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sh2: add serial bits

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This commit is contained in:
Zack Buhman 2024-09-19 15:38:11 -05:00
parent 99a3e94afd
commit 44b7d6c543
2 changed files with 46 additions and 2 deletions
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42
sh2.h
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@ -110,6 +110,48 @@ extern struct sh2 sh2 __asm("sh2");
extern reg32 sh2_vec[0xff] __asm("sh2_vec");
enum smr_bits {
SMR__CA__ASYNCHRONOUS_MODE = (0 << 7),
SMR__CA__CLOCKED_SYNCHRONOUS_MODE = (1 << 7),
SMR__CHR__EIGHT_BIT_DATA = (0 << 6),
SMR__CHR__SEVEN_BIT_DATA = (1 << 6),
SMR__PE__PARITY_BIT_NOT_ADDED_OR_CHECKED = (0 << 5),
SMR__PE__PARITY_BIT_ADDED_AND_CHECKED = (1 << 5),
SMR__OE__EVEN_PARITY = (0 << 4),
SMR__OE__ODD_PARITY = (1 << 4),
SMR__STOP__ONE_STOP_BIT = (0 << 3),
SMR__STOP__TWO_STOP_BITS = (1 << 3),
SMR__MP__DISABLED = (0 << 2),
SMR__MP__ENABLED = (1 << 2),
SMR__CKS__PHI_4 = (0b00 << 0),
SMR__CKS__PHI_16 = (0b01 << 0),
SMR__CKS__PHI_64 = (0b10 << 0),
SMR__CKS__PHI_256 = (0b11 << 0)
};
enum scr_bits {
SCR__TIE__TRANSMITTER_INTERRUPT_ENABLE = (1 << 7),
SCR__RIE__RECEIVE_INTERRUPT_ENABLE = (1 << 6),
SCR__TE__TRANSMITTER_ENABLE = (1 << 5),
SCR__RE__RECEIVER_ENABLE = (1 << 4),
SCR__MPIE__MULTIPROCESSOR_INTERRUPT_ENABLE = (1 << 3),
SCR__TEIE__TRANSMIT_END_INTERRUPT_ENABLE = (1 << 2),
SCR__CKE__INTERNAL_CLOCK__SCK_INPUT = (0b00 << 0),
SCR__CKE__INTERNAL_CLOCK__SCK_OUTPUT = (0b01 << 0),
SCR__CKE__EXTERNAL_CLOCK__SCK_INPUT = (0b10 << 0),
};
enum ssr_bits {
SSR__TDRE = (1 << 7),
SSR__RDRF = (1 << 6),
SSR__ORER = (1 << 5),
SSR__FER = (1 << 4),
SSR__PER = (1 << 3),
SSR__TEND = (1 << 2),
SSR__MPB = (1 << 1),
SSR__MPBT = (1 << 0),
};
enum tier_bits {
TIER__ICIE = (1 << 7),
TIER__OCIAE = (1 << 3),

6
sh2.lds
View File

@ -44,7 +44,9 @@ SECTIONS
{
*(.bss.work_ram_l)
} > work_ram_l
INCLUDE "saturn/debug.lds"
}
INCLUDE "symbols.lds"
INCLUDE "addresses.lds"
INCLUDE "saturn/symbols.lds"
INCLUDE "saturn/addresses.lds"