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emummc: fix for svcQueryIoMapping abi change

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This commit is contained in:
Michael Scire 2020-04-14 11:15:19 -07:00
parent 6fe8ada37a
commit c07f54f370
8 changed files with 37 additions and 8 deletions
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12
emummc/source/nx/svc.h
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@ -50,8 +50,18 @@ extern "C" {
* @return Result code.
* @note Syscall number 0x55.
* @warning This is a privileged syscall. Use \ref envIsSyscallHinted to check if it is available.
* @warning Only exists on [10.0.0+]. For older versions use \ref svcLegacyQueryIoMapping.
*/
Result svcQueryIoMapping(u64* virtaddr, u64 physaddr, u64 size);
Result svcQueryIoMapping(u64* virtaddr, u64* out_size, u64 physaddr, u64 size);
/**
* @brief Returns a virtual address mapped to a given IO range.
* @return Result code.
* @note Syscall number 0x55.
* @warning This is a privileged syscall. Use \ref envIsSyscallHinted to check if it is available.
* @warning Only exists on [1.0.0-9.2.0]. For newer versions use \ref svcQueryIoMapping.
*/
Result svcLegacyQueryIoMapping(u64* virtaddr, u64 physaddr, u64 size);
/**
* @brief Attaches a device address space to a device.

9
emummc/source/nx/svc.s
View file

@ -17,6 +17,15 @@
.endm
SVC_BEGIN svcQueryIoMapping
STP X0, X1, [SP, #-16]!
SVC 0x55
LDP X3, X4, [SP], #16
STR X1, [X3]
STR X2, [X4]
RET
SVC_END
SVC_BEGIN svcLegacyQueryIoMapping
STR X0, [SP, #-16]!
SVC 0x55
LDR X2, [SP], #16