}
else if (m_mmu_tmp_sr & M68K_MMU_SR_SUPERVISOR_ONLY)
{
if (++m_mmu_tmp_buserror_occurred == 1)
{
m_mmu_tmp_buserror_address = addr_in;
m_mmu_tmp_buserror_rw = m_mmu_tmp_rw;
m_mmu_tmp_buserror_fc = m_mmu_tmp_fc;
m_mmu_tmp_buserror_sz = m_mmu_tmp_sz;
}
}
else if ((m_mmu_tmp_sr & M68K_MMU_SR_WRITE_PROTECT) && !m_mmu_tmp_rw)
{
if (++m_mmu_tmp_buserror_occurred == 1)
{
m_mmu_tmp_buserror_address = addr_in;
m_mmu_tmp_buserror_rw = m_mmu_tmp_rw;
m_mmu_tmp_buserror_fc = m_mmu_tmp_fc;
m_mmu_tmp_buserror_sz = m_mmu_tmp_sz;
}
pmmu_set_buserror(addr_in);
}
if (!m_mmu_tmp_buserror_occurred)
@ -566,13 +553,7 @@ uint32_t pmmu_translate_addr_with_fc_040(uint32_t addr_in, uint8_t fc, uint8_t p
// fprintf(stderr, "TT0 match on address %08x (TT0 = %08x, mask = %08x)\n", addr_in, tt0, mask);
if ((tt0 & 4) && !m_mmu_tmp_rw && !ptest) // write protect?
{
if (++m_mmu_tmp_buserror_occurred == 1)
{
m_mmu_tmp_buserror_address = addr_in;
m_mmu_tmp_buserror_rw = m_mmu_tmp_rw;
m_mmu_tmp_buserror_fc = m_mmu_tmp_fc;
m_mmu_tmp_buserror_sz = m_mmu_tmp_sz;
}
pmmu_set_buserror(addr_in);
}
return addr_in;
@ -592,13 +573,7 @@ uint32_t pmmu_translate_addr_with_fc_040(uint32_t addr_in, uint8_t fc, uint8_t p
// fprintf(stderr, "TT1 match on address %08x (TT0 = %08x, mask = %08x)\n", addr_in, tt1, mask);
if ((tt1 & 4) && !m_mmu_tmp_rw && !ptest) // write protect?
{
if (++m_mmu_tmp_buserror_occurred == 1)
{
m_mmu_tmp_buserror_address = addr_in;
m_mmu_tmp_buserror_rw = m_mmu_tmp_rw;
m_mmu_tmp_buserror_fc = m_mmu_tmp_fc;
m_mmu_tmp_buserror_sz = m_mmu_tmp_sz;
}
pmmu_set_buserror(addr_in);
}
return addr_in;
@ -663,14 +638,7 @@ uint32_t pmmu_translate_addr_with_fc_040(uint32_t addr_in, uint8_t fc, uint8_t p
// write protected by the root or pointer entries?
if ((((root_entry & 4) && !m_mmu_tmp_rw) || ((pointer_entry & 4) && !m_mmu_tmp_rw)) && !ptest)
{
if (++m_mmu_tmp_buserror_occurred == 1)
{
m_mmu_tmp_buserror_address = addr_in;
m_mmu_tmp_buserror_rw = m_mmu_tmp_rw;
m_mmu_tmp_buserror_fc = m_mmu_tmp_fc;
m_mmu_tmp_buserror_sz = m_mmu_tmp_sz;
}
pmmu_set_buserror(addr_in);
return addr_in;
}
@ -678,14 +646,7 @@ uint32_t pmmu_translate_addr_with_fc_040(uint32_t addr_in, uint8_t fc, uint8_t p
if (!(pointer_entry & 2) && !ptest)
{
// fprintf(stderr, "Invalid pointer entry! PC=%x, addr=%x\n", m_ppc, addr_in);
if (++m_mmu_tmp_buserror_occurred == 1)
{
m_mmu_tmp_buserror_address = addr_in;
m_mmu_tmp_buserror_rw = m_mmu_tmp_rw;
m_mmu_tmp_buserror_fc = m_mmu_tmp_fc;
m_mmu_tmp_buserror_sz = m_mmu_tmp_sz;
}
pmmu_set_buserror(addr_in);
return addr_in;
}
@ -697,13 +658,7 @@ uint32_t pmmu_translate_addr_with_fc_040(uint32_t addr_in, uint8_t fc, uint8_t p
if (!ptest)
{
if (++m_mmu_tmp_buserror_occurred == 1)
{
m_mmu_tmp_buserror_address = addr_in;
m_mmu_tmp_buserror_rw = m_mmu_tmp_rw;
m_mmu_tmp_buserror_fc = m_mmu_tmp_fc;
m_mmu_tmp_buserror_sz = m_mmu_tmp_sz;
}
pmmu_set_buserror(addr_in);
}
return addr_in;
@ -742,14 +697,7 @@ uint32_t pmmu_translate_addr_with_fc_040(uint32_t addr_in, uint8_t fc, uint8_t p
// is the page write protected or supervisor protected?
if ((((page_entry & 4) && !m_mmu_tmp_rw) || ((page_entry & 0x80) && !(fc&4))) && !ptest)
{
if (++m_mmu_tmp_buserror_occurred == 1)
{
m_mmu_tmp_buserror_address = addr_in;
m_mmu_tmp_buserror_rw = m_mmu_tmp_rw;
m_mmu_tmp_buserror_fc = m_mmu_tmp_fc;
m_mmu_tmp_buserror_sz = m_mmu_tmp_sz;
}
pmmu_set_buserror(addr_in);
return addr_in;
}
@ -759,13 +707,7 @@ uint32_t pmmu_translate_addr_with_fc_040(uint32_t addr_in, uint8_t fc, uint8_t p
// fprintf(stderr, "Invalid page entry! PC=%x, addr=%x\n", m_ppc, addr_in);
if (!ptest)
{
if (++m_mmu_tmp_buserror_occurred == 1)
{
m_mmu_tmp_buserror_address = addr_in;
m_mmu_tmp_buserror_rw = m_mmu_tmp_rw;
m_mmu_tmp_buserror_fc = m_mmu_tmp_fc;
m_mmu_tmp_buserror_sz = m_mmu_tmp_sz;
}
pmmu_set_buserror(addr_in);
}
return addr_in;